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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2013-05-01 15:47:44 (GMT)
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2013-05-01 15:47:44 (GMT)
commitbf61c8840efe60fd8f91446860b63338fb424158 (patch)
tree7a71832407a4f0d6346db773343f4c3ae2257b19 /drivers/crypto
parent5846115b30f3a881e542c8bfde59a699c1c13740 (diff)
parent0c6a61657da78098472fd0eb71cc01f2387fa1bb (diff)
downloadlinux-fsl-qoriq-bf61c8840efe60fd8f91446860b63338fb424158.tar.xz
Merge branch 'next' into for-linus
Prepare first set of updates for 3.10 merge window.
Diffstat (limited to 'drivers/crypto')
-rw-r--r--drivers/crypto/Kconfig3
-rw-r--r--drivers/crypto/atmel-aes.c8
-rw-r--r--drivers/crypto/atmel-sha.c6
-rw-r--r--drivers/crypto/atmel-tdes.c6
-rw-r--r--drivers/crypto/bfin_crc.c12
-rw-r--r--drivers/crypto/caam/ctrl.c2
-rw-r--r--drivers/crypto/geode-aes.c8
-rw-r--r--drivers/crypto/hifn_795x.c6
-rw-r--r--drivers/crypto/ixp4xx_crypto.c12
-rw-r--r--drivers/crypto/mv_cesa.c2
-rw-r--r--drivers/crypto/n2_core.c46
-rw-r--r--drivers/crypto/nx/nx-842.c20
-rw-r--r--drivers/crypto/nx/nx.c8
-rw-r--r--drivers/crypto/omap-aes.c664
-rw-r--r--drivers/crypto/omap-sham.c927
-rw-r--r--drivers/crypto/picoxcell_crypto.c7
-rw-r--r--drivers/crypto/s5p-sss.c6
-rw-r--r--drivers/crypto/talitos.c3
-rw-r--r--drivers/crypto/tegra-aes.c18
-rw-r--r--drivers/crypto/ux500/cryp/cryp_core.c3
20 files changed, 1291 insertions, 476 deletions
diff --git a/drivers/crypto/Kconfig b/drivers/crypto/Kconfig
index 308c7fb..87ec4d0 100644
--- a/drivers/crypto/Kconfig
+++ b/drivers/crypto/Kconfig
@@ -224,7 +224,7 @@ config CRYPTO_DEV_TALITOS
config CRYPTO_DEV_IXP4XX
tristate "Driver for IXP4xx crypto hardware acceleration"
- depends on ARCH_IXP4XX
+ depends on ARCH_IXP4XX && IXP4XX_QMGR && IXP4XX_NPE
select CRYPTO_DES
select CRYPTO_ALGAPI
select CRYPTO_AUTHENC
@@ -254,6 +254,7 @@ config CRYPTO_DEV_OMAP_AES
tristate "Support for OMAP AES hw engine"
depends on ARCH_OMAP2 || ARCH_OMAP3
select CRYPTO_AES
+ select CRYPTO_BLKCIPHER2
help
OMAP processors have AES module accelerator. Select this if you
want to use the OMAP module for AES algorithms.
diff --git a/drivers/crypto/atmel-aes.c b/drivers/crypto/atmel-aes.c
index 8061336..6f22ba5 100644
--- a/drivers/crypto/atmel-aes.c
+++ b/drivers/crypto/atmel-aes.c
@@ -332,7 +332,7 @@ static int atmel_aes_crypt_cpu_start(struct atmel_aes_dev *dd)
return -EINVAL;
dd->nb_out_sg = atmel_aes_sg_length(dd->req, dd->out_sg);
- if (!dd->nb_in_sg)
+ if (!dd->nb_out_sg)
return -EINVAL;
dd->bufcnt = sg_copy_to_buffer(dd->in_sg, dd->nb_in_sg,
@@ -1036,7 +1036,7 @@ err_aes_algs:
return err;
}
-static int __devinit atmel_aes_probe(struct platform_device *pdev)
+static int atmel_aes_probe(struct platform_device *pdev)
{
struct atmel_aes_dev *aes_dd;
struct aes_platform_data *pdata;
@@ -1152,7 +1152,7 @@ aes_dd_err:
return err;
}
-static int __devexit atmel_aes_remove(struct platform_device *pdev)
+static int atmel_aes_remove(struct platform_device *pdev)
{
static struct atmel_aes_dev *aes_dd;
@@ -1185,7 +1185,7 @@ static int __devexit atmel_aes_remove(struct platform_device *pdev)
static struct platform_driver atmel_aes_driver = {
.probe = atmel_aes_probe,
- .remove = __devexit_p(atmel_aes_remove),
+ .remove = atmel_aes_remove,
.driver = {
.name = "atmel_aes",
.owner = THIS_MODULE,
diff --git a/drivers/crypto/atmel-sha.c b/drivers/crypto/atmel-sha.c
index bcdf55f..4918e94 100644
--- a/drivers/crypto/atmel-sha.c
+++ b/drivers/crypto/atmel-sha.c
@@ -964,7 +964,7 @@ err_sha_algs:
return err;
}
-static int __devinit atmel_sha_probe(struct platform_device *pdev)
+static int atmel_sha_probe(struct platform_device *pdev)
{
struct atmel_sha_dev *sha_dd;
struct device *dev = &pdev->dev;
@@ -1063,7 +1063,7 @@ sha_dd_err:
return err;
}
-static int __devexit atmel_sha_remove(struct platform_device *pdev)
+static int atmel_sha_remove(struct platform_device *pdev)
{
static struct atmel_sha_dev *sha_dd;
@@ -1093,7 +1093,7 @@ static int __devexit atmel_sha_remove(struct platform_device *pdev)
static struct platform_driver atmel_sha_driver = {
.probe = atmel_sha_probe,
- .remove = __devexit_p(atmel_sha_remove),
+ .remove = atmel_sha_remove,
.driver = {
.name = "atmel_sha",
.owner = THIS_MODULE,
diff --git a/drivers/crypto/atmel-tdes.c b/drivers/crypto/atmel-tdes.c
index 7495f98..7c73fbb 100644
--- a/drivers/crypto/atmel-tdes.c
+++ b/drivers/crypto/atmel-tdes.c
@@ -1053,7 +1053,7 @@ err_tdes_algs:
return err;
}
-static int __devinit atmel_tdes_probe(struct platform_device *pdev)
+static int atmel_tdes_probe(struct platform_device *pdev)
{
struct atmel_tdes_dev *tdes_dd;
struct device *dev = &pdev->dev;
@@ -1162,7 +1162,7 @@ tdes_dd_err:
return err;
}
-static int __devexit atmel_tdes_remove(struct platform_device *pdev)
+static int atmel_tdes_remove(struct platform_device *pdev)
{
static struct atmel_tdes_dev *tdes_dd;
@@ -1195,7 +1195,7 @@ static int __devexit atmel_tdes_remove(struct platform_device *pdev)
static struct platform_driver atmel_tdes_driver = {
.probe = atmel_tdes_probe,
- .remove = __devexit_p(atmel_tdes_remove),
+ .remove = atmel_tdes_remove,
.driver = {
.name = "atmel_tdes",
.owner = THIS_MODULE,
diff --git a/drivers/crypto/bfin_crc.c b/drivers/crypto/bfin_crc.c
index 5398580..827913d 100644
--- a/drivers/crypto/bfin_crc.c
+++ b/drivers/crypto/bfin_crc.c
@@ -586,7 +586,7 @@ static int bfin_crypto_crc_suspend(struct platform_device *pdev, pm_message_t st
* bfin_crypto_crc_probe - Initialize module
*
*/
-static int __devinit bfin_crypto_crc_probe(struct platform_device *pdev)
+static int bfin_crypto_crc_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct resource *res;
@@ -694,7 +694,7 @@ out_error_dma:
dma_free_coherent(&pdev->dev, PAGE_SIZE, crc->sg_cpu, crc->sg_dma);
free_dma(crc->dma_ch);
out_error_irq:
- free_irq(crc->irq, crc->dev);
+ free_irq(crc->irq, crc);
out_error_unmap:
iounmap((void *)crc->regs);
out_error_free_mem:
@@ -707,7 +707,7 @@ out_error_free_mem:
* bfin_crypto_crc_remove - Initialize module
*
*/
-static int __devexit bfin_crypto_crc_remove(struct platform_device *pdev)
+static int bfin_crypto_crc_remove(struct platform_device *pdev)
{
struct bfin_crypto_crc *crc = platform_get_drvdata(pdev);
@@ -720,10 +720,10 @@ static int __devexit bfin_crypto_crc_remove(struct platform_device *pdev)
crypto_unregister_ahash(&algs);
tasklet_kill(&crc->done_task);
- iounmap((void *)crc->regs);
free_dma(crc->dma_ch);
if (crc->irq > 0)
- free_irq(crc->irq, crc->dev);
+ free_irq(crc->irq, crc);
+ iounmap((void *)crc->regs);
kfree(crc);
return 0;
@@ -731,7 +731,7 @@ static int __devexit bfin_crypto_crc_remove(struct platform_device *pdev)
static struct platform_driver bfin_crypto_crc_driver = {
.probe = bfin_crypto_crc_probe,
- .remove = __devexit_p(bfin_crypto_crc_remove),
+ .remove = bfin_crypto_crc_remove,
.suspend = bfin_crypto_crc_suspend,
.resume = bfin_crypto_crc_resume,
.driver = {
diff --git a/drivers/crypto/caam/ctrl.c b/drivers/crypto/caam/ctrl.c
index bf20dd8..1c56f63 100644
--- a/drivers/crypto/caam/ctrl.c
+++ b/drivers/crypto/caam/ctrl.c
@@ -420,7 +420,7 @@ static struct platform_driver caam_driver = {
.of_match_table = caam_match,
},
.probe = caam_probe,
- .remove = __devexit_p(caam_remove),
+ .remove = caam_remove,
};
module_platform_driver(caam_driver);
diff --git a/drivers/crypto/geode-aes.c b/drivers/crypto/geode-aes.c
index 51f196d..0c9ff49 100644
--- a/drivers/crypto/geode-aes.c
+++ b/drivers/crypto/geode-aes.c
@@ -498,8 +498,7 @@ static struct crypto_alg geode_ecb_alg = {
}
};
-static void __devexit
-geode_aes_remove(struct pci_dev *dev)
+static void geode_aes_remove(struct pci_dev *dev)
{
crypto_unregister_alg(&geode_alg);
crypto_unregister_alg(&geode_ecb_alg);
@@ -513,8 +512,7 @@ geode_aes_remove(struct pci_dev *dev)
}
-static int __devinit
-geode_aes_probe(struct pci_dev *dev, const struct pci_device_id *id)
+static int geode_aes_probe(struct pci_dev *dev, const struct pci_device_id *id)
{
int ret;
ret = pci_enable_device(dev);
@@ -582,7 +580,7 @@ static struct pci_driver geode_aes_driver = {
.name = "Geode LX AES",
.id_table = geode_aes_tbl,
.probe = geode_aes_probe,
- .remove = __devexit_p(geode_aes_remove)
+ .remove = geode_aes_remove,
};
module_pci_driver(geode_aes_driver);
diff --git a/drivers/crypto/hifn_795x.c b/drivers/crypto/hifn_795x.c
index fda3296..ebf130e 100644
--- a/drivers/crypto/hifn_795x.c
+++ b/drivers/crypto/hifn_795x.c
@@ -2561,7 +2561,7 @@ static void hifn_tasklet_callback(unsigned long data)
hifn_process_queue(dev);
}
-static int __devinit hifn_probe(struct pci_dev *pdev, const struct pci_device_id *id)
+static int hifn_probe(struct pci_dev *pdev, const struct pci_device_id *id)
{
int err, i;
struct hifn_device *dev;
@@ -2696,7 +2696,7 @@ err_out_disable_pci_device:
return err;
}
-static void __devexit hifn_remove(struct pci_dev *pdev)
+static void hifn_remove(struct pci_dev *pdev)
{
int i;
struct hifn_device *dev;
@@ -2740,7 +2740,7 @@ static struct pci_driver hifn_pci_driver = {
.name = "hifn795x",
.id_table = hifn_pci_tbl,
.probe = hifn_probe,
- .remove = __devexit_p(hifn_remove),
+ .remove = hifn_remove,
};
static int __init hifn_init(void)
diff --git a/drivers/crypto/ixp4xx_crypto.c b/drivers/crypto/ixp4xx_crypto.c
index 8f3f74c..21180d6 100644
--- a/drivers/crypto/ixp4xx_crypto.c
+++ b/drivers/crypto/ixp4xx_crypto.c
@@ -750,12 +750,12 @@ static int setup_cipher(struct crypto_tfm *tfm, int encrypt,
}
if (cipher_cfg & MOD_AES) {
switch (key_len) {
- case 16: keylen_cfg = MOD_AES128 | KEYLEN_128; break;
- case 24: keylen_cfg = MOD_AES192 | KEYLEN_192; break;
- case 32: keylen_cfg = MOD_AES256 | KEYLEN_256; break;
- default:
- *flags |= CRYPTO_TFM_RES_BAD_KEY_LEN;
- return -EINVAL;
+ case 16: keylen_cfg = MOD_AES128; break;
+ case 24: keylen_cfg = MOD_AES192; break;
+ case 32: keylen_cfg = MOD_AES256; break;
+ default:
+ *flags |= CRYPTO_TFM_RES_BAD_KEY_LEN;
+ return -EINVAL;
}
cipher_cfg |= keylen_cfg;
} else if (cipher_cfg & MOD_3DES) {
diff --git a/drivers/crypto/mv_cesa.c b/drivers/crypto/mv_cesa.c
index 24ccae4..ce6290e 100644
--- a/drivers/crypto/mv_cesa.c
+++ b/drivers/crypto/mv_cesa.c
@@ -1184,7 +1184,7 @@ MODULE_DEVICE_TABLE(of, mv_cesa_of_match_table);
static struct platform_driver marvell_crypto = {
.probe = mv_probe,
- .remove = __devexit_p(mv_remove),
+ .remove = mv_remove,
.driver = {
.owner = THIS_MODULE,
.name = "mv_crypto",
diff --git a/drivers/crypto/n2_core.c b/drivers/crypto/n2_core.c
index aab2574..e1f0ab4 100644
--- a/drivers/crypto/n2_core.c
+++ b/drivers/crypto/n2_core.c
@@ -34,7 +34,7 @@
#define DRV_MODULE_VERSION "0.2"
#define DRV_MODULE_RELDATE "July 28, 2011"
-static char version[] __devinitdata =
+static char version[] =
DRV_MODULE_NAME ".c:v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
MODULE_AUTHOR("David S. Miller (davem@davemloft.net)");
@@ -1388,7 +1388,7 @@ static int n2_cipher_cra_init(struct crypto_tfm *tfm)
return 0;
}
-static int __devinit __n2_register_one_cipher(const struct n2_cipher_tmpl *tmpl)
+static int __n2_register_one_cipher(const struct n2_cipher_tmpl *tmpl)
{
struct n2_cipher_alg *p = kzalloc(sizeof(*p), GFP_KERNEL);
struct crypto_alg *alg;
@@ -1424,7 +1424,7 @@ static int __devinit __n2_register_one_cipher(const struct n2_cipher_tmpl *tmpl)
return err;
}
-static int __devinit __n2_register_one_hmac(struct n2_ahash_alg *n2ahash)
+static int __n2_register_one_hmac(struct n2_ahash_alg *n2ahash)
{
struct n2_hmac_alg *p = kzalloc(sizeof(*p), GFP_KERNEL);
struct ahash_alg *ahash;
@@ -1462,7 +1462,7 @@ static int __devinit __n2_register_one_hmac(struct n2_ahash_alg *n2ahash)
return err;
}
-static int __devinit __n2_register_one_ahash(const struct n2_hash_tmpl *tmpl)
+static int __n2_register_one_ahash(const struct n2_hash_tmpl *tmpl)
{
struct n2_ahash_alg *p = kzalloc(sizeof(*p), GFP_KERNEL);
struct hash_alg_common *halg;
