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ARM: msm: use __iomem pointers for MMIO

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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>
This commit is contained in:
Arnd Bergmann 2012-09-14 20:20:43 +00:00
parent df38b24fa8
commit a1b478e829
1 changed files with 10 additions and 9 deletions
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19
arch/arm/mach-msm/smd.c
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@ -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;
}
}