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authorDavid S. Miller <davem@davemloft.net>2012-10-09 17:14:32 (GMT)
committerDavid S. Miller <davem@davemloft.net>2012-10-09 17:14:32 (GMT)
commit8dd9117cc7a021ced1c5cf177e2d44dd92b88617 (patch)
treecad990f58f9ec6d400226dda86718fc10781416e /arch/arm/plat-omap
parent16e310ae6ed352c4963b1f2413fcd88fa693eeda (diff)
parent547b1e81afe3119f7daf702cc03b158495535a25 (diff)
downloadlinux-fsl-qoriq-8dd9117cc7a021ced1c5cf177e2d44dd92b88617.tar.xz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux
Pulled mainline in order to get the UAPI infrastructure already merged before I pull in David Howells's UAPI trees for networking. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/arm/plat-omap')
-rw-r--r--arch/arm/plat-omap/clock.c27
-rw-r--r--arch/arm/plat-omap/include/plat/clock.h5
-rw-r--r--arch/arm/plat-omap/include/plat/dmtimer.h1
-rw-r--r--arch/arm/plat-omap/include/plat/iommu.h15
-rw-r--r--arch/arm/plat-omap/include/plat/omap_device.h4
-rw-r--r--arch/arm/plat-omap/include/plat/omap_hwmod.h26
-rw-r--r--arch/arm/plat-omap/omap_device.c59
7 files changed, 100 insertions, 37 deletions
diff --git a/arch/arm/plat-omap/clock.c b/arch/arm/plat-omap/clock.c
index 706b7e2..9d7ac20 100644
--- a/arch/arm/plat-omap/clock.c
+++ b/arch/arm/plat-omap/clock.c
@@ -312,33 +312,6 @@ void clk_enable_init_clocks(void)
}
}
-/**
- * omap_clk_get_by_name - locate OMAP struct clk by its name
- * @name: name of the struct clk to locate
- *
- * Locate an OMAP struct clk by its name. Assumes that struct clk
- * names are unique. Returns NULL if not found or a pointer to the
- * struct clk if found.
- */
-struct clk *omap_clk_get_by_name(const char *name)
-{
- struct clk *c;
- struct clk *ret = NULL;
-
- mutex_lock(&clocks_mutex);
-
- list_for_each_entry(c, &clocks, node) {
- if (!strcmp(c->name, name)) {
- ret = c;
- break;
- }
- }
-
- mutex_unlock(&clocks_mutex);
-
- return ret;
-}
-
int omap_clk_enable_autoidle_all(void)
{
struct clk *c;
diff --git a/arch/arm/plat-omap/include/plat/clock.h b/arch/arm/plat-omap/include/plat/clock.h
index 656b986..e2e2d04 100644
--- a/arch/arm/plat-omap/include/plat/clock.h
+++ b/arch/arm/plat-omap/include/plat/clock.h
@@ -19,6 +19,11 @@ struct module;
struct clk;
struct clockdomain;
+/* Temporary, needed during the common clock framework conversion */
+#define __clk_get_name(clk) (clk->name)
+#define __clk_get_parent(clk) (clk->parent)
+#define __clk_get_rate(clk) (clk->rate)
+
/**
* struct clkops - some clock function pointers
* @enable: fn ptr that enables the current clock in hardware
diff --git a/arch/arm/plat-omap/include/plat/dmtimer.h b/arch/arm/plat-omap/include/plat/dmtimer.h
index 19e7fa5..85868e9 100644
--- a/arch/arm/plat-omap/include/plat/dmtimer.h
+++ b/arch/arm/plat-omap/include/plat/dmtimer.h
@@ -60,6 +60,7 @@
#define OMAP_TIMER_ALWON 0x40000000
#define OMAP_TIMER_HAS_PWM 0x20000000
#define OMAP_TIMER_NEEDS_RESET 0x10000000
+#define OMAP_TIMER_HAS_DSP_IRQ 0x08000000
struct omap_timer_capability_dev_attr {
u32 timer_capability;
diff --git a/arch/arm/plat-omap/include/plat/iommu.h b/arch/arm/plat-omap/include/plat/iommu.h
index 88be3e6..68b5f03 100644
--- a/arch/arm/plat-omap/include/plat/iommu.h
+++ b/arch/arm/plat-omap/include/plat/iommu.h
@@ -103,6 +103,19 @@ struct iommu_functions {
ssize_t (*dump_ctx)(struct omap_iommu *obj, char *buf, ssize_t len);
};
+/**
+ * struct omap_mmu_dev_attr - OMAP mmu device attributes for omap_hwmod
+ * @da_start: device address where the va space starts.