@@ -1517,7 +1517,7 @@ static int __devinit __n2_register_one_ahash(const struct n2_hash_tmpl *tmpl)
return err;
}
-static int __devinit n2_register_algs(void)
+static int n2_register_algs(void)
{
int i, err = 0;
@@ -1545,7 +1545,7 @@ out:
return err;
}
-static void __devexit n2_unregister_algs(void)
+static void n2_unregister_algs(void)
{
mutex_lock(&spu_lock);
if (!--algs_registered)
@@ -1822,8 +1822,8 @@ static int spu_mdesc_scan(struct mdesc_handle *mdesc, struct platform_device *de
return err;
}
-static int __devinit get_irq_props(struct mdesc_handle *mdesc, u64 node,
- struct spu_mdesc_info *ip)
+static int get_irq_props(struct mdesc_handle *mdesc, u64 node,
+ struct spu_mdesc_info *ip)
{
const u64 *ino;
int ino_len;
@@ -1851,10 +1851,10 @@ static int __devinit get_irq_props(struct mdesc_handle *mdesc, u64 node,
return 0;
}
-static int __devinit grab_mdesc_irq_props(struct mdesc_handle *mdesc,
- struct platform_device *dev,
- struct spu_mdesc_info *ip,
- const char *node_name)
+static int grab_mdesc_irq_props(struct mdesc_handle *mdesc,
+ struct platform_device *dev,
+ struct spu_mdesc_info *ip,
+ const char *node_name)
{
const unsigned int *reg;
u64 node;
@@ -1883,7 +1883,7 @@ static int __devinit grab_mdesc_irq_props(struct mdesc_handle *mdesc,
static unsigned long n2_spu_hvapi_major;
static unsigned long n2_spu_hvapi_minor;
-static int __devinit n2_spu_hvapi_register(void)
+static int n2_spu_hvapi_register(void)
{
int err;
@@ -1909,7 +1909,7 @@ static void n2_spu_hvapi_unregister(void)
static int global_ref;
-static int __devinit grab_global_resources(void)
+static int grab_global_resources(void)
{
int err = 0;
@@ -1973,7 +1973,7 @@ static void release_global_resources(void)
mutex_unlock(&spu_lock);
}
-static struct n2_crypto * __devinit alloc_n2cp(void)
+static struct n2_crypto *alloc_n2cp(void)
{
struct n2_crypto *np = kzalloc(sizeof(struct n2_crypto), GFP_KERNEL);
@@ -1993,7 +1993,7 @@ static void free_n2cp(struct n2_crypto *np)
kfree(np);
}
-static void __devinit n2_spu_driver_version(void)
+static void n2_spu_driver_version(void)
{
static int n2_spu_version_printed;
@@ -2001,7 +2001,7 @@ static void __devinit n2_spu_driver_version(void)
pr_info("%s", version);
}
-static int __devinit n2_crypto_probe(struct platform_device *dev)
+static int n2_crypto_probe(struct platform_device *dev)
{
struct mdesc_handle *mdesc;
const char *full_name;
@@ -2077,7 +2077,7 @@ out_free_n2cp:
return err;
}
-static int __devexit n2_crypto_remove(struct platform_device *dev)
+static int n2_crypto_remove(struct platform_device *dev)
{
struct n2_crypto *np = dev_get_drvdata(&dev->dev);
@@ -2092,7 +2092,7 @@ static int __devexit n2_crypto_remove(struct platform_device *dev)
return 0;
}
-static struct n2_mau * __devinit alloc_ncp(void)
+static struct n2_mau *alloc_ncp(void)
{
struct n2_mau *mp = kzalloc(sizeof(struct n2_mau), GFP_KERNEL);
@@ -2112,7 +2112,7 @@ static void free_ncp(struct n2_mau *mp)
kfree(mp);
}
-static int __devinit n2_mau_probe(struct platform_device *dev)
+static int n2_mau_probe(struct platform_device *dev)
{
struct mdesc_handle *mdesc;
const char *full_name;
@@ -2179,7 +2179,7 @@ out_free_ncp:
return err;
}
-static int __devexit n2_mau_remove(struct platform_device *dev)
+static int n2_mau_remove(struct platform_device *dev)
{
struct n2_mau *mp = dev_get_drvdata(&dev->dev);
@@ -2217,7 +2217,7 @@ static struct platform_driver n2_crypto_driver = {
.of_match_table = n2_crypto_match,
},
.probe = n2_crypto_probe,
- .remove = __devexit_p(n2_crypto_remove),
+ .remove = n2_crypto_remove,
};
static struct of_device_id n2_mau_match[] = {
@@ -2245,7 +2245,7 @@ static struct platform_driver n2_mau_driver = {
.of_match_table = n2_mau_match,
},
.probe = n2_mau_probe,
- .remove = __devexit_p(n2_mau_remove),
+ .remove = n2_mau_remove,
};
static int __init n2_init(void)
diff --git a/drivers/crypto/nx/nx-842.c b/drivers/crypto/nx/nx-842.c
index 0ce6257..6c4c000 100644
--- a/drivers/crypto/nx/nx-842.c
+++ b/drivers/crypto/nx/nx-842.c
@@ -28,7 +28,6 @@
#include <linux/slab.h>
#include <asm/page.h>
-#include <asm/pSeries_reconfig.h>
#include <asm/vio.h>
#include "nx_csbcpb.h" /* struct nx_csbcpb */
@@ -1014,26 +1013,23 @@ error_out:
* NOTIFY_BAD encoded with error number on failure, use
* notifier_to_errno() to decode this value
*/
-static int nx842_OF_notifier(struct notifier_block *np,
- unsigned long action,
- void *update)
+static int nx842_OF_notifier(struct notifier_block *np, unsigned long action,
+ void *update)
{
- struct pSeries_reconfig_prop_update *upd;
+ struct of_prop_reconfig *upd = update;
struct nx842_devdata *local_devdata;
struct device_node *node = NULL;
- upd = (struct pSeries_reconfig_prop_update *)update;
-
rcu_read_lock();
local_devdata = rcu_dereference(devdata);
if (local_devdata)
node = local_devdata->dev->of_node;
if (local_devdata &&
- action == PSERIES_UPDATE_PROPERTY &&
- !strcmp(upd->node->name, node->name)) {
+ action == OF_RECONFIG_UPDATE_PROPERTY &&
+ !strcmp(upd->dn->name, node->name)) {
rcu_read_unlock();
- nx842_OF_upd(upd->property);
+ nx842_OF_upd(upd->prop);
} else
rcu_read_unlock();
@@ -1182,7 +1178,7 @@ static int __init nx842_probe(struct vio_dev *viodev,
synchronize_rcu();
kfree(old_devdata);
- pSeries_reconfig_notifier_register(&nx842_of_nb);
+ of_reconfig_notifier_register(&nx842_of_nb);
ret = nx842_OF_upd(NULL);
if (ret && ret != -ENODEV) {
@@ -1228,7 +1224,7 @@ static int __exit nx842_remove(struct vio_dev *viodev)
spin_lock_irqsave(&devdata_mutex, flags);
old_devdata = rcu_dereference_check(devdata,
lockdep_is_held(&devdata_mutex));
- pSeries_reconfig_notifier_unregister(&nx842_of_nb);
+ of_reconfig_notifier_unregister(&nx842_of_nb);
rcu_assign_pointer(devdata, NULL);
spin_unlock_irqrestore(&devdata_mutex, flags);
synchronize_rcu();
diff --git a/drivers/crypto/nx/nx.c b/drivers/crypto/nx/nx.c
index 638110e..c767f23 100644
--- a/drivers/crypto/nx/nx.c
+++ b/drivers/crypto/nx/nx.c
@@ -33,7 +33,6 @@
#include <linux/scatterlist.h>
#include <linux/device.h>
#include <linux/of.h>
-#include <asm/pSeries_reconfig.h>
#include <asm/hvcall.h>
#include <asm/vio.h>
@@ -635,8 +634,7 @@ void nx_crypto_ctx_exit(struct crypto_tfm *tfm)
nx_ctx->out_sg = NULL;
}
-static int __devinit nx_probe(struct vio_dev *viodev,
- const struct vio_device_id *id)
+static int nx_probe(struct vio_dev *viodev, const struct vio_device_id *id)
{
dev_dbg(&viodev->dev, "driver probed: %s resource id: 0x%x\n",
viodev->name, viodev->resource_id);
@@ -654,7 +652,7 @@ static int __devinit nx_probe(struct vio_dev *viodev,
return nx_register_algs();
}
-static int __devexit nx_remove(struct vio_dev *viodev)
+static int nx_remove(struct vio_dev *viodev)
{
dev_dbg(&viodev->dev, "entering nx_remove for UA 0x%x\n",
viodev->unit_address);
@@ -690,7 +688,7 @@ static void __exit nx_fini(void)
vio_unregister_driver(&nx_driver.viodriver);
}
-static struct vio_device_id nx_crypto_driver_ids[] __devinitdata = {
+static struct vio_device_id nx_crypto_driver_ids[] = {
{ "ibm,sym-encryption-v1", "ibm,sym-encryption" },
{ "", "" }
};
diff --git a/drivers/crypto/omap-aes.c b/drivers/crypto/omap-aes.c
index 093a8af..6aa425f 100644
--- a/drivers/crypto/omap-aes.c
+++ b/drivers/crypto/omap-aes.c
@@ -5,6 +5,7 @@
*
* Copyright (c) 2010 Nokia Corporation
* Author: Dmitry Kasatkin <dmitry.kasatkin@nokia.com>
+ * Copyright (c) 2011 Texas Instruments Incorporated
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as published
@@ -19,29 +20,39 @@
#include <linux/init.h>
#include <linux/errno.h>
#include <linux/kernel.h>
-#include <linux/clk.h>
#include <linux/platform_device.h>
#include <linux/scatterlist.h>
#include <linux/dma-mapping.h>
+#include <linux/dmaengine.h>
+#include <linux/omap-dma.h>
+#include <linux/pm_runtime.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/of_address.h>
#include <linux/io.h>
#include <linux/crypto.h>
#include <linux/interrupt.h>
#include <crypto/scatterwalk.h>
#include <crypto/aes.h>
-#include <plat/cpu.h>
-#include <plat/dma.h>
+#define DST_MAXBURST 4
+#define DMA_MIN (DST_MAXBURST * sizeof(u32))
/* OMAP TRM gives bitfields as start:end, where start is the higher bit
number. For example 7:0 */
#define FLD_MASK(start, end) (((1 << ((start) - (end) + 1)) - 1) << (end))
#define FLD_VAL(val, start, end) (((val) << (end)) & FLD_MASK(start, end))
-#define AES_REG_KEY(x) (0x1C - ((x ^ 0x01) * 0x04))
-#define AES_REG_IV(x) (0x20 + ((x) * 0x04))
+#define AES_REG_KEY(dd, x) ((dd)->pdata->key_ofs - \
+ ((x ^ 0x01) * 0x04))
+#define AES_REG_IV(dd, x) ((dd)->pdata->iv_ofs + ((x) * 0x04))
-#define AES_REG_CTRL 0x30
-#define AES_REG_CTRL_CTR_WIDTH (1 << 7)
+#define AES_REG_CTRL(dd) ((dd)->pdata->ctrl_ofs)
+#define AES_REG_CTRL_CTR_WIDTH_MASK (3 << 7)
+#define AES_REG_CTRL_CTR_WIDTH_32 (0 << 7)
+#define AES_REG_CTRL_CTR_WIDTH_64 (1 << 7)
+#define AES_REG_CTRL_CTR_WIDTH_96 (2 << 7)
+#define AES_REG_CTRL_CTR_WIDTH_128 (3 << 7)
#define AES_REG_CTRL_CTR (1 << 6)
#define AES_REG_CTRL_CBC (1 << 5)
#define AES_REG_CTRL_KEY_SIZE (3 << 3)
@@ -49,14 +60,11 @@
#define AES_REG_CTRL_INPUT_READY (1 << 1)
#define AES_REG_CTRL_OUTPUT_READY (1 << 0)
-#define AES_REG_DATA 0x34
-#define AES_REG_DATA_N(x) (0x34 + ((x) * 0x04))
+#define AES_REG_DATA_N(dd, x) ((dd)->pdata->data_ofs + ((x) * 0x04))
-#define AES_REG_REV 0x44
-#define AES_REG_REV_MAJOR 0xF0
-#define AES_REG_REV_MINOR 0x0F
+#define AES_REG_REV(dd) ((dd)->pdata->rev_ofs)
-#define AES_REG_MASK 0x48
+#define AES_REG_MASK(dd) ((dd)->pdata->mask_ofs)
#define AES_REG_MASK_SIDLE (1 << 6)
#define AES_REG_MASK_START (1 << 5)
#define AES_REG_MASK_DMA_OUT_EN (1 << 3)
@@ -64,8 +72,7 @@
#define AES_REG_MASK_SOFTRESET (1 << 1)
#define AES_REG_AUTOIDLE (1 << 0)
-#define AES_REG_SYSSTATUS 0x4C
-#define AES_REG_SYSSTATUS_RESETDONE (1 << 0)
+#define AES_REG_LENGTH_N(x) (0x54 + ((x) * 0x04))
#define DEFAULT_TIMEOUT (5*HZ)
@@ -73,6 +80,7 @@
#define FLAGS_ENCRYPT BIT(0)
#define FLAGS_CBC BIT(1)
#define FLAGS_GIV BIT(2)
+#define FLAGS_CTR BIT(3)
#define FLAGS_INIT BIT(4)
#define FLAGS_FAST BIT(5)
@@ -93,11 +101,39 @@ struct omap_aes_reqctx {
#define OMAP_AES_QUEUE_LENGTH 1
#define OMAP_AES_CACHE_SIZE 0
+struct omap_aes_algs_info {
+ struct crypto_alg *algs_list;
+ unsigned int size;
+ unsigned int registered;
+};
+
+struct omap_aes_pdata {
+ struct omap_aes_algs_info *algs_info;
+ unsigned int algs_info_size;
+
+ void (*trigger)(struct omap_aes_dev *dd, int length);
+
+ u32 key_ofs;
+ u32 iv_ofs;
+ u32 ctrl_ofs;
+ u32 data_ofs;
+ u32 rev_ofs;
+ u32 mask_ofs;
+
+ u32 dma_enable_in;
+ u32 dma_enable_out;
+ u32 dma_start;
+
+ u32 major_mask;
+ u32 major_shift;
+ u32 minor_mask;
+ u32 minor_shift;
+};
+
struct omap_aes_dev {
struct list_head list;
unsigned long phys_base;
void __iomem *io_base;
- struct clk *iclk;
struct omap_aes_ctx *ctx;
struct device *dev;
unsigned long flags;
@@ -112,20 +148,24 @@ struct omap_aes_dev {
struct ablkcipher_request *req;
size_t total;
struct scatterlist *in_sg;
+ struct scatterlist in_sgl;
size_t in_offset;
struct scatterlist *out_sg;
+ struct scatterlist out_sgl;
size_t out_offset;
size_t buflen;
void *buf_in;
size_t dma_size;
int dma_in;
- int dma_lch_in;
+ struct dma_chan *dma_lch_in;
dma_addr_t dma_addr_in;
void *buf_out;
int dma_out;
- int dma_lch_out;
+ struct dma_chan *dma_lch_out;
dma_addr_t dma_addr_out;
+
+ const struct omap_aes_pdata *pdata;
};
/* keep registered devices data here */
@@ -161,19 +201,6 @@ static void omap_aes_write_n(struct omap_aes_dev *dd, u32 offset,
omap_aes_write(dd, offset, *value);
}
-static int omap_aes_wait(struct omap_aes_dev *dd, u32 offset, u32 bit)
-{
- unsigned long timeout = jiffies + DEFAULT_TIMEOUT;
-
- while (!(omap_aes_read(dd, offset) & bit)) {
- if (time_is_before_jiffies(timeout)) {
- dev_err(dd->dev, "omap-aes timeout\n");
- return -ETIMEDOUT;
- }
- }
- return 0;
-}
-
static int omap_aes_hw_init(struct omap_aes_dev *dd)
{
/*
@@ -181,23 +208,9 @@ static int omap_aes_hw_init(struct omap_aes_dev *dd)
* It may be long delays between requests.
