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authorArnd Bergmann <arnd@arndb.de>2012-09-14 20:20:43 +0000
committerArnd Bergmann <arnd@arndb.de>2012-09-19 15:19:14 +0200
commita1b478e829cb3e80021b5e2839d90275310d9eae (patch)
tree47a502ccc5d9712a06d66d48202dd78e16049eba /arch/arm/mach-msm/smd.c
parentdf38b24fa87ba4c386e50b83befd93d0518b7ea8 (diff)
ARM: msm: use __iomem pointers for MMIO
ARM is moving to stricter checks on readl/write functions, so we need to use the correct types everywhere. Acked-by: David Brown <davidb@codeaurora.org> Acked-by: Stephen Boyd <sboyd@codeaurora.org> Cc: Daniel Walker <dwalker@fifo99.com> Cc: Bryan Huntsman <bryanh@codeaurora.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/arm/mach-msm/smd.c')
-rw-r--r--arch/arm/mach-msm/smd.c19
1 files changed, 10 insertions, 9 deletions
diff --git a/arch/arm/mach-msm/smd.c b/arch/arm/mach-msm/smd.c
index 657be73297db..f4e475c49302 100644
--- a/arch/arm/mach-msm/smd.c
+++ b/arch/arm/mach-msm/smd.c
@@ -52,13 +52,14 @@ static int msm_smd_debug_mask;
struct shared_info {
int ready;
- unsigned state;
+ void __iomem *state;
};
static unsigned dummy_state[SMSM_STATE_COUNT];
static struct shared_info smd_info = {
- .state = (unsigned) &dummy_state,
+ /* FIXME: not a real __iomem pointer */
+ .state = &dummy_state,
};
module_param_named(debug_mask, msm_smd_debug_mask,
@@ -796,22 +797,22 @@ void *smem_alloc(unsigned id, unsigned size)
return smem_find(id, size);
}
-void *smem_item(unsigned id, unsigned *size)
+void __iomem *smem_item(unsigned id, unsigned *size)
{
struct smem_shared *shared = (void *) MSM_SHARED_RAM_BASE;
struct smem_heap_entry *toc = shared->heap_toc;
if (id >= SMEM_NUM_ITEMS)
- return 0;
+ return NULL;
if (toc[id].allocated) {
*size = toc[id].size;
- return (void *) (MSM_SHARED_RAM_BASE + toc[id].offset);
+ return (MSM_SHARED_RAM_BASE + toc[id].offset);
} else {
*size = 0;
}
- return 0;
+ return NULL;
}
void *smem_find(unsigned id, unsigned size_in)
@@ -857,7 +858,7 @@ static irqreturn_t smsm_irq_handler(int irq, void *data)
int smsm_change_state(enum smsm_state_item item,
uint32_t clear_mask, uint32_t set_mask)
{
- unsigned long addr = smd_info.state + item * 4;
+ void __iomem *addr = smd_info.state + item * 4;
unsigned long flags;
unsigned state;
@@ -943,10 +944,10 @@ int smd_core_init(void)
/* wait for essential items to be initialized */
for (;;) {
unsigned size;
- void *state;
+ void __iomem *state;
state = smem_item(SMEM_SMSM_SHARED_STATE, &size);
if (size == SMSM_V1_SIZE || size == SMSM_V2_SIZE) {
- smd_info.state = (unsigned)state;
+ smd_info.state = state;
break;
}
}