+ * @da_end: device address where the va space ends.
+ * @nr_tlb_entries: number of entries supported by the translation
+ * look-aside buffer (TLB).
+ */
+struct omap_mmu_dev_attr {
+ u32 da_start;
+ u32 da_end;
+ int nr_tlb_entries;
+};
+
struct iommu_platform_data {
const char *name;
const char *clk_name;
@@ -126,6 +139,7 @@ struct omap_iommu_arch_data {
struct omap_iommu *iommu_dev;
};
+#ifdef CONFIG_IOMMU_API
/**
* dev_to_omap_iommu() - retrieves an omap iommu object from a user device
* @dev: iommu client device
@@ -136,6 +150,7 @@ static inline struct omap_iommu *dev_to_omap_iommu(struct device *dev)
return arch_data->iommu_dev;
}
+#endif
/* IOMMU errors */
#define OMAP_IOMMU_ERR_TLB_MISS (1 << 0)
diff --git a/arch/arm/plat-omap/include/plat/omap_device.h b/arch/arm/plat-omap/include/plat/omap_device.h
index e7259c0..106f506 100644
--- a/arch/arm/plat-omap/include/plat/omap_device.h
+++ b/arch/arm/plat-omap/include/plat/omap_device.h
@@ -120,6 +120,10 @@ int omap_device_get_context_loss_count(struct platform_device *pdev);
/* Other */
+int omap_device_assert_hardreset(struct platform_device *pdev,
+ const char *name);
+int omap_device_deassert_hardreset(struct platform_device *pdev,
+ const char *name);
int omap_device_idle_hwmods(struct omap_device *od);
int omap_device_enable_hwmods(struct omap_device *od);
diff --git a/arch/arm/plat-omap/include/plat/omap_hwmod.h b/arch/arm/plat-omap/include/plat/omap_hwmod.h
index 0533073..b3349f7 100644
--- a/arch/arm/plat-omap/include/plat/omap_hwmod.h
+++ b/arch/arm/plat-omap/include/plat/omap_hwmod.h
@@ -2,7 +2,7 @@
* omap_hwmod macros, structures
*
* Copyright (C) 2009-2011 Nokia Corporation
- * Copyright (C) 2011 Texas Instruments, Inc.
+ * Copyright (C) 2012 Texas Instruments, Inc.
* Paul Walmsley
*
* Created in collaboration with (alphabetical order): BenoƮt Cousson,
@@ -384,21 +384,38 @@ struct omap_hwmod_omap2_prcm {
u8 idlest_stdby_bit;
};
+/*
+ * Possible values for struct omap_hwmod_omap4_prcm.flags
+ *
+ * HWMOD_OMAP4_NO_CONTEXT_LOSS_BIT: Some IP blocks don't have a PRCM
+ * module-level context loss register associated with them; this
+ * flag bit should be set in those cases
+ */
+#define HWMOD_OMAP4_NO_CONTEXT_LOSS_BIT (1 << 0)
/**
* struct omap_hwmod_omap4_prcm - OMAP4-specific PRCM data
* @clkctrl_reg: PRCM address of the clock control register
* @rstctrl_reg: address of the XXX_RSTCTRL register located in the PRM
+ * @lostcontext_mask: bitmask for selecting bits from RM_*_CONTEXT register
* @rstst_reg: (AM33XX only) address of the XXX_RSTST register in the PRM
* @submodule_wkdep_bit: bit shift of the WKDEP range
+ * @flags: PRCM register capabilities for this IP block
+ *
+ * If @lostcontext_mask is not defined, context loss check code uses
+ * whole register without masking. @lostcontext_mask should only be
+ * defined in cases where @context_offs register is shared by two or
+ * more hwmods.