* Device might go to off mode to save power.
*/
- clk_enable(dd->iclk);
+ pm_runtime_get_sync(dd->dev);
if (!(dd->flags & FLAGS_INIT)) {
- /* is it necessary to reset before every operation? */
- omap_aes_write_mask(dd, AES_REG_MASK, AES_REG_MASK_SOFTRESET,
- AES_REG_MASK_SOFTRESET);
- /*
- * prevent OCP bus error (SRESP) in case an access to the module
- * is performed while the module is coming out of soft reset
- */
- __asm__ __volatile__("nop");
- __asm__ __volatile__("nop");
-
- if (omap_aes_wait(dd, AES_REG_SYSSTATUS,
- AES_REG_SYSSTATUS_RESETDONE))
- return -ETIMEDOUT;
-
dd->flags |= FLAGS_INIT;
dd->err = 0;
}
@@ -209,59 +222,75 @@ static int omap_aes_write_ctrl(struct omap_aes_dev *dd)
{
unsigned int key32;
int i, err;
- u32 val, mask;
+ u32 val, mask = 0;
err = omap_aes_hw_init(dd);
if (err)
return err;
- val = 0;
- if (dd->dma_lch_out >= 0)
- val |= AES_REG_MASK_DMA_OUT_EN;
- if (dd->dma_lch_in >= 0)
- val |= AES_REG_MASK_DMA_IN_EN;
-
- mask = AES_REG_MASK_DMA_IN_EN | AES_REG_MASK_DMA_OUT_EN;
-
- omap_aes_write_mask(dd, AES_REG_MASK, val, mask);
-
key32 = dd->ctx->keylen / sizeof(u32);
/* it seems a key should always be set even if it has not changed */
for (i = 0; i < key32; i++) {
- omap_aes_write(dd, AES_REG_KEY(i),
+ omap_aes_write(dd, AES_REG_KEY(dd, i),
__le32_to_cpu(dd->ctx->key[i]));
}
- if ((dd->flags & FLAGS_CBC) && dd->req->info)
- omap_aes_write_n(dd, AES_REG_IV(0), dd->req->info, 4);
+ if ((dd->flags & (FLAGS_CBC | FLAGS_CTR)) && dd->req->info)
+ omap_aes_write_n(dd, AES_REG_IV(dd, 0), dd->req->info, 4);
val = FLD_VAL(((dd->ctx->keylen >> 3) - 1), 4, 3);
if (dd->flags & FLAGS_CBC)
val |= AES_REG_CTRL_CBC;
+ if (dd->flags & FLAGS_CTR) {
+ val |= AES_REG_CTRL_CTR | AES_REG_CTRL_CTR_WIDTH_32;
+ mask = AES_REG_CTRL_CTR | AES_REG_CTRL_CTR_WIDTH_MASK;
+ }
if (dd->flags & FLAGS_ENCRYPT)
val |= AES_REG_CTRL_DIRECTION;
- mask = AES_REG_CTRL_CBC | AES_REG_CTRL_DIRECTION |
+ mask |= AES_REG_CTRL_CBC | AES_REG_CTRL_DIRECTION |
AES_REG_CTRL_KEY_SIZE;
- omap_aes_write_mask(dd, AES_REG_CTRL, val, mask);
+ omap_aes_write_mask(dd, AES_REG_CTRL(dd), val, mask);
- /* IN */
- omap_set_dma_dest_params(dd->dma_lch_in, 0, OMAP_DMA_AMODE_CONSTANT,
- dd->phys_base + AES_REG_DATA, 0, 4);
+ return 0;
+}
- omap_set_dma_dest_burst_mode(dd->dma_lch_in, OMAP_DMA_DATA_BURST_4);
- omap_set_dma_src_burst_mode(dd->dma_lch_in, OMAP_DMA_DATA_BURST_4);
+static void omap_aes_dma_trigger_omap2(struct omap_aes_dev *dd, int length)
+{
+ u32 mask, val;
- /* OUT */
- omap_set_dma_src_params(dd->dma_lch_out, 0, OMAP_DMA_AMODE_CONSTANT,
- dd->phys_base + AES_REG_DATA, 0, 4);
+ val = dd->pdata->dma_start;
- omap_set_dma_src_burst_mode(dd->dma_lch_out, OMAP_DMA_DATA_BURST_4);
- omap_set_dma_dest_burst_mode(dd->dma_lch_out, OMAP_DMA_DATA_BURST_4);
+ if (dd->dma_lch_out != NULL)
+ val |= dd->pdata->dma_enable_out;
+ if (dd->dma_lch_in != NULL)
+ val |= dd->pdata->dma_enable_in;
- return 0;
+ mask = dd->pdata->dma_enable_out | dd->pdata->dma_enable_in |
+ dd->pdata->dma_start;
+
+ omap_aes_write_mask(dd, AES_REG_MASK(dd), val, mask);
+
+}
+
+static void omap_aes_dma_trigger_omap4(struct omap_aes_dev *dd, int length)
+{
+ omap_aes_write(dd, AES_REG_LENGTH_N(0), length);
+ omap_aes_write(dd, AES_REG_LENGTH_N(1), 0);
+
+ omap_aes_dma_trigger_omap2(dd, length);
+}
+
+static void omap_aes_dma_stop(struct omap_aes_dev *dd)
+{
+ u32 mask;
+
+ mask = dd->pdata->dma_enable_out | dd->pdata->dma_enable_in |
+ dd->pdata->dma_start;
+
+ omap_aes_write_mask(dd, AES_REG_MASK(dd), 0, mask);
}
static struct omap_aes_dev *omap_aes_find_dev(struct omap_aes_ctx *ctx)
@@ -285,18 +314,10 @@ static struct omap_aes_dev *omap_aes_find_dev(struct omap_aes_ctx *ctx)
return dd;
}
-static void omap_aes_dma_callback(int lch, u16 ch_status, void *data)
+static void omap_aes_dma_out_callback(void *data)
{
struct omap_aes_dev *dd = data;
- if (ch_status != OMAP_DMA_BLOCK_IRQ) {
- pr_err("omap-aes DMA error status: 0x%hx\n", ch_status);
- dd->err = -EIO;
- dd->flags &= ~FLAGS_INIT; /* request to re-initialize */
- } else if (lch == dd->dma_lch_in) {
- return;
- }
-
/* dma_lch_out - completed */
tasklet_schedule(&dd->done_task);
}
@@ -304,9 +325,10 @@ static void omap_aes_dma_callback(int lch, u16 ch_status, void *data)
static int omap_aes_dma_init(struct omap_aes_dev *dd)
{
int err = -ENOMEM;
+ dma_cap_mask_t mask;
- dd->dma_lch_out = -1;
- dd->dma_lch_in = -1;
+ dd->dma_lch_out = NULL;
+ dd->dma_lch_in = NULL;
dd->buf_in = (void *)__get_free_pages(GFP_KERNEL, OMAP_AES_CACHE_SIZE);
dd->buf_out = (void *)__get_free_pages(GFP_KERNEL, OMAP_AES_CACHE_SIZE);
@@ -335,23 +357,31 @@ static int omap_aes_dma_init(struct omap_aes_dev *dd)
goto err_map_out;
}
- err = omap_request_dma(dd->dma_in, "omap-aes-rx",
- omap_aes_dma_callback, dd, &dd->dma_lch_in);
- if (err) {
- dev_err(dd->dev, "Unable to request DMA channel\n");
+ dma_cap_zero(mask);
+ dma_cap_set(DMA_SLAVE, mask);
+
+ dd->dma_lch_in = dma_request_slave_channel_compat(mask,
+ omap_dma_filter_fn,
+ &dd->dma_in,
+ dd->dev, "rx");
+ if (!dd->dma_lch_in) {
+ dev_err(dd->dev, "Unable to request in DMA channel\n");
goto err_dma_in;
}
- err = omap_request_dma(dd->dma_out, "omap-aes-tx",
- omap_aes_dma_callback, dd, &dd->dma_lch_out);
- if (err) {
- dev_err(dd->dev, "Unable to request DMA channel\n");
+
+ dd->dma_lch_out = dma_request_slave_channel_compat(mask,
+ omap_dma_filter_fn,
+ &dd->dma_out,
+ dd->dev, "tx");
+ if (!dd->dma_lch_out) {
+ dev_err(dd->dev, "Unable to request out DMA channel\n");
goto err_dma_out;
}
return 0;
err_dma_out:
- omap_free_dma(dd->dma_lch_in);
+ dma_release_channel(dd->dma_lch_in);
err_dma_in:
dma_unmap_single(dd->dev, dd->dma_addr_out, dd->buflen,
DMA_FROM_DEVICE);
@@ -368,8 +398,8 @@ err_alloc:
static void omap_aes_dma_cleanup(struct omap_aes_dev *dd)
{
- omap_free_dma(dd->dma_lch_out);
- omap_free_dma(dd->dma_lch_in);
+ dma_release_channel(dd->dma_lch_out);
+ dma_release_channel(dd->dma_lch_in);
dma_unmap_single(dd->dev, dd->dma_addr_out, dd->buflen,
DMA_FROM_DEVICE);
dma_unmap_single(dd->dev, dd->dma_addr_in, dd->buflen, DMA_TO_DEVICE);
@@ -427,12 +457,15 @@ static int sg_copy(struct scatterlist **sg, size_t *offset, void *buf,
return off;
}
-static int omap_aes_crypt_dma(struct crypto_tfm *tfm, dma_addr_t dma_addr_in,
- dma_addr_t dma_addr_out, int length)
+static int omap_aes_crypt_dma(struct crypto_tfm *tfm,
+ struct scatterlist *in_sg, struct scatterlist *out_sg)
{
struct omap_aes_ctx *ctx = crypto_tfm_ctx(tfm);
struct omap_aes_dev *dd = ctx->dd;
- int len32;
+ struct dma_async_tx_descriptor *tx_in, *tx_out;
+ struct dma_slave_config cfg;
+ dma_addr_t dma_addr_in = sg_dma_address(in_sg);
+ int ret, length = sg_dma_len(in_sg);
pr_debug("len: %d\n", length);
@@ -442,30 +475,61 @@ static int omap_aes_crypt_dma(struct crypto_tfm *tfm, dma_addr_t dma_addr_in,
dma_sync_single_for_device(dd->dev, dma_addr_in, length,
DMA_TO_DEVICE);
- len32 = DIV_ROUND_UP(length, sizeof(u32));
+ memset(&cfg, 0, sizeof(cfg));
+
+ cfg.src_addr = dd->phys_base + AES_REG_DATA_N(dd, 0);
+ cfg.dst_addr = dd->phys_base + AES_REG_DATA_N(dd, 0);
+ cfg.src_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
+ cfg.dst_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
+ cfg.src_maxburst = DST_MAXBURST;
+ cfg.dst_maxburst = DST_MAXBURST;
/* IN */
- omap_set_dma_transfer_params(dd->dma_lch_in, OMAP_DMA_DATA_TYPE_S32,
- len32, 1, OMAP_DMA_SYNC_PACKET, dd->dma_in,
- OMAP_DMA_DST_SYNC);
+ ret = dmaengine_slave_config(dd->dma_lch_in, &cfg);
+ if (ret) {
+ dev_err(dd->dev, "can't configure IN dmaengine slave: %d\n",
+ ret);
+ return ret;
+ }
+
+ tx_in = dmaengine_prep_slave_sg(dd->dma_lch_in, in_sg, 1,
+ DMA_MEM_TO_DEV,
+ DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
+ if (!tx_in) {
+ dev_err(dd->dev, "IN prep_slave_sg() failed\n");
+ return -EINVAL;
+ }
- omap_set_dma_src_params(dd->dma_lch_in, 0, OMAP_DMA_AMODE_POST_INC,
- dma_addr_in, 0, 0);
+ /* No callback necessary */
+ tx_in->callback_param = dd;
/* OUT */
- omap_set_dma_transfer_params(dd->dma_lch_out, OMAP_DMA_DATA_TYPE_S32,
- len32, 1, OMAP_DMA_SYNC_PACKET,
- dd->dma_out, OMAP_DMA_SRC_SYNC);
+ ret = dmaengine_slave_config(dd->dma_lch_out, &cfg);
+ if (ret) {
+ dev_err(dd->dev, "can't configure OUT dmaengine slave: %d\n",
+ ret);
+ return ret;
+ }
- omap_set_dma_dest_params(dd->dma_lch_out, 0, OMAP_DMA_AMODE_POST_INC,
- dma_addr_out, 0, 0);
+ tx_out = dmaengine_prep_slave_sg(dd->dma_lch_out, out_sg, 1,
+ DMA_DEV_TO_MEM,
+ DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
+ if (!tx_out) {
+ dev_err(dd->dev, "OUT prep_slave_sg() failed\n");
+ return -EINVAL;
+ }
+
+ tx_out->callback = omap_aes_dma_out_callback;
+ tx_out->callback_param = dd;
- omap_start_dma(dd->dma_lch_in);
- omap_start_dma(dd->dma_lch_out);
+ dmaengine_submit(tx_in);
+ dmaengine_submit(tx_out);
- /* start DMA or disable idle mode */
- omap_aes_write_mask(dd, AES_REG_MASK, AES_REG_MASK_START,
- AES_REG_MASK_START);
+ dma_async_issue_pending(dd->dma_lch_in);
+ dma_async_issue_pending(dd->dma_lch_out);
+
+ /* start DMA */
+ dd->pdata->trigger(dd, length);
return 0;
}
@@ -477,6 +541,8 @@ static int omap_aes_crypt_dma_start(struct omap_aes_dev *dd)
int err, fast = 0, in, out;
size_t count;
dma_addr_t addr_in, addr_out;
+ struct scatterlist *in_sg, *out_sg;
+ int len32;
pr_debug("total: %d\n", dd->total);
@@ -515,6 +581,9 @@ static int omap_aes_crypt_dma_start(struct omap_aes_dev *dd)
addr_in = sg_dma_address(dd->in_sg);
addr_out = sg_dma_address(dd->out_sg);
+ in_sg = dd->in_sg;
+ out_sg = dd->out_sg;
+
dd->flags |= FLAGS_FAST;
} else {
@@ -522,6 +591,27 @@ static int omap_aes_crypt_dma_start(struct omap_aes_dev *dd)
count = sg_copy(&dd->in_sg, &dd->in_offset, dd->buf_in,
dd->buflen, dd->total, 0);
+ len32 = DIV_ROUND_UP(count, DMA_MIN) * DMA_MIN;
+
+ /*
+ * The data going into the AES module has been copied
+ * to a local buffer and the data coming out will go
+ * into a local buffer so set up local SG entries for
+ * both.
