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author | David S. Miller <davem@davemloft.net> | 2010-03-15 23:23:54 (GMT) |
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committer | David S. Miller <davem@davemloft.net> | 2010-03-15 23:23:54 (GMT) |
commit | 4961e02f1999e1c3468c09b2669c94d7c3ae82a8 (patch) | |
tree | 44c15abb09d7ba5e17a9aba95ee246648b1c1a8a /drivers/i2c/busses/i2c-isch.c | |
parent | d14a0ebda7d3daede1a99c01527affb9ceaa4c22 (diff) | |
parent | a3d3203e4bb40f253b1541e310dc0f9305be7c84 (diff) | |
download | linux-fsl-qoriq-4961e02f1999e1c3468c09b2669c94d7c3ae82a8.tar.xz |
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Diffstat (limited to 'drivers/i2c/busses/i2c-isch.c')
-rw-r--r-- | drivers/i2c/busses/i2c-isch.c | 68 |
1 files changed, 27 insertions, 41 deletions
diff --git a/drivers/i2c/busses/i2c-isch.c b/drivers/i2c/busses/i2c-isch.c index dba6eb0..ddc258e 100644 --- a/drivers/i2c/busses/i2c-isch.c +++ b/drivers/i2c/busses/i2c-isch.c @@ -27,7 +27,7 @@ */ #include <linux/module.h> -#include <linux/pci.h> +#include <linux/platform_device.h> #include <linux/kernel.h> #include <linux/delay.h> #include <linux/stddef.h> @@ -46,12 +46,6 @@ #define SMBHSTDAT1 (7 + sch_smba) #define SMBBLKDAT (0x20 + sch_smba) -/* count for request_region */ -#define SMBIOSIZE 64 - -/* PCI Address Constants */ -#define SMBBA_SCH 0x40 - /* Other settings */ #define MAX_TIMEOUT 500 @@ -63,7 +57,6 @@ #define SCH_BLOCK_DATA 0x05 static unsigned short sch_smba; -static struct pci_driver sch_driver; static struct i2c_adapter sch_adapter; /* @@ -256,37 +249,23 @@ static struct i2c_adapter sch_adapter = { .algo = &smbus_algorithm, }; -static struct pci_device_id sch_ids[] = { - { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_SCH_LPC) }, - { 0, } -}; - -MODULE_DEVICE_TABLE(pci, sch_ids); - -static int __devinit sch_probe(struct pci_dev *dev, - const struct pci_device_id *id) +static int __devinit smbus_sch_probe(struct platform_device *dev) { + struct resource *res; int retval; - unsigned int smba; - pci_read_config_dword(dev, SMBBA_SCH, &smba); - if (!(smba & (1 << 31))) { - dev_err(&dev->dev, "SMBus I/O space disabled!\n"); - return -ENODEV; - } + res = platform_get_resource(dev, IORESOURCE_IO, 0); + if (!res) + return -EBUSY; - sch_smba = (unsigned short)smba; - if (sch_smba == 0) { - dev_err(&dev->dev, "SMBus base address uninitialized!\n"); - return -ENODEV; - } - if (acpi_check_region(sch_smba, SMBIOSIZE, sch_driver.name)) - return -ENODEV; - if (!request_region(sch_smba, SMBIOSIZE, sch_driver.name)) { + if (!request_region(res->start, resource_size(res), dev->name)) { dev_err(&dev->dev, "SMBus region 0x%x already in use!\n", sch_smba); return -EBUSY; } + + sch_smba = res->start; + dev_dbg(&dev->dev, "SMBA = 0x%X\n", sch_smba); /* set up the sysfs linkage to our parent device */ @@ -298,37 +277,43 @@ static int __devinit sch_probe(struct pci_dev *dev, retval = i2c_add_adapter(&sch_adapter); if (retval) { dev_err(&dev->dev, "Couldn't register adapter!\n"); - release_region(sch_smba, SMBIOSIZE); + release_region(res->start, resource_size(res)); sch_smba = 0; } return retval; } -static void __devexit sch_remove(struct pci_dev *dev) +static int __devexit smbus_sch_remove(struct platform_device *pdev) { + struct resource *res; if (sch_smba) { i2c_del_adapter(&sch_adapter); - release_region(sch_smba, SMBIOSIZE); + res = platform_get_resource(pdev, IORESOURCE_IO, 0); + release_region(res->start, resource_size(res)); sch_smba = 0; } + + return 0; } -static struct pci_driver sch_driver = { - .name = "isch_smbus", - .id_table = sch_ids, - .probe = sch_probe, - .remove = __devexit_p(sch_remove), +static struct platform_driver smbus_sch_driver = { + .driver = { + .name = "isch_smbus", + .owner = THIS_MODULE, + }, + .probe = smbus_sch_probe, + .remove = __devexit_p(smbus_sch_remove), }; static int __init i2c_sch_init(void) { - return pci_register_driver(&sch_driver); + return platform_driver_register(&smbus_sch_driver); } static void __exit i2c_sch_exit(void) { - pci_unregister_driver(&sch_driver); + platform_driver_unregister(&smbus_sch_driver); } MODULE_AUTHOR("Jacob Pan <jacob.jun.pan@intel.com>"); @@ -337,3 +322,4 @@ MODULE_LICENSE("GPL"); module_init(i2c_sch_init); module_exit(i2c_sch_exit); +MODULE_ALIAS("platform:isch_smbus"); |