*/
struct omap_hwmod_omap4_prcm {
u16 clkctrl_offs;
u16 rstctrl_offs;
u16 rstst_offs;
u16 context_offs;
+ u32 lostcontext_mask;
u8 submodule_wkdep_bit;
u8 modulemode;
+ u8 flags;
};
@@ -591,9 +608,7 @@ int omap_hwmod_for_each(int (*fn)(struct omap_hwmod *oh, void *data),
int __init omap_hwmod_setup_one(const char *name);
int omap_hwmod_enable(struct omap_hwmod *oh);
-int _omap_hwmod_enable(struct omap_hwmod *oh);
int omap_hwmod_idle(struct omap_hwmod *oh);
-int _omap_hwmod_idle(struct omap_hwmod *oh);
int omap_hwmod_shutdown(struct omap_hwmod *oh);
int omap_hwmod_assert_hardreset(struct omap_hwmod *oh, const char *name);
@@ -627,11 +642,6 @@ int omap_hwmod_add_initiator_dep(struct omap_hwmod *oh,
int omap_hwmod_del_initiator_dep(struct omap_hwmod *oh,
struct omap_hwmod *init_oh);
-int omap_hwmod_set_clockact_both(struct omap_hwmod *oh);
-int omap_hwmod_set_clockact_main(struct omap_hwmod *oh);
-int omap_hwmod_set_clockact_iclk(struct omap_hwmod *oh);
-int omap_hwmod_set_clockact_none(struct omap_hwmod *oh);
-
int omap_hwmod_enable_wakeup(struct omap_hwmod *oh);
int omap_hwmod_disable_wakeup(struct omap_hwmod *oh);
diff --git a/arch/arm/plat-omap/omap_device.c b/arch/arm/plat-omap/omap_device.c
index d5f617c..cee85a5 100644
--- a/arch/arm/plat-omap/omap_device.c
+++ b/arch/arm/plat-omap/omap_device.c
@@ -261,10 +261,10 @@ static void _add_clkdev(struct omap_device *od, const char *clk_alias,
return;
}
- r = omap_clk_get_by_name(clk_name);
+ r = clk_get(NULL, clk_name);
if (IS_ERR(r)) {
dev_err(&od->pdev->dev,
- "omap_clk_get_by_name for %s failed\n", clk_name);
+ "clk_get for %s failed\n", clk_name);
return;
}
@@ -983,6 +983,61 @@ int omap_device_shutdown(struct platform_device *pdev)
}
/**
+ * omap_device_assert_hardreset - set a device's hardreset line
+ * @pdev: struct platform_device * to reset
+ * @name: const char * name of the reset line
+ *
+ * Set the hardreset line identified by @name on the IP blocks
+ * associated with the hwmods backing the platform_device @pdev. All
+ * of the hwmods associated with @pdev must have the same hardreset
+ * line linked to them for this to work. Passes along the return value
+ * of omap_hwmod_assert_hardreset() in the event of any failure, or
+ * returns 0 upon success.
+ */
+int omap_device_assert_hardreset(struct platform_device *pdev, const char *name)
+{
+ struct omap_device *od = to_omap_device(pdev);
+ int ret = 0;
+ int i;
+
+ for (i = 0; i < od->hwmods_cnt; i++) {
+ ret = omap_hwmod_assert_hardreset(od->hwmods[i], name);
+ if (ret)
+ break;
+ }
+
+ return ret;
+}
+
+/**
+ * omap_device_deassert_hardreset - release a device's hardreset line
+ * @pdev: struct platform_device * to reset
+ * @name: const char * name of the reset line
+ *
+ * Release the hardreset line identified by @name on the IP blocks
+ * associated with the hwmods backing the platform_device @pdev. All
+ * of the hwmods associated with @pdev must have the same hardreset
+ * line linked to them for this to work. Passes along the return
+ * value of omap_hwmod_deassert_hardreset() in the event of any
+ * failure, or returns 0 upon success.
+ */
+int omap_device_deassert_hardreset(struct platform_device *pdev,
+ const char *name)
+{
+ struct omap_device *od = to_omap_device(pdev);
+ int ret = 0;
+ int i;
+
+ for (i = 0; i < od->hwmods_cnt; i++) {
+ ret = omap_hwmod_deassert_hardreset(od->hwmods[i], name);
+ if (ret)
+ break;
+ }
+
+ return ret;
+}
+
+/**
* omap_device_align_pm_lat - activate/deactivate device to match wakeup lat lim
* @od: struct omap_device *
*