+ */
+ sg_init_table(&dd->in_sgl, 1);
+ dd->in_sgl.offset = dd->in_offset;
+ sg_dma_len(&dd->in_sgl) = len32;
+ sg_dma_address(&dd->in_sgl) = dd->dma_addr_in;
+
+ sg_init_table(&dd->out_sgl, 1);
+ dd->out_sgl.offset = dd->out_offset;
+ sg_dma_len(&dd->out_sgl) = len32;
+ sg_dma_address(&dd->out_sgl) = dd->dma_addr_out;
+
+ in_sg = &dd->in_sgl;
+ out_sg = &dd->out_sgl;
+
addr_in = dd->dma_addr_in;
addr_out = dd->dma_addr_out;
@@ -531,7 +621,7 @@ static int omap_aes_crypt_dma_start(struct omap_aes_dev *dd)
dd->total -= count;
- err = omap_aes_crypt_dma(tfm, addr_in, addr_out, count);
+ err = omap_aes_crypt_dma(tfm, in_sg, out_sg);
if (err) {
dma_unmap_sg(dd->dev, dd->in_sg, 1, DMA_TO_DEVICE);
dma_unmap_sg(dd->dev, dd->out_sg, 1, DMA_TO_DEVICE);
@@ -546,7 +636,7 @@ static void omap_aes_finish_req(struct omap_aes_dev *dd, int err)
pr_debug("err: %d\n", err);
- clk_disable(dd->iclk);
+ pm_runtime_put_sync(dd->dev);
dd->flags &= ~FLAGS_BUSY;
req->base.complete(&req->base, err);
@@ -559,10 +649,10 @@ static int omap_aes_crypt_dma_stop(struct omap_aes_dev *dd)
pr_debug("total: %d\n", dd->total);
- omap_aes_write_mask(dd, AES_REG_MASK, 0, AES_REG_MASK_START);
+ omap_aes_dma_stop(dd);
- omap_stop_dma(dd->dma_lch_in);
- omap_stop_dma(dd->dma_lch_out);
+ dmaengine_terminate_all(dd->dma_lch_in);
+ dmaengine_terminate_all(dd->dma_lch_out);
if (dd->flags & FLAGS_FAST) {
dma_unmap_sg(dd->dev, dd->out_sg, 1, DMA_FROM_DEVICE);
@@ -735,6 +825,16 @@ static int omap_aes_cbc_decrypt(struct ablkcipher_request *req)
return omap_aes_crypt(req, FLAGS_CBC);
}
+static int omap_aes_ctr_encrypt(struct ablkcipher_request *req)
+{
+ return omap_aes_crypt(req, FLAGS_ENCRYPT | FLAGS_CTR);
+}
+
+static int omap_aes_ctr_decrypt(struct ablkcipher_request *req)
+{
+ return omap_aes_crypt(req, FLAGS_CTR);
+}
+
static int omap_aes_cra_init(struct crypto_tfm *tfm)
{
pr_debug("enter\n");
@@ -751,7 +851,7 @@ static void omap_aes_cra_exit(struct crypto_tfm *tfm)
/* ********************** ALGS ************************************ */
-static struct crypto_alg algs[] = {
+static struct crypto_alg algs_ecb_cbc[] = {
{
.cra_name = "ecb(aes)",
.cra_driver_name = "ecb-aes-omap",
@@ -799,11 +899,213 @@ static struct crypto_alg algs[] = {
}
};
+static struct crypto_alg algs_ctr[] = {
+{
+ .cra_name = "ctr(aes)",
+ .cra_driver_name = "ctr-aes-omap",
+ .cra_priority = 100,
+ .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
+ CRYPTO_ALG_KERN_DRIVER_ONLY |
+ CRYPTO_ALG_ASYNC,
+ .cra_blocksize = AES_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct omap_aes_ctx),
+ .cra_alignmask = 0,
+ .cra_type = &crypto_ablkcipher_type,
+ .cra_module = THIS_MODULE,
+ .cra_init = omap_aes_cra_init,
+ .cra_exit = omap_aes_cra_exit,
+ .cra_u.ablkcipher = {
+ .min_keysize = AES_MIN_KEY_SIZE,
+ .max_keysize = AES_MAX_KEY_SIZE,
+ .geniv = "eseqiv",
+ .ivsize = AES_BLOCK_SIZE,
+ .setkey = omap_aes_setkey,
+ .encrypt = omap_aes_ctr_encrypt,
+ .decrypt = omap_aes_ctr_decrypt,
+ }
+} ,
+};
+
+static struct omap_aes_algs_info omap_aes_algs_info_ecb_cbc[] = {
+ {
+ .algs_list = algs_ecb_cbc,
+ .size = ARRAY_SIZE(algs_ecb_cbc),
+ },
+};
+
+static const struct omap_aes_pdata omap_aes_pdata_omap2 = {
+ .algs_info = omap_aes_algs_info_ecb_cbc,
+ .algs_info_size = ARRAY_SIZE(omap_aes_algs_info_ecb_cbc),
+ .trigger = omap_aes_dma_trigger_omap2,
+ .key_ofs = 0x1c,
+ .iv_ofs = 0x20,
+ .ctrl_ofs = 0x30,
+ .data_ofs = 0x34,
+ .rev_ofs = 0x44,
+ .mask_ofs = 0x48,
+ .dma_enable_in = BIT(2),
+ .dma_enable_out = BIT(3),
+ .dma_start = BIT(5),
+ .major_mask = 0xf0,
+ .major_shift = 4,
+ .minor_mask = 0x0f,
+ .minor_shift = 0,
+};
+
+#ifdef CONFIG_OF
+static struct omap_aes_algs_info omap_aes_algs_info_ecb_cbc_ctr[] = {
+ {
+ .algs_list = algs_ecb_cbc,
+ .size = ARRAY_SIZE(algs_ecb_cbc),
+ },
+ {
+ .algs_list = algs_ctr,
+ .size = ARRAY_SIZE(algs_ctr),
+ },
+};
+
+static const struct omap_aes_pdata omap_aes_pdata_omap3 = {
+ .algs_info = omap_aes_algs_info_ecb_cbc_ctr,
+ .algs_info_size = ARRAY_SIZE(omap_aes_algs_info_ecb_cbc_ctr),
+ .trigger = omap_aes_dma_trigger_omap2,
+ .key_ofs = 0x1c,
+ .iv_ofs = 0x20,
+ .ctrl_ofs = 0x30,
+ .data_ofs = 0x34,
+ .rev_ofs = 0x44,
+ .mask_ofs = 0x48,
+ .dma_enable_in = BIT(2),
+ .dma_enable_out = BIT(3),
+ .dma_start = BIT(5),
+ .major_mask = 0xf0,
+ .major_shift = 4,
+ .minor_mask = 0x0f,
+ .minor_shift = 0,
+};
+
+static const struct omap_aes_pdata omap_aes_pdata_omap4 = {
+ .algs_info = omap_aes_algs_info_ecb_cbc_ctr,
+ .algs_info_size = ARRAY_SIZE(omap_aes_algs_info_ecb_cbc_ctr),
+ .trigger = omap_aes_dma_trigger_omap4,
+ .key_ofs = 0x3c,
+ .iv_ofs = 0x40,
+ .ctrl_ofs = 0x50,
+ .data_ofs = 0x60,
+ .rev_ofs = 0x80,
+ .mask_ofs = 0x84,
+ .dma_enable_in = BIT(5),
+ .dma_enable_out = BIT(6),
+ .major_mask = 0x0700,
+ .major_shift = 8,
+ .minor_mask = 0x003f,
+ .minor_shift = 0,
+};
+
+static const struct of_device_id omap_aes_of_match[] = {
+ {
+ .compatible = "ti,omap2-aes",
+ .data = &omap_aes_pdata_omap2,
+ },
+ {
+ .compatible = "ti,omap3-aes",
+ .data = &omap_aes_pdata_omap3,
+ },
+ {
+ .compatible = "ti,omap4-aes",
+ .data = &omap_aes_pdata_omap4,
+ },
+ {},
+};
+MODULE_DEVICE_TABLE(of, omap_aes_of_match);
+
+static int omap_aes_get_res_of(struct omap_aes_dev *dd,
+ struct device *dev, struct resource *res)
+{
+ struct device_node *node = dev->of_node;
+ const struct of_device_id *match;
+ int err = 0;
+
+ match = of_match_device(of_match_ptr(omap_aes_of_match), dev);
+ if (!match) {
+ dev_err(dev, "no compatible OF match\n");
+ err = -EINVAL;
+ goto err;
+ }
+
+ err = of_address_to_resource(node, 0, res);
+ if (err < 0) {
+ dev_err(dev, "can't translate OF node address\n");
+ err = -EINVAL;
+ goto err;
+ }
+
+ dd->dma_out = -1; /* Dummy value that's unused */
+ dd->dma_in = -1; /* Dummy value that's unused */
+
+ dd->pdata = match->data;
+
+err:
+ return err;
+}
+#else
+static const struct of_device_id omap_aes_of_match[] = {
+ {},
+};
+
+static int omap_aes_get_res_of(struct omap_aes_dev *dd,
+ struct device *dev, struct resource *res)
+{
+ return -EINVAL;
+}
+#endif
+
+static int omap_aes_get_res_pdev(struct omap_aes_dev *dd,
+ struct platform_device *pdev, struct resource *res)
+{
+ struct device *dev = &pdev->dev;
+ struct resource *r;
+ int err = 0;
+
+ /* Get the base address */
+ r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!r) {
+ dev_err(dev, "no MEM resource info\n");
+ err = -ENODEV;
+ goto err;
+ }
+ memcpy(res, r, sizeof(*res));
+
+ /* Get the DMA out channel */
+ r = platform_get_resource(pdev, IORESOURCE_DMA, 0);
+ if (!r) {
+ dev_err(dev, "no DMA out resource info\n");
+ err = -ENODEV;
+ goto err;
+ }
+ dd->dma_out = r->start;
+
+ /* Get the DMA in channel */
+ r = platform_get_resource(pdev, IORESOURCE_DMA, 1);
+ if (!r) {
+ dev_err(dev, "no DMA in resource info\n");
+ err = -ENODEV;
+ goto err;
+ }
+ dd->dma_in = r->start;
+
+ /* Only OMAP2/3 can be non-DT */
+ dd->pdata = &omap_aes_pdata_omap2;
+
+err:
+ return err;
+}
+
static int omap_aes_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct omap_aes_dev *dd;
- struct resource *res;
+ struct crypto_alg *algp;
+ struct resource res;
int err = -ENOMEM, i, j;
u32 reg;
@@ -818,49 +1120,31 @@ static int omap_aes_probe(struct platform_device *pdev)
spin_lock_init(&dd->lock);
crypto_init_queue(&dd->queue, OMAP_AES_QUEUE_LENGTH);
- /* Get the base address */
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!res) {
- dev_err(dev, "invalid resource type\n");
- err = -ENODEV;
- goto err_res;
- }
- dd->phys_base = res->start;
-
- /* Get the DMA */
- res = platform_get_resource(pdev, IORESOURCE_DMA, 0);
- if (!res)
- dev_info(dev, "no DMA info\n");
- else
- dd->dma_out = res->start;
-
- /* Get the DMA */
- res = platform_get_resource(pdev, IORESOURCE_DMA, 1);
- if (!res)
- dev_info(dev, "no DMA info\n");
- else
- dd->dma_in = res->start;
-
- /* Initializing the clock */
- dd->iclk = clk_get(dev, "ick");
- if (IS_ERR(dd->iclk)) {
- dev_err(dev, "clock intialization failed.\n");
- err = PTR_ERR(dd->iclk);
+ err = (dev->of_node) ? omap_aes_get_res_of(dd, dev, &res) :
+ omap_aes_get_res_pdev(dd, pdev, &res);
+ if (err)
goto err_res;
- }
- dd->io_base = ioremap(dd->phys_base, SZ_4K);
+ dd->io_base = devm_request_and_ioremap(dev, &res);
if (!dd->io_base) {
dev_err(dev, "can't ioremap\n");
err = -ENOMEM;
- goto err_io;
+ goto err_res;
}
+ dd->phys_base = res.start;
+
+ pm_runtime_enable(dev);
+ pm_runtime_get_sync(dev);
+
+ omap_aes_dma_stop(dd);
+
+ reg = omap_aes_read(dd, AES_REG_REV(dd));
+
+ pm_runtime_put_sync(dev);
- clk_enable(dd->iclk);
- reg = omap_aes_read(dd, AES_REG_REV);
dev_info(dev, "OMAP AES hw accel rev: %u.%u\n",
- (reg & AES_REG_REV_MAJOR) >> 4, reg & AES_REG_REV_MINOR);
- clk_disable(dd->iclk);
+ (reg & dd->pdata->major_mask) >> dd->pdata->major_shift,
+ (reg & dd->pdata->minor_mask) >> dd->pdata->minor_shift);
tasklet_init(&dd->done_task, omap_aes_done_task, (unsigned long)dd);
tasklet_init(&dd->queue_task, omap_aes_queue_task, (unsigned long)dd);
@@ -874,26 +1158,32 @@ static int omap_aes_probe(struct platform_device *pdev)
list_add_tail(&dd->list, &dev_list);
spin_unlock(&list_lock);
- for (i = 0; i < ARRAY_SIZE(algs); i++) {
- pr_debug("i: %d\n", i);
- err = crypto_register_alg(&algs[i]);
- if (err)
- goto err_algs;
- }
+ for (i = 0; i < dd->pdata->algs_info_size; i++) {
+ for (j = 0; j < dd->pdata->algs_info[i].size; j++) {
+ algp = &dd->pdata->algs_info[i].algs_list[j];
+
+ pr_debug("reg alg: %s\n", algp->cra_name);
+ INIT_LIST_HEAD(&algp->cra_list);
- pr_info("probe() done\n");
+ err = crypto_register_alg(algp);
+ if (err)
+ goto err_algs;
+
+ dd->pdata->algs_info[i].registered++;
+ }
+ }
return 0;
err_algs:
- for (j = 0; j < i; j++)
- crypto_unregister_alg(&algs[j]);
+ for (i = dd->pdata->algs_info_size - 1; i >= 0; i--)
+ for (j = dd->pdata->algs_info[i].registered - 1; j >= 0; j--)
+ crypto_unregister_alg(
+ &dd->pdata->algs_info[i].algs_list[j]);
omap_aes_dma_cleanup(dd);
err_dma:
tasklet_kill(&dd->done_task);
tasklet_kill(&dd->queue_task);
- iounmap(dd->io_base);
-err_io:
- clk_put(dd->iclk);
+ pm_runtime_disable(dev);
err_res:
kfree(dd);
dd = NULL;
@@ -905,7 +1195,7 @@ err_data:
static int omap_aes_remove(struct platform_device *pdev)
{
struct omap_aes_dev *dd = platform_get_drvdata(pdev);
- int i;
+ int i, j;
if (!dd)
return -ENODEV;
@@ -914,38 +1204,52 @@ static int omap_aes_remove(struct platform_device *pdev)
list_del(&dd->list);
spin_unlock(&list_lock);
- for (i = 0; i < ARRAY_SIZE(algs); i++)
- crypto_unregister_alg(&algs[i]);
+ for (i = dd->pdata->algs_info_size - 1; i >= 0; i--)
+ for (j = dd->pdata->algs_info[i].registered - 1; j >= 0; j--)
+ crypto_unregister_alg(
+ &dd->pdata->algs_info[i].algs_list[j]);
tasklet_kill(&dd->done_task);
tasklet_kill(&dd->queue_task);
omap_aes_dma_cleanup(dd);
- iounmap(dd->io_base);
- clk_put(dd->iclk);
+ pm_runtime_disable(dd->dev);
kfree(dd);
dd = NULL;
