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OpenCloudOS-Kernel
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Merge remote-tracking branch 'regmap/topic/core' into regmap-next

This commit is contained in:
Mark Brown 2014-06-02 17:07:38 +01:00
parent fad01e866a 2e804b7c72
commit e6353328ee
2 changed files with 7 additions and 4 deletions
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6
drivers/base/regmap/regmap-mmio.c
View File

@ -61,9 +61,9 @@ static int regmap_mmio_regbits_check(size_t reg_bits)
}
}
static inline void regmap_mmio_count_check(size_t count)
static inline void regmap_mmio_count_check(size_t count, u32 offset)
{
BUG_ON(count % 2 != 0);
BUG_ON(count <= offset);
}
static int regmap_mmio_gather_write(void *context,
@ -120,7 +120,7 @@ static int regmap_mmio_write(void *context, const void *data, size_t count)
struct regmap_mmio_context *ctx = context;
u32 offset = ctx->reg_bytes + ctx->pad_bytes;
regmap_mmio_count_check(count);
regmap_mmio_count_check(count, offset);
return regmap_mmio_gather_write(context, data, ctx->reg_bytes,
data + offset, count - offset);

5
drivers/base/regmap/regmap.c
View File

@ -1615,6 +1615,9 @@ static int _regmap_raw_multi_reg_write(struct regmap *map,
size_t pair_size = reg_bytes + pad_bytes + val_bytes;
size_t len = pair_size * num_regs;
if (!len)
return -EINVAL;
buf = kzalloc(len, GFP_KERNEL);
if (!buf)
return -ENOMEM;
@ -1662,7 +1665,7 @@ static int _regmap_range_multi_paged_reg_write(struct regmap *map,
int ret;
int i, n;
struct reg_default *base;
unsigned int this_page;
unsigned int this_page = 0;
/*
* the set of registers are not neccessarily in order, but
* since the order of write must be preserved this algorithm