return 0;
}
+#ifdef CONFIG_PM_SLEEP
+static int omap_aes_suspend(struct device *dev)
+{
+ pm_runtime_put_sync(dev);
+ return 0;
+}
+
+static int omap_aes_resume(struct device *dev)
+{
+ pm_runtime_get_sync(dev);
+ return 0;
+}
+#endif
+
+static const struct dev_pm_ops omap_aes_pm_ops = {
+ SET_SYSTEM_SLEEP_PM_OPS(omap_aes_suspend, omap_aes_resume)
+};
+
static struct platform_driver omap_aes_driver = {
.probe = omap_aes_probe,
.remove = omap_aes_remove,
.driver = {
.name = "omap-aes",
.owner = THIS_MODULE,
+ .pm = &omap_aes_pm_ops,
+ .of_match_table = omap_aes_of_match,
},
};
static int __init omap_aes_mod_init(void)
{
- pr_info("loading %s driver\n", "omap-aes");
-
- if (!cpu_class_is_omap2() || omap_type() != OMAP2_DEVICE_TYPE_SEC) {
- pr_err("Unsupported cpu\n");
- return -ENODEV;
- }
-
return platform_driver_register(&omap_aes_driver);
}
diff --git a/drivers/crypto/omap-sham.c b/drivers/crypto/omap-sham.c
index a3fd6fc..3d1611f 100644
--- a/drivers/crypto/omap-sham.c
+++ b/drivers/crypto/omap-sham.c
@@ -5,6 +5,7 @@
*
* Copyright (c) 2010 Nokia Corporation
* Author: Dmitry Kasatkin <dmitry.kasatkin@nokia.com>
+ * Copyright (c) 2011 Texas Instruments Incorporated
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as published
@@ -22,12 +23,18 @@
#include <linux/errno.h>
#include <linux/interrupt.h>
#include <linux/kernel.h>
-#include <linux/clk.h>
#include <linux/irq.h>
#include <linux/io.h>
#include <linux/platform_device.h>
#include <linux/scatterlist.h>
#include <linux/dma-mapping.h>
+#include <linux/dmaengine.h>
+#include <linux/omap-dma.h>
+#include <linux/pm_runtime.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/of_address.h>
+#include <linux/of_irq.h>
#include <linux/delay.h>
#include <linux/crypto.h>
#include <linux/cryptohash.h>
@@ -37,17 +44,17 @@
#include <crypto/hash.h>
#include <crypto/internal/hash.h>
-#include <plat/cpu.h>
-#include <plat/dma.h>
-#include <mach/irqs.h>
-
-#define SHA_REG_DIGEST(x) (0x00 + ((x) * 0x04))
-#define SHA_REG_DIN(x) (0x1C + ((x) * 0x04))
-
#define SHA1_MD5_BLOCK_SIZE SHA1_BLOCK_SIZE
#define MD5_DIGEST_SIZE 16
-#define SHA_REG_DIGCNT 0x14
+#define DST_MAXBURST 16
+#define DMA_MIN (DST_MAXBURST * sizeof(u32))
+
+#define SHA_REG_IDIGEST(dd, x) ((dd)->pdata->idigest_ofs + ((x)*0x04))
+#define SHA_REG_DIN(dd, x) ((dd)->pdata->din_ofs + ((x) * 0x04))
+#define SHA_REG_DIGCNT(dd) ((dd)->pdata->digcnt_ofs)
+
+#define SHA_REG_ODIGEST(x) (0x00 + ((x) * 0x04))
#define SHA_REG_CTRL 0x18
#define SHA_REG_CTRL_LENGTH (0xFFFFFFFF << 5)
@@ -57,19 +64,42 @@
#define SHA_REG_CTRL_INPUT_READY (1 << 1)
#define SHA_REG_CTRL_OUTPUT_READY (1 << 0)
-#define SHA_REG_REV 0x5C
-#define SHA_REG_REV_MAJOR 0xF0
-#define SHA_REG_REV_MINOR 0x0F
+#define SHA_REG_REV(dd) ((dd)->pdata->rev_ofs)
-#define SHA_REG_MASK 0x60
+#define SHA_REG_MASK(dd) ((dd)->pdata->mask_ofs)
#define SHA_REG_MASK_DMA_EN (1 << 3)
#define SHA_REG_MASK_IT_EN (1 << 2)
#define SHA_REG_MASK_SOFTRESET (1 << 1)
#define SHA_REG_AUTOIDLE (1 << 0)
-#define SHA_REG_SYSSTATUS 0x64
+#define SHA_REG_SYSSTATUS(dd) ((dd)->pdata->sysstatus_ofs)
#define SHA_REG_SYSSTATUS_RESETDONE (1 << 0)
+#define SHA_REG_MODE 0x44
+#define SHA_REG_MODE_HMAC_OUTER_HASH (1 << 7)
+#define SHA_REG_MODE_HMAC_KEY_PROC (1 << 5)
+#define SHA_REG_MODE_CLOSE_HASH (1 << 4)
+#define SHA_REG_MODE_ALGO_CONSTANT (1 << 3)
+#define SHA_REG_MODE_ALGO_MASK (3 << 1)
+#define SHA_REG_MODE_ALGO_MD5_128 (0 << 1)
+#define SHA_REG_MODE_ALGO_SHA1_160 (1 << 1)
+#define SHA_REG_MODE_ALGO_SHA2_224 (2 << 1)
+#define SHA_REG_MODE_ALGO_SHA2_256 (3 << 1)
+
+#define SHA_REG_LENGTH 0x48
+
+#define SHA_REG_IRQSTATUS 0x118
+#define SHA_REG_IRQSTATUS_CTX_RDY (1 << 3)
+#define SHA_REG_IRQSTATUS_PARTHASH_RDY (1 << 2)
+#define SHA_REG_IRQSTATUS_INPUT_RDY (1 << 1)
+#define SHA_REG_IRQSTATUS_OUTPUT_RDY (1 << 0)
+
+#define SHA_REG_IRQENA 0x11C
+#define SHA_REG_IRQENA_CTX_RDY (1 << 3)
+#define SHA_REG_IRQENA_PARTHASH_RDY (1 << 2)
+#define SHA_REG_IRQENA_INPUT_RDY (1 << 1)
+#define SHA_REG_IRQENA_OUTPUT_RDY (1 << 0)
+
#define DEFAULT_TIMEOUT_INTERVAL HZ
/* mostly device flags */
@@ -80,20 +110,33 @@
#define FLAGS_INIT 4
#define FLAGS_CPU 5
#define FLAGS_DMA_READY 6
+#define FLAGS_AUTO_XOR 7
+#define FLAGS_BE32_SHA1 8
/* context flags */
#define FLAGS_FINUP 16
#define FLAGS_SG 17
-#define FLAGS_SHA1 18
-#define FLAGS_HMAC 19
-#define FLAGS_ERROR 20
-#define OP_UPDATE 1
-#define OP_FINAL 2
+#define FLAGS_MODE_SHIFT 18
+#define FLAGS_MODE_MASK (SHA_REG_MODE_ALGO_MASK \
+ << (FLAGS_MODE_SHIFT - 1))
+#define FLAGS_MODE_MD5 (SHA_REG_MODE_ALGO_MD5_128 \
+ << (FLAGS_MODE_SHIFT - 1))
+#define FLAGS_MODE_SHA1 (SHA_REG_MODE_ALGO_SHA1_160 \
+ << (FLAGS_MODE_SHIFT - 1))
+#define FLAGS_MODE_SHA224 (SHA_REG_MODE_ALGO_SHA2_224 \
+ << (FLAGS_MODE_SHIFT - 1))
+#define FLAGS_MODE_SHA256 (SHA_REG_MODE_ALGO_SHA2_256 \
+ << (FLAGS_MODE_SHIFT - 1))
+#define FLAGS_HMAC 20
+#define FLAGS_ERROR 21
+
+#define OP_UPDATE 1
+#define OP_FINAL 2
#define OMAP_ALIGN_MASK (sizeof(u32)-1)
#define OMAP_ALIGNED __attribute__((aligned(sizeof(u32))))
-#define BUFLEN PAGE_SIZE
+#define BUFLEN PAGE_SIZE
struct omap_sham_dev;
@@ -102,7 +145,7 @@ struct omap_sham_reqctx {
unsigned long flags;
unsigned long op;
- u8 digest[SHA1_DIGEST_SIZE] OMAP_ALIGNED;
+ u8 digest[SHA256_DIGEST_SIZE] OMAP_ALIGNED;
size_t digcnt;
size_t bufcnt;
size_t buflen;
@@ -110,6 +153,7 @@ struct omap_sham_reqctx {
/* walk state */
struct scatterlist *sg;
+ struct scatterlist sgl;
unsigned int offset; /* offset in current sg */
unsigned int total; /* total request */
@@ -118,8 +162,8 @@ struct omap_sham_reqctx {
struct omap_sham_hmac_ctx {
struct crypto_shash *shash;
- u8 ipad[SHA1_MD5_BLOCK_SIZE];
- u8 opad[SHA1_MD5_BLOCK_SIZE];
+ u8 ipad[SHA1_MD5_BLOCK_SIZE] OMAP_ALIGNED;
+ u8 opad[SHA1_MD5_BLOCK_SIZE] OMAP_ALIGNED;
};
struct omap_sham_ctx {
@@ -135,22 +179,56 @@ struct omap_sham_ctx {
#define OMAP_SHAM_QUEUE_LENGTH 1
+struct omap_sham_algs_info {
+ struct ahash_alg *algs_list;
+ unsigned int size;
+ unsigned int registered;
+};
+
+struct omap_sham_pdata {
+ struct omap_sham_algs_info *algs_info;
+ unsigned int algs_info_size;
+ unsigned long flags;
+ int digest_size;
+
+ void (*copy_hash)(struct ahash_request *req, int out);
+ void (*write_ctrl)(struct omap_sham_dev *dd, size_t length,
+ int final, int dma);
+ void (*trigger)(struct omap_sham_dev *dd, size_t length);
+ int (*poll_irq)(struct omap_sham_dev *dd);
+ irqreturn_t (*intr_hdlr)(int irq, void *dev_id);
+
+ u32 odigest_ofs;
+ u32 idigest_ofs;
+ u32 din_ofs;
+ u32 digcnt_ofs;
+ u32 rev_ofs;
+ u32 mask_ofs;
+ u32 sysstatus_ofs;
+
+ u32 major_mask;
+ u32 major_shift;
+ u32 minor_mask;
+ u32 minor_shift;
+};
+
struct omap_sham_dev {
struct list_head list;
unsigned long phys_base;
struct device *dev;
void __iomem *io_base;
int irq;
- struct clk *iclk;
spinlock_t lock;
int err;
- int dma;
- int dma_lch;
+ unsigned int dma;
+ struct dma_chan *dma_lch;
struct tasklet_struct done_task;
unsigned long flags;
struct crypto_queue queue;
struct ahash_request *req;
+
+ const struct omap_sham_pdata *pdata;
};
struct omap_sham_drv {
@@ -198,21 +276,44 @@ static inline int omap_sham_wait(struct omap_sham_dev *dd, u32 offset, u32 bit)
return 0;
}
-static void omap_sham_copy_hash(struct ahash_request *req, int out)
+static void omap_sham_copy_hash_omap2(struct ahash_request *req, int out)
{
struct omap_sham_reqctx *ctx = ahash_request_ctx(req);
+ struct omap_sham_dev *dd = ctx->dd;
u32 *hash = (u32 *)ctx->digest;
int i;
- /* MD5 is almost unused. So copy sha1 size to reduce code */
- for (i = 0; i < SHA1_DIGEST_SIZE / sizeof(u32); i++) {
+ for (i = 0; i < dd->pdata->digest_size / sizeof(u32); i++) {
if (out)
- hash[i] = omap_sham_read(ctx->dd,
- SHA_REG_DIGEST(i));
+ hash[i] = omap_sham_read(dd, SHA_REG_IDIGEST(dd, i));
else
- omap_sham_write(ctx->dd,
- SHA_REG_DIGEST(i), hash[i]);
+ omap_sham_write(dd, SHA_REG_IDIGEST(dd, i), hash[i]);
+ }
+}
+
+static void omap_sham_copy_hash_omap4(struct ahash_request *req, int out)
+{
+ struct omap_sham_reqctx *ctx = ahash_request_ctx(req);
+ struct omap_sham_dev *dd = ctx->dd;
+ int i;
+
+ if (ctx->flags & BIT(FLAGS_HMAC)) {
+ struct crypto_ahash *tfm = crypto_ahash_reqtfm(dd->req);
+ struct omap_sham_ctx *tctx = crypto_ahash_ctx(tfm);
+ struct omap_sham_hmac_ctx *bctx = tctx->base;
+ u32 *opad = (u32 *)bctx->opad;
+
+ for (i = 0; i < dd->pdata->digest_size / sizeof(u32); i++) {
+ if (out)
+ opad[i] = omap_sham_read(dd,
+ SHA_REG_ODIGEST(i));
+ else
+ omap_sham_write(dd, SHA_REG_ODIGEST(i),
+ opad[i]);
+ }
}
+
+ omap_sham_copy_hash_omap2(req, out);
}
static void omap_sham_copy_ready_hash(struct ahash_request *req)
@@ -220,34 +321,44 @@ static void omap_sham_copy_ready_hash(struct ahash_request *req)
struct omap_sham_reqctx *ctx = ahash_request_ctx(req);
u32 *in = (u32 *)ctx->digest;
u32 *hash = (u32 *)req->result;
- int i;
+ int i, d, big_endian = 0;
if (!hash)
return;
- if (likely(ctx->flags & BIT(FLAGS_SHA1))) {
- /* SHA1 results are in big endian */
- for (i = 0; i < SHA1_DIGEST_SIZE / sizeof(u32); i++)
+ switch (ctx->flags & FLAGS_MODE_MASK) {
+ case FLAGS_MODE_MD5:
+ d = MD5_DIGEST_SIZE / sizeof(u32);
+ break;
+ case FLAGS_MODE_SHA1:
+ /* OMAP2 SHA1 is big endian */
+ if (test_bit(FLAGS_BE32_SHA1, &ctx->dd->flags))
+ big_endian = 1;
+ d = SHA1_DIGEST_SIZE / sizeof(u32);
+ break;
+ case FLAGS_MODE_SHA224:
+ d = SHA224_DIGEST_SIZE / sizeof(u32);
+ break;
+ case FLAGS_MODE_SHA256:
+ d = SHA256_DIGEST_SIZE / sizeof(u32);
+ break;
+ default:
+ d = 0;
+ }
+
+ if (big_endian)
+ for (i = 0; i < d; i++)
hash[i] = be32_to_cpu(in[i]);
- } else {
- /* MD5 results are in little endian */
- for (i = 0; i < MD5_DIGEST_SIZE / sizeof(u32); i++)
+ else
+ for (i = 0; i < d; i++)
hash[i] = le32_to_cpu(in[i]);
- }
}
static int omap_sham_hw_init(struct omap_sham_dev *dd)
{
- clk_enable(dd->iclk);
+ pm_runtime_get_sync(dd->dev);
if (!test_bit(FLAGS_INIT, &dd->flags)) {
- omap_sham_write_mask(dd, SHA_REG_MASK,
- SHA_REG_MASK_SOFTRESET, SHA_REG_MASK_SOFTRESET);
-
- if (omap_sham_wait(dd, SHA_REG_SYSSTATUS,
- SHA_REG_SYSSTATUS_RESETDONE))
- return -ETIMEDOUT;
-
set_bit(FLAGS_INIT, &dd->flags);
dd->err = 0;
}
@@ -255,23 +366,23 @@ static int omap_sham_hw_init(struct omap_sham_dev *dd)
return 0;
}
-static void omap_sham_write_ctrl(struct omap_sham_dev *dd, size_t length,
+static void omap_sham_write_ctrl_omap2(struct omap_sham_dev *dd, size_t length,
int final, int dma)
{
struct omap_sham_reqctx *ctx = ahash_request_ctx(dd->req);
u32 val = length << 5, mask;
if (likely(ctx->digcnt))
- omap_sham_write(dd, SHA_REG_DIGCNT, ctx->digcnt);
+ omap_sham_write(dd, SHA_REG_DIGCNT(dd), ctx->digcnt);
- omap_sham_write_mask(dd, SHA_REG_MASK,
+ omap_sham_write_mask(dd, SHA_REG_MASK(dd),
SHA_REG_MASK_IT_EN | (dma ? SHA_REG_MASK_DMA_EN : 0),
SHA_REG_MASK_IT_EN | SHA_REG_MASK_DMA_EN);
/*
* Setting ALGO_CONST only for the first iteration
* and CLOSE_HASH only for the last one.
*/
- if (ctx->flags & BIT(FLAGS_SHA1))
+ if ((ctx->flags & FLAGS_MODE_MASK) == FLAGS_MODE_SHA1)
val |= SHA_REG_CTRL_ALGO;
if (!ctx->digcnt)
val |= SHA_REG_CTRL_ALGO_CONST;
@@ -284,6 +395,81 @@ static void omap_sham_write_ctrl(struct omap_sham_dev *dd, size_t length,
omap_sham_write_mask(dd, SHA_REG_CTRL, val, mask);
}
+static void omap_sham_trigger_omap2(struct omap_sham_dev *dd, size_t length)
+{
+}
+
+static int omap_sham_poll_irq_omap2(struct omap_sham_dev *dd)
+{
+ return omap_sham_wait(dd, SHA_REG_CTRL, SHA_REG_CTRL_INPUT_READY);
+}
+
+static void omap_sham_write_n(struct omap_sham_dev *dd, u32 offset,
+ u32 *value, int count)
+{
+ for (; count--; value++, offset += 4)
+ omap_sham_write(dd, offset, *value);
+}
+
+static void omap_sham_write_ctrl_omap4(struct omap_sham_dev *dd, size_t length,
+ int final, int dma)
+{
+ struct omap_sham_reqctx *ctx = ahash_request_ctx(dd->req);
+ u32 val, mask;
+
+ /*
+ * Setting ALGO_CONST only for the first iteration and
+ * CLOSE_HASH only for the last one. Note that flags mode bits
+ * correspond to algorithm encoding in mode register.
+ */
+ val = (ctx->flags & FLAGS_MODE_MASK) >> (FLAGS_MODE_SHIFT - 1);
+ if (!ctx->digcnt) {
+ struct crypto_ahash *tfm = crypto_ahash_reqtfm(dd->req);
+ struct omap_sham_ctx *tctx = crypto_ahash_ctx(tfm);
+ struct omap_sham_hmac_ctx *bctx = tctx->base;
+
+ val |= SHA_REG_MODE_ALGO_CONSTANT;
+
+ if (ctx->flags & BIT(FLAGS_HMAC)) {
+ val |= SHA_REG_MODE_HMAC_KEY_PROC;
+ omap_sham_write_n(dd, SHA_REG_ODIGEST(0),
+ (u32 *)bctx->ipad,
+ SHA1_BLOCK_SIZE / sizeof(u32));
+ ctx->digcnt += SHA1_BLOCK_SIZE;
+ }
+ }
+
+ if (final) {
+ val |= SHA_REG_MODE_CLOSE_HASH;
+
+ if (ctx->flags & BIT(FLAGS_HMAC))
+ val |= SHA_REG_MODE_HMAC_OUTER_HASH;
+ }
+
+ mask = SHA_REG_MODE_ALGO_CONSTANT | SHA_REG_MODE_CLOSE_HASH |
+ SHA_REG_MODE_ALGO_MASK | SHA_REG_MODE_HMAC_OUTER_HASH |
+ SHA_REG_MODE_HMAC_KEY_PROC;
+
+ dev_dbg(dd->dev, "ctrl: %08x, flags: %08lx\n", val, ctx->flags);
+ omap_sham_write_mask(dd, SHA_REG_MODE, val, mask);
+ omap_sham_write(dd, SHA_REG_IRQENA, SHA_REG_IRQENA_OUTPUT_RDY);
+ omap_sham_write_mask(dd, SHA_REG_MASK(dd),
+ SHA_REG_MASK_IT_EN |
+ (dma ? SHA_REG_MASK_DMA_EN : 0),
+ SHA_REG_MASK_IT_EN | SHA_REG_MASK_DMA_EN);
+}
+
+static void omap_sham_trigger_omap4(struct omap_sham_dev *dd, size_t length)
+{
+ omap_sham_write(dd, SHA_REG_LENGTH, length);
+}
+
+static int omap_sham_poll_irq_omap4(struct omap_sham_dev *dd)
+{
+ return omap_sham_wait(dd, SHA_REG_IRQSTATUS,
+ SHA_REG_IRQSTATUS_INPUT_RDY);
+}
+
static int omap_sham_xmit_cpu(struct omap_sham_dev *dd, const u8 *buf,
size_t length, int final)
{
@@ -294,12 +480,13 @@ static int omap_sham_xmit_cpu(struct omap_sham_dev *dd, const u8 *buf,
dev_dbg(dd->dev, "xmit_cpu: digcnt: %d, length: %d, final: %d\n",
ctx->digcnt, length, final);
- omap_sham_write_ctrl(dd, length, final, 0);
+ dd->pdata->write_ctrl(dd, length, final, 0);
+ dd->pdata->trigger(dd, length);
/* should be non-zero before next lines to disable clocks later */
ctx->digcnt += length;
- if (omap_sham_wait(dd, SHA_REG_CTRL, SHA_REG_CTRL_INPUT_READY))
+ if (dd->pdata->poll_irq(dd))
return -ETIMEDOUT;
if (final)
@@ -310,30 +497,73 @@ static int omap_sham_xmit_cpu(struct omap_sham_dev *dd, const u8 *buf,
len32 = DIV_ROUND_UP(length, sizeof(u32));
for (count = 0; count < len32; count++)
- omap_sham_write(dd, SHA_REG_DIN(count), buffer[count]);
+ omap_sham_write(dd, SHA_REG_DIN(dd, count), buffer[count]);
return -EINPROGRESS;
}
+static void omap_sham_dma_callback(void *param)
+{
+ struct omap_sham_dev *dd = param;
+
+ set_bit(FLAGS_DMA_READY, &dd->flags);
+ tasklet_schedule(&dd->done_task);
+}
+
static int omap_sham_xmit_dma(struct omap_sham_dev *dd, dma_addr_t dma_addr,
- size_t length, int final)
+ size_t length, int final, int is_sg)
{
struct omap_sham_reqctx *ctx = ahash_request_ctx(dd->req);
- int len32;
+ struct dma_async_tx_descriptor *tx;
+ struct dma_slave_config cfg;
+ int len32, ret;
dev_dbg(dd->dev, "xmit_dma: digcnt: %d, length: %d, final: %d\n",
ctx->digcnt, length, final);
- len32 = DIV_ROUND_UP(length, sizeof(u32));
+ memset(&cfg, 0, sizeof(cfg));
+
+ cfg.dst_addr = dd->phys_base + SHA_REG_DIN(dd, 0);
+ cfg.dst_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
+ cfg.dst_maxburst = DST_MAXBURST;
+
+ ret = dmaengine_slave_config(dd->dma_lch, &cfg);
+ if (ret) {
+ pr_err("omap-sham: can't configure dmaengine slave: %d\n", ret);
+ return ret;
+ }
+
+ len32 = DIV_ROUND_UP(length, DMA_MIN) * DMA_MIN;
+
+ if (is_sg) {
+ /*
+ * The SG entry passed in may not have the 'length' member
+ * set correctly so use a local SG entry (sgl) with the
+ * proper value for 'length' instead. If this is not done,
+ * the dmaengine may try to DMA the incorrect amount of data.
+ */
+ sg_init_table(&ctx->sgl, 1);
+ ctx->sgl.page_link = ctx->sg->page_link;
+ ctx->sgl.offset = ctx->sg->offset;
+ sg_dma_len(&ctx->sgl) = len32;
+ sg_dma_address(&ctx->sgl) = sg_dma_address(ctx->sg);
+
+ tx = dmaengine_prep_slave_sg(dd->dma_lch, &ctx->sgl, 1,
+ DMA_MEM_TO_DEV, DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
+ } else {
+ tx = dmaengine_prep_slave_single(dd->dma_lch, dma_addr, len32,
+ DMA_MEM_TO_DEV, DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
+ }
- omap_set_dma_transfer_params(dd->dma_lch, OMAP_DMA_DATA_TYPE_S32, len32,
- 1, OMAP_DMA_SYNC_PACKET, dd->dma,
- OMAP_DMA_DST_SYNC_PREFETCH);
+ if (!tx) {
+ dev_err(dd->dev, "prep_slave_sg/single() failed\n");
+ return -EINVAL;
+ }
- omap_set_dma_src_params(dd->dma_lch, 0, OMAP_DMA_AMODE_POST_INC,
- dma_addr, 0, 0);
+ tx->callback = omap_sham_dma_callback;
+ tx->callback_param = dd;
- omap_sham_write_ctrl(dd, length, final, 1);
+ dd->pdata->write_ctrl(dd, length, final, 1);
ctx->digcnt += length;
@@ -342,7 +572,10 @@ static int omap_sham_xmit_dma(struct omap_sham_dev *dd, dma_addr_t dma_addr,
set_bit(FLAGS_DMA_ACTIVE, &dd->flags);
- omap_start_dma(dd->dma_lch);
+ dmaengine_submit(tx);
+ dma_async_issue_pending(dd->dma_lch);
+
+ dd->pdata->trigger(dd, length);
return -EINPROGRESS;
}
@@ -389,6 +622,8 @@ static int omap_sham_xmit_dma_map(struct omap_sham_dev *dd,
struct omap_sham_reqctx *ctx,
size_t length, int final)
{
+ int ret;
+
ctx->dma_addr = dma_map_single(dd->dev, ctx->buffer, ctx->buflen,
DMA_TO_DEVICE);
if (dma_mapping_error(dd->dev, ctx->dma_addr)) {
@@ -398,8 +633,12 @@ static int omap_sham_xmit_dma_map(struct omap_sham_dev *dd,
ctx->flags &= ~BIT(FLAGS_SG);
- /* next call does not fail... so no unmap in the case of error */
- return omap_sham_xmit_dma(dd, ctx->dma_addr, length, final);
+ ret = omap_sham_xmit_dma(dd, ctx->dma_addr, length, final, 0);
+ if (ret != -EINPROGRESS)
+ dma_unmap_single(dd->dev, ctx->dma_addr, ctx->buflen,
+ DMA_TO_DEVICE);
+
+ return ret;
}
static int omap_sham_update_dma_slow(struct omap_sham_dev *dd)
@@ -434,6 +673,7 @@ static int omap_sham_update_dma_start(struct omap_sham_dev *dd)
struct omap_sham_reqctx *ctx = ahash_request_ctx(dd->req);
unsigned int length, final, tail;
struct scatterlist *sg;
+ int ret;
if (!ctx->total)
return 0;
@@ -441,6 +681,15 @@ static int omap_sham_update_dma_start(struct omap_sham_dev *dd)
if (ctx->bufcnt || ctx->offset)
return omap_sham_update_dma_slow(dd);
+ /*
+ * Don't use the sg interface when the transfer size is less
+ * than the number of elements in a DMA frame. Otherwise,
+ * the dmaengine infrastructure will calculate that it needs
+ * to transfer 0 frames which ultimately fails.
+ */
+ if (ctx->total < (DST_MAXBURST * sizeof(u32)))
+ return omap_sham_update_dma_slow(dd);
+
dev_dbg(dd->dev, "fast: digcnt: %d, bufcnt: %u, total: %u\n",
ctx->digcnt, ctx->bufcnt, ctx->total);
@@ -478,8 +727,11 @@ static int omap_sham_update_dma_start(struct omap_sham_dev *dd)
final = (ctx->flags & BIT(FLAGS_FINUP)) && !ctx->total;
- /* next call does not fail... so no unmap in the case of error */
- return omap_sham_xmit_dma(dd, sg_dma_address(ctx->sg), length, final);
+ ret = omap_sham_xmit_dma(dd, sg_dma_address(ctx->sg), length, final, 1);
+ if (ret != -EINPROGRESS)
+ dma_unmap_sg(dd->dev, ctx->sg, 1, DMA_TO_DEVICE);
+
+ return ret;
}
static int omap_sham_update_cpu(struct omap_sham_dev *dd)
@@ -498,7 +750,8 @@ static int omap_sham_update_dma_stop(struct omap_sham_dev *dd)
{
struct omap_sham_reqctx *ctx = ahash_request_ctx(dd->req);
- omap_stop_dma(dd->dma_lch);
+ dmaengine_terminate_all(dd->dma_lch);
+
if (ctx->flags & BIT(FLAGS_SG)) {
dma_unmap_sg(dd->dev, ctx->sg, 1, DMA_TO_DEVICE);
if (ctx->sg->length == ctx->offset) {
@@ -540,18 +793,33 @@ static int omap_sham_init(struct ahash_request *req)
dev_dbg(dd->dev, "init: digest size: %d\n",
crypto_ahash_digestsize(tfm));
- if (crypto_ahash_digestsize(tfm) == SHA1_DIGEST_SIZE)
- ctx->flags |= BIT(FLAGS_SHA1);
+ switch (crypto_ahash_digestsize(tfm)) {
+ case MD5_DIGEST_SIZE:
+ ctx->flags |= FLAGS_MODE_MD5;
+ break;
+ case SHA1_DIGEST_SIZE:
+ ctx->flags |= FLAGS_MODE_SHA1;
+ break;
+ case SHA224_DIGEST_SIZE:
+ ctx->flags |= FLAGS_MODE_SHA224;
+ break;
+ case SHA256_DIGEST_SIZE:
+ ctx->flags |= FLAGS_MODE_SHA256;
+ break;
+ }
ctx->bufcnt = 0;
ctx->digcnt = 0;
ctx->buflen = BUFLEN;
if (tctx->flags & BIT(FLAGS_HMAC)) {
- struct omap_sham_hmac_ctx *bctx = tctx->base;
+ if (!test_bit(FLAGS_AUTO_XOR, &dd->flags)) {
+ struct omap_sham_hmac_ctx *bctx = tctx->base;
+
+ memcpy(ctx->buffer, bctx->ipad, SHA1_MD5_BLOCK_SIZE);
+ ctx->bufcnt = SHA1_MD5_BLOCK_SIZE;
+ }
- memcpy(ctx->buffer, bctx->ipad, SHA1_MD5_BLOCK_SIZE);
- ctx->bufcnt = SHA1_MD5_BLOCK_SIZE;
ctx->flags |= BIT(FLAGS_HMAC);
}
@@ -585,7 +853,7 @@ static int omap_sham_final_req(struct omap_sham_dev *dd)
struct omap_sham_reqctx *ctx = ahash_request_ctx(req);
int err = 0, use_dma = 1;
- if (ctx->bufcnt <= 64)
+ if (ctx->bufcnt <= DMA_MIN)
/* faster to handle last block with cpu */
use_dma = 0;
@@ -628,7 +896,8 @@ static int omap_sham_finish(struct ahash_request *req)
if (ctx->digcnt) {
omap_sham_copy_ready_hash(req);
- if (ctx->flags & BIT(FLAGS_HMAC))
+ if ((ctx->flags & BIT(FLAGS_HMAC)) &&
+ !test_bit(FLAGS_AUTO_XOR, &dd->flags))
err = omap_sham_finish_hmac(req);
}
@@ -643,7 +912,7 @@ static void omap_sham_finish_req(struct ahash_request *req, int err)
struct omap_sham_dev *dd = ctx->dd;
if (!err) {
- omap_sham_copy_hash(req, 1);
+ dd->pdata->copy_hash(req, 1);
if (test_bit(FLAGS_FINAL, &dd->flags))
err = omap_sham_finish(req);
} else {
@@ -653,7 +922,8 @@ static void omap_sham_finish_req(struct ahash_request *req, int err)
/* atomic operation is not needed here */
dd->flags &= ~(BIT(FLAGS_BUSY) | BIT(FLAGS_FINAL) | BIT(FLAGS_CPU) |
BIT(FLAGS_DMA_READY) | BIT(FLAGS_OUTPUT_READY));
- clk_disable(dd->iclk);
+
+ pm_runtime_put_sync(dd->dev);
if (req->base.complete)
req->base.complete(&req->base, err);
@@ -700,19 +970,9 @@ static int omap_sham_handle_queue(struct omap_sham_dev *dd,
if (err)
goto err1;
- omap_set_dma_dest_params(dd->dma_lch, 0,
- OMAP_DMA_AMODE_CONSTANT,
- dd->phys_base + SHA_REG_DIN(0), 0, 16);
-
- omap_set_dma_dest_burst_mode(dd->dma_lch,
- OMAP_DMA_DATA_BURST_16);
-
- omap_set_dma_src_burst_mode(dd->dma_lch,
- OMAP_DMA_DATA_BURST_4);
-
if (ctx->digcnt)
/* request has changed - restore hash */
- omap_sham_copy_hash(req, 0);
+ dd->pdata->copy_hash(req, 0);
if (ctx->op == OP_UPDATE) {
err = omap_sham_update_req(dd);
@@ -851,7 +1111,21 @@ static int omap_sham_setkey(struct crypto_ahash *tfm, const u8 *key,
struct omap_sham_hmac_ctx *bctx = tctx->base;
int bs = crypto_shash_blocksize(bctx->shash);
int ds = crypto_shash_digestsize(bctx->shash);
+ struct omap_sham_dev *dd = NULL, *tmp;
int err, i;
+
+ spin_lock_bh(&sham.lock);
+ if (!tctx->dd) {
+ list_for_each_entry(tmp, &sham.dev_list, list) {
+ dd = tmp;
+ break;
+ }
+ tctx->dd = dd;
+ } else {
+ dd = tctx->dd;
+ }
+ spin_unlock_bh(&sham.lock);
+
err = crypto_shash_setkey(tctx->fallback, key, keylen);
if (err)
return err;
@@ -868,11 +1142,14 @@ static int omap_sham_setkey(struct crypto_ahash *tfm, const u8 *key,
}
memset(bctx->ipad + keylen, 0, bs - keylen);
- memcpy(bctx->opad, bctx->ipad, bs);
- for (i = 0; i < bs; i++) {
- bctx->ipad[i] ^= 0x36;
- bctx->opad[i] ^= 0x5c;
+ if (!test_bit(FLAGS_AUTO_XOR, &dd->flags)) {
+ memcpy(bctx->opad, bctx->ipad, bs);
+
+ for (i = 0; i < bs; i++) {
+ bctx->ipad[i] ^= 0x36;
+ bctx->opad[i] ^= 0x5c;
+ }
}
return err;
@@ -922,6 +1199,16 @@ static int omap_sham_cra_sha1_init(struct crypto_tfm *tfm)
return omap_sham_cra_init_alg(tfm, "sha1");
}
+static int omap_sham_cra_sha224_init(struct crypto_tfm *tfm)
+{
+ return omap_sham_cra_init_alg(tfm, "sha224");
+}
+
+static int omap_sham_cra_sha256_init(struct crypto_tfm *tfm)
+{
+ return omap_sham_cra_init_alg(tfm, "sha256");
+}
+
static int omap_sham_cra_md5_init(struct crypto_tfm *tfm)
{
return omap_sham_cra_init_alg(tfm, "md5");
@@ -940,7 +1227,7 @@ static void omap_sham_cra_exit(struct crypto_tfm *tfm)
}
}
-static struct ahash_alg algs[] = {
+static struct ahash_alg algs_sha1_md5[] = {
{
.init = omap_sham_init,
.update = omap_sham_update,
@@ -1039,6 +1326,102 @@ static struct ahash_alg algs[] = {
}
};
+/* OMAP4 has some algs in addition to what OMAP2 has */
+static struct ahash_alg algs_sha224_sha256[] = {
+{
+ .init = omap_sham_init,
+ .update = omap_sham_update,
+ .final = omap_sham_final,
+ .finup = omap_sham_finup,
+ .digest = omap_sham_digest,
+ .halg.digestsize = SHA224_DIGEST_SIZE,
+ .halg.base = {
+ .cra_name = "sha224",
+ .cra_driver_name = "omap-sha224",
+ .cra_priority = 100,
+ .cra_flags = CRYPTO_ALG_TYPE_AHASH |
+ CRYPTO_ALG_ASYNC |
+ CRYPTO_ALG_NEED_FALLBACK,
+ .cra_blocksize = SHA224_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct omap_sham_ctx),
+ .cra_alignmask = 0,
+ .cra_module = THIS_MODULE,
+ .cra_init = omap_sham_cra_init,
+ .cra_exit = omap_sham_cra_exit,
+ }
+},
+{
+ .init = omap_sham_init,
+ .update = omap_sham_update,
+ .final = omap_sham_final,
+ .finup = omap_sham_finup,
+ .digest = omap_sham_digest,
+ .halg.digestsize = SHA256_DIGEST_SIZE,
+ .halg.base = {
+ .cra_name = "sha256",
+ .cra_driver_name = "omap-sha256",
+ .cra_priority = 100,
+ .cra_flags = CRYPTO_ALG_TYPE_AHASH |
+ CRYPTO_ALG_ASYNC |
+ CRYPTO_ALG_NEED_FALLBACK,
+ .cra_blocksize = SHA256_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct omap_sham_ctx),
+ .cra_alignmask = 0,
+ .cra_module = THIS_MODULE,
+ .cra_init = omap_sham_cra_init,
+ .cra_exit = omap_sham_cra_exit,
+ }
+},
+{
+ .init = omap_sham_init,
+ .update = omap_sham_update,
+ .final = omap_sham_final,
+ .finup = omap_sham_finup,
+ .digest = omap_sham_digest,
+ .setkey = omap_sham_setkey,
+ .halg.digestsize = SHA224_DIGEST_SIZE,
+ .halg.base = {
+ .cra_name = "hmac(sha224)",
+ .cra_driver_name = "omap-hmac-sha224",
+ .cra_priority = 100,
+ .cra_flags = CRYPTO_ALG_TYPE_AHASH |
+ CRYPTO_ALG_ASYNC |
+ CRYPTO_ALG_NEED_FALLBACK,
+ .cra_blocksize = SHA224_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct omap_sham_ctx) +
+ sizeof(struct omap_sham_hmac_ctx),
+ .cra_alignmask = OMAP_ALIGN_MASK,
+ .cra_module = THIS_MODULE,
+ .cra_init = omap_sham_cra_sha224_init,
+ .cra_exit = omap_sham_cra_exit,
+ }
+},
+{
+ .init = omap_sham_init,
+ .update = omap_sham_update,
+ .final = omap_sham_final,
+ .finup = omap_sham_finup,
+ .digest = omap_sham_digest,
+ .setkey = omap_sham_setkey,
+ .halg.digestsize = SHA256_DIGEST_SIZE,
+ .halg.base = {
+ .cra_name = "hmac(sha256)",
+ .cra_driver_name = "omap-hmac-sha256",
+ .cra_priority = 100,
+ .cra_flags = CRYPTO_ALG_TYPE_AHASH |
+ CRYPTO_ALG_ASYNC |
+ CRYPTO_ALG_NEED_FALLBACK,
+ .cra_blocksize = SHA256_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct omap_sham_ctx) +
+ sizeof(struct omap_sham_hmac_ctx),
+ .cra_alignmask = OMAP_ALIGN_MASK,
+ .cra_module = THIS_MODULE,
+ .cra_init = omap_sham_cra_sha256_init,
+ .cra_exit = omap_sham_cra_exit,
+ }
+},
+};
+
static void omap_sham_done_task(unsigned long data)
{
struct omap_sham_dev *dd = (struct omap_sham_dev *)data;
@@ -1077,7 +1460,19 @@ finish:
omap_sham_finish_req(dd->req, err);
}
-static irqreturn_t omap_sham_irq(int irq, void *dev_id)
+static irqreturn_t omap_sham_irq_common(struct omap_sham_dev *dd)
+{
+ if (!test_bit(FLAGS_BUSY, &dd->flags)) {
+ dev_warn(dd->dev, "Interrupt when no active requests.\n");
+ } else {
+ set_bit(FLAGS_OUTPUT_READY, &dd->flags);
+ tasklet_schedule(&dd->done_task);
+ }
+
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t omap_sham_irq_omap2(int irq, void *dev_id)
{
struct omap_sham_dev *dd = dev_id;
@@ -1089,61 +1484,188 @@ static irqreturn_t omap_sham_irq(int irq, void *dev_id)
SHA_REG_CTRL_OUTPUT_READY);
omap_sham_read(dd, SHA_REG_CTRL);
- if (!test_bit(FLAGS_BUSY, &dd->flags)) {
- dev_warn(dd->dev, "Interrupt when no active requests.\n");
- return IRQ_HANDLED;
- }
+ return omap_sham_irq_common(dd);
+}
- set_bit(FLAGS_OUTPUT_READY, &dd->flags);
- tasklet_schedule(&dd->done_task);
+static irqreturn_t omap_sham_irq_omap4(int irq, void *dev_id)
+{
+ struct omap_sham_dev *dd = dev_id;
- return IRQ_HANDLED;
+ omap_sham_write_mask(dd, SHA_REG_MASK(dd), 0, SHA_REG_MASK_IT_EN);
+
+ return omap_sham_irq_common(dd);
}
-static void omap_sham_dma_callback(int lch, u16 ch_status, void *data)
+static struct omap_sham_algs_info omap_sham_algs_info_omap2[] = {
+ {
+ .algs_list = algs_sha1_md5,
+ .size = ARRAY_SIZE(algs_sha1_md5),
+ },
+};
+
+static const struct omap_sham_pdata omap_sham_pdata_omap2 = {
+ .algs_info = omap_sham_algs_info_omap2,
+ .algs_info_size = ARRAY_SIZE(omap_sham_algs_info_omap2),
+ .flags = BIT(FLAGS_BE32_SHA1),
+ .digest_size = SHA1_DIGEST_SIZE,
+ .copy_hash = omap_sham_copy_hash_omap2,
+ .write_ctrl = omap_sham_write_ctrl_omap2,
+ .trigger = omap_sham_trigger_omap2,
+ .poll_irq = omap_sham_poll_irq_omap2,
+ .intr_hdlr = omap_sham_irq_omap2,
+ .idigest_ofs = 0x00,
+ .din_ofs = 0x1c,
+ .digcnt_ofs = 0x14,
+ .rev_ofs = 0x5c,
+ .mask_ofs = 0x60,
+ .sysstatus_ofs = 0x64,
+ .major_mask = 0xf0,
+ .major_shift = 4,
+ .minor_mask = 0x0f,
+ .minor_shift = 0,
+};
+
+#ifdef CONFIG_OF
+static struct omap_sham_algs_info omap_sham_algs_info_omap4[] = {
+ {
+ .algs_list = algs_sha1_md5,
+ .size = ARRAY_SIZE(algs_sha1_md5),
+ },
+ {
+ .algs_list = algs_sha224_sha256,
+ .size = ARRAY_SIZE(algs_sha224_sha256),
+ },
+};
+
+static const struct omap_sham_pdata omap_sham_pdata_omap4 = {
+ .algs_info = omap_sham_algs_info_omap4,
+ .algs_info_size = ARRAY_SIZE(omap_sham_algs_info_omap4),
+ .flags = BIT(FLAGS_AUTO_XOR),
+ .digest_size = SHA256_DIGEST_SIZE,
+ .copy_hash = omap_sham_copy_hash_omap4,
+ .write_ctrl = omap_sham_write_ctrl_omap4,
+ .trigger = omap_sham_trigger_omap4,
+ .poll_irq = omap_sham_poll_irq_omap4,
+ .intr_hdlr = omap_sham_irq_omap4,
+ .idigest_ofs = 0x020,
+ .din_ofs = 0x080,
+ .digcnt_ofs = 0x040,
+ .rev_ofs = 0x100,
+ .mask_ofs = 0x110,
+ .sysstatus_ofs = 0x114,
+ .major_mask = 0x0700,
+ .major_shift = 8,
+ .minor_mask = 0x003f,
+ .minor_shift = 0,
+};
+
+static const struct of_device_id omap_sham_of_match[] = {
+ {
+ .compatible = "ti,omap2-sham",
+ .data = &omap_sham_pdata_omap2,
+ },
+ {
+ .compatible = "ti,omap4-sham",
+ .data = &omap_sham_pdata_omap4,
+ },
+ {},
+};
+MODULE_DEVICE_TABLE(of, omap_sham_of_match);
+
+static int omap_sham_get_res_of(struct omap_sham_dev *dd,
+ struct device *dev, struct resource *res)
{
- struct omap_sham_dev *dd = data;
+ struct device_node *node = dev->of_node;
+ const struct of_device_id *match;
+ int err = 0;
- if (ch_status != OMAP_DMA_BLOCK_IRQ) {
- pr_err("omap-sham DMA error status: 0x%hx\n", ch_status);
- dd->err = -EIO;
- clear_bit(FLAGS_INIT, &dd->flags);/* request to re-initialize */
+ match = of_match_device(of_match_ptr(omap_sham_of_match), dev);
+ if (!match) {
+ dev_err(dev, "no compatible OF match\n");
+ err = -EINVAL;
+ goto err;
}
- set_bit(FLAGS_DMA_READY, &dd->flags);
- tasklet_schedule(&dd->done_task);
+ err = of_address_to_resource(node, 0, res);
+ if (err < 0) {
+ dev_err(dev, "can't translate OF node address\n");
+ err = -EINVAL;
+ goto err;
+ }
+
+ dd->irq = of_irq_to_resource(node, 0, NULL);
+ if (!dd->irq) {
+ dev_err(dev, "can't translate OF irq value\n");
+ err = -EINVAL;
+ goto err;
+ }
+
+ dd->dma = -1; /* Dummy value that's unused */
+ dd->pdata = match->data;
+
+err:
+ return err;
}
+#else
+static const struct of_device_id omap_sham_of_match[] = {
+ {},
+};
-static int omap_sham_dma_init(struct omap_sham_dev *dd)
+static int omap_sham_get_res_of(struct omap_sham_dev *dd,
+ struct device *dev, struct resource *res)
{
- int err;
+ return -EINVAL;
+}
+#endif
- dd->dma_lch = -1;
+static int omap_sham_get_res_pdev(struct omap_sham_dev *dd,
+ struct platform_device *pdev, struct resource *res)
+{
+ struct device *dev = &pdev->dev;
+ struct resource *r;
+ int err = 0;
- err = omap_request_dma(dd->dma, dev_name(dd->dev),
- omap_sham_dma_callback, dd, &dd->dma_lch);
- if (err) {
- dev_err(dd->dev, "Unable to request DMA channel\n");
- return err;
+ /* Get the base address */
+ r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!r) {
+ dev_err(dev, "no MEM resource info\n");
+ err = -ENODEV;
+ goto err;
}
+ memcpy(res, r, sizeof(*res));
- return 0;
-}
+ /* Get the IRQ */
+ dd->irq = platform_get_irq(pdev, 0);
+ if (dd->irq < 0) {
+ dev_err(dev, "no IRQ resource info\n");
+ err = dd->irq;
+ goto err;
+ }
-static void omap_sham_dma_cleanup(struct omap_sham_dev *dd)
-{
- if (dd->dma_lch >= 0) {
- omap_free_dma(dd->dma_lch);
- dd->dma_lch = -1;
+ /* Get the DMA */
+ r = platform_get_resource(pdev, IORESOURCE_DMA, 0);
+ if (!r) {
+ dev_err(dev, "no DMA resource info\n");
+ err = -ENODEV;
+ goto err;
}
+ dd->dma = r->start;
+
+ /* Only OMAP2/3 can be non-DT */
+ dd->pdata = &omap_sham_pdata_omap2;
+
+err:
+ return err;
}
-static int __devinit omap_sham_probe(struct platform_device *pdev)
+static int omap_sham_probe(struct platform_device *pdev)
{
struct omap_sham_dev *dd;
struct device *dev = &pdev->dev;
- struct resource *res;
+ struct resource res;
+ dma_cap_mask_t mask;
int err, i, j;
+ u32 rev;
dd = kzalloc(sizeof(struct omap_sham_dev), GFP_KERNEL);
if (dd == NULL) {
@@ -1159,89 +1681,75 @@ static int __devinit omap_sham_probe(struct platform_device *pdev)
tasklet_init(&dd->done_task, omap_sham_done_task, (unsigned long)dd);
crypto_init_queue(&dd->queue, OMAP_SHAM_QUEUE_LENGTH);
- dd->irq = -1;
-
- /* Get the base address */
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!res) {
- dev_err(dev, "no MEM resource info\n");
- err = -ENODEV;
- goto res_err;
- }
- dd->phys_base = res->start;
-
- /* Get the DMA */
- res = platform_get_resource(pdev, IORESOURCE_DMA, 0);
- if (!res) {
- dev_err(dev, "no DMA resource info\n");
- err = -ENODEV;
+ err = (dev->of_node) ? omap_sham_get_res_of(dd, dev, &res) :
+ omap_sham_get_res_pdev(dd, pdev, &res);
+ if (err)
goto res_err;
- }
- dd->dma = res->start;
- /* Get the IRQ */
- dd->irq = platform_get_irq(pdev, 0);
- if (dd->irq < 0) {
- dev_err(dev, "no IRQ resource info\n");
- err = dd->irq;
+ dd->io_base = devm_request_and_ioremap(dev, &res);
+ if (!dd->io_base) {
+ dev_err(dev, "can't ioremap\n");
+ err = -ENOMEM;
goto res_err;
}
+ dd->phys_base = res.start;
- err = request_irq(dd->irq, omap_sham_irq,
- IRQF_TRIGGER_LOW, dev_name(dev), dd);
+ err = request_irq(dd->irq, dd->pdata->intr_hdlr, IRQF_TRIGGER_LOW,
+ dev_name(dev), dd);
if (err) {
dev_err(dev, "unable to request irq.\n");
goto res_err;
}
- err = omap_sham_dma_init(dd);
- if (err)
- goto dma_err;
+ dma_cap_zero(mask);
+ dma_cap_set(DMA_SLAVE, mask);
- /* Initializing the clock */
- dd->iclk = clk_get(dev, "ick");
- if (IS_ERR(dd->iclk)) {
- dev_err(dev, "clock intialization failed.\n");
- err = PTR_ERR(dd->iclk);
- goto clk_err;
+ dd->dma_lch = dma_request_slave_channel_compat(mask, omap_dma_filter_fn,
+ &dd->dma, dev, "rx");
+ if (!dd->dma_lch) {
+ dev_err(dev, "unable to obtain RX DMA engine channel %u\n",
+ dd->dma);
+ err = -ENXIO;
+ goto dma_err;
}
- dd->io_base = ioremap(dd->phys_base, SZ_4K);
- if (!dd->io_base) {
- dev_err(dev, "can't ioremap\n");
- err = -ENOMEM;
- goto io_err;
- }
+ dd->flags |= dd->pdata->flags;
+
+ pm_runtime_enable(dev);
+ pm_runtime_get_sync(dev);
+ rev = omap_sham_read(dd, SHA_REG_REV(dd));
+ pm_runtime_put_sync(&pdev->dev);
- clk_enable(dd->iclk);
dev_info(dev, "hw accel on OMAP rev %u.%u\n",
- (omap_sham_read(dd, SHA_REG_REV) & SHA_REG_REV_MAJOR) >> 4,
- omap_sham_read(dd, SHA_REG_REV) & SHA_REG_REV_MINOR);
- clk_disable(dd->iclk);
+ (rev & dd->pdata->major_mask) >> dd->pdata->major_shift,
+ (rev & dd->pdata->minor_mask) >> dd->pdata->minor_shift);
spin_lock(&sham.lock);
list_add_tail(&dd->list, &sham.dev_list);
spin_unlock(&sham.lock);
- for (i = 0; i < ARRAY_SIZE(algs); i++) {
- err = crypto_register_ahash(&algs[i]);
- if (err)
- goto err_algs;
+ for (i = 0; i < dd->pdata->algs_info_size; i++) {
+ for (j = 0; j < dd->pdata->algs_info[i].size; j++) {
+ err = crypto_register_ahash(
+ &dd->pdata->algs_info[i].algs_list[j]);
+ if (err)
+ goto err_algs;
+
+ dd->pdata->algs_info[i].registered++;
+ }
}
return 0;
err_algs:
- for (j = 0; j < i; j++)
- crypto_unregister_ahash(&algs[j]);
- iounmap(dd->io_base);
-io_err:
- clk_put(dd->iclk);
-clk_err:
- omap_sham_dma_cleanup(dd);
+ for (i = dd->pdata->algs_info_size - 1; i >= 0; i--)
+ for (j = dd->pdata->algs_info[i].registered - 1; j >= 0; j--)
+ crypto_unregister_ahash(
+ &dd->pdata->algs_info[i].algs_list[j]);
+ pm_runtime_disable(dev);
+ dma_release_channel(dd->dma_lch);
dma_err:
- if (dd->irq >= 0)
- free_irq(dd->irq, dd);
+ free_irq(dd->irq, dd);
res_err:
kfree(dd);
dd = NULL;
@@ -1251,10 +1759,10 @@ data_err:
return err;
}
-static int __devexit omap_sham_remove(struct platform_device *pdev)
+static int omap_sham_remove(struct platform_device *pdev)
{
static struct omap_sham_dev *dd;
- int i;
+ int i, j;
dd = platform_get_drvdata(pdev);
if (!dd)
@@ -1262,40 +1770,51 @@ static int __devexit omap_sham_remove(struct platform_device *pdev)
spin_lock(&sham.lock);
list_del(&dd->list);
spin_unlock(&sham.lock);
- for (i = 0; i < ARRAY_SIZE(algs); i++)
- crypto_unregister_ahash(&algs[i]);
+ for (i = dd->pdata->algs_info_size - 1; i >= 0; i--)
+ for (j = dd->pdata->algs_info[i].registered - 1; j >= 0; j--)
+ crypto_unregister_ahash(
+ &dd->pdata->algs_info[i].algs_list[j]);
tasklet_kill(&dd->done_task);
- iounmap(dd->io_base);
- clk_put(dd->iclk);
- omap_sham_dma_cleanup(dd);
- if (dd->irq >= 0)
- free_irq(dd->irq, dd);
+ pm_runtime_disable(&pdev->dev);
+ dma_release_channel(dd->dma_lch);
+ free_irq(dd->irq, dd);
kfree(dd);
dd = NULL;
return 0;
}
+#ifdef CONFIG_PM_SLEEP
+static int omap_sham_suspend(struct device *dev)
+{
+ pm_runtime_put_sync(dev);
+ return 0;
+}
+
+static int omap_sham_resume(struct device *dev)
+{
+ pm_runtime_get_sync(dev);
+ return 0;
+}
+#endif
+
+static const struct dev_pm_ops omap_sham_pm_ops = {
+ SET_SYSTEM_SLEEP_PM_OPS(omap_sham_suspend, omap_sham_resume)
+};
+
static struct platform_driver omap_sham_driver = {
.probe = omap_sham_probe,
.remove = omap_sham_remove,
.driver = {
.name = "omap-sham",
.owner = THIS_MODULE,
+ .pm = &omap_sham_pm_ops,
+ .of_match_table = omap_sham_of_match,
},
};
static int __init omap_sham_mod_init(void)
{
- pr_info("loading %s driver\n", "omap-sham");
-
- if (!cpu_class_is_omap2() ||
- (omap_type() != OMAP2_DEVICE_TYPE_SEC &&
- omap_type() != OMAP2_DEVICE_TYPE_EMU)) {
- pr_err("Unsupported cpu\n");
- return -ENODEV;
- }
-
return platform_driver_register(&omap_sham_driver);
}
diff --git a/drivers/crypto/picoxcell_crypto.c b/drivers/crypto/picoxcell_crypto.c
index 410a03c..2096d46 100644
--- a/drivers/crypto/picoxcell_crypto.c
+++ b/drivers/crypto/picoxcell_crypto.c
@@ -1708,7 +1708,7 @@ static bool spacc_is_compatible(struct platform_device *pdev,
return false;
}
-static int __devinit spacc_probe(struct platform_device *pdev)
+static int spacc_probe(struct platform_device *pdev)
{
int i, err, ret = -EINVAL;
struct resource *mem, *irq;
@@ -1841,7 +1841,7 @@ static int __devinit spacc_probe(struct platform_device *pdev)
return ret;
}
-static int __devexit spacc_remove(struct platform_device *pdev)
+static int spacc_remove(struct platform_device *pdev)
{
struct spacc_alg *alg, *next;
struct spacc_engine *engine = platform_get_drvdata(pdev);
@@ -1863,11 +1863,12 @@ static int __devexit spacc_remove(struct platform_device *pdev)
static const struct platform_device_id spacc_id_table[] = {
{ "picochip,spacc-ipsec", },
{ "picochip,spacc-l2", },
+ { }
};
static struct platform_driver spacc_driver = {
.probe = spacc_probe,
- .remove = __devexit_p(spacc_remove),
+ .remove = spacc_remove,
.driver = {
.name = "picochip,spacc",
#ifdef CONFIG_PM
diff --git a/drivers/crypto/s5p-sss.c b/drivers/crypto/s5p-sss.c
index a227144..4b31432 100644
--- a/drivers/crypto/s5p-sss.c
+++ b/drivers/crypto/s5p-sss.c
@@ -30,7 +30,7 @@
#include <crypto/ctr.h>
#include <plat/cpu.h>
-#include <plat/dma.h>
+#include <mach/dma.h>
#define _SBF(s, v) ((v) << (s))
#define _BIT(b) _SBF(b, 1)
@@ -580,7 +580,7 @@ static int s5p_aes_probe(struct platform_device *pdev)
resource_size(res), pdev->name))
return -EBUSY;
- pdata->clk = clk_get(dev, "secss");
+ pdata->clk = devm_clk_get(dev, "secss");
if (IS_ERR(pdata->clk)) {
dev_err(dev, "failed to find secss clock source\n");
return -ENOENT;
@@ -645,7 +645,6 @@ static int s5p_aes_probe(struct platform_device *pdev)
err_irq:
clk_disable(pdata->clk);
- clk_put(pdata->clk);
s5p_dev = NULL;
platform_set_drvdata(pdev, NULL);
@@ -667,7 +666,6 @@ static int s5p_aes_remove(struct platform_device *pdev)
tasklet_kill(&pdata->tasklet);
clk_disable(pdata->clk);
- clk_put(pdata->clk);
s5p_dev = NULL;
platform_set_drvdata(pdev, NULL);
diff --git a/drivers/crypto/talitos.c b/drivers/crypto/talitos.c
index da11127..09b184a 100644
--- a/drivers/crypto/talitos.c
+++ b/drivers/crypto/talitos.c
@@ -936,8 +936,7 @@ static int sg_to_link_tbl(struct scatterlist *sg, int sg_count,
sg_count--;
link_tbl_ptr--;
}
- link_tbl_ptr->len = cpu_to_be16(be16_to_cpu(link_tbl_ptr->len)
- + cryptlen);
+ be16_add_cpu(&link_tbl_ptr->len, cryptlen);
/* tag end of link table */
link_tbl_ptr->j_extent = DESC_PTR_LNKTBL_RETURN;
diff --git a/drivers/crypto/tegra-aes.c b/drivers/crypto/tegra-aes.c
index 37185e6..85ea752 100644
--- a/drivers/crypto/tegra-aes.c
+++ b/drivers/crypto/tegra-aes.c
@@ -41,8 +41,6 @@
#include <linux/completion.h>
#include <linux/workqueue.h>
-#include <mach/clk.h>
-
#include <crypto/scatterwalk.h>
#include <crypto/aes.h>
#include <crypto/internal/rng.h>
@@ -674,8 +672,10 @@ static int tegra_aes_get_random(struct crypto_rng *tfm, u8 *rdata,
mutex_lock(&aes_lock);
ret = clk_prepare_enable(dd->aes_clk);
- if (ret)
+ if (ret) {
+ mutex_unlock(&aes_lock);
return ret;
+ }
ctx->dd = dd;
dd->ctx = ctx;
@@ -759,8 +759,10 @@ static int tegra_aes_rng_reset(struct crypto_rng *tfm, u8 *seed,
dd->flags = FLAGS_ENCRYPT | FLAGS_RNG;
ret = clk_prepare_enable(dd->aes_clk);
- if (ret)
+ if (ret) {
+ mutex_unlock(&aes_lock);
return ret;
+ }
aes_set_key(dd);
@@ -1031,7 +1033,7 @@ out:
if (dd->buf_out)
dma_free_coherent(dev, AES_HW_DMA_BUFFER_SIZE_BYTES,
dd->buf_out, dd->dma_buf_out);
- if (IS_ERR(dd->aes_clk))
+ if (!IS_ERR(dd->aes_clk))
clk_put(dd->aes_clk);
if (aes_wq)
destroy_workqueue(aes_wq);
@@ -1045,7 +1047,7 @@ out:
return err;
}
-static int __devexit tegra_aes_remove(struct platform_device *pdev)
+static int tegra_aes_remove(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct tegra_aes_dev *dd = platform_get_drvdata(pdev);
@@ -1072,7 +1074,7 @@ static int __devexit tegra_aes_remove(struct platform_device *pdev)
return 0;
}
-static struct of_device_id tegra_aes_of_match[] __devinitdata = {
+static struct of_device_id tegra_aes_of_match[] = {
{ .compatible = "nvidia,tegra20-aes", },
{ .compatible = "nvidia,tegra30-aes", },
{ },
@@ -1080,7 +1082,7 @@ static struct of_device_id tegra_aes_of_match[] __devinitdata = {
static struct platform_driver tegra_aes_driver = {
.probe = tegra_aes_probe,
- .remove = __devexit_p(tegra_aes_remove),
+ .remove = tegra_aes_remove,
.driver = {
.name = "tegra-aes",
.owner = THIS_MODULE,
diff --git a/drivers/crypto/ux500/cryp/cryp_core.c b/drivers/crypto/ux500/cryp/cryp_core.c
index bc615cc..8bc5fef 100644
--- a/drivers/crypto/ux500/cryp/cryp_core.c
+++ b/drivers/crypto/ux500/cryp/cryp_core.c
@@ -23,6 +23,7 @@
#include <linux/platform_device.h>
#include <linux/regulator/consumer.h>
#include <linux/semaphore.h>
+#include <linux/platform_data/dma-ste-dma40.h>
#include <crypto/aes.h>
#include <crypto/algapi.h>
@@ -30,8 +31,6 @@
#include <crypto/des.h>
#include <crypto/scatterwalk.h>
-#include <plat/ste_dma40.h>
-
#include <linux/platform_data/crypto-ux500.h>
#include <mach/hardware.h>