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authorXiubo Li <Li.Xiubo@freescale.com>2014-03-27 12:42:42 +0800
committerMark Brown <broonie@linaro.org>2014-03-27 10:55:55 +0000
commit41b0c2c976a8758a2b7f5b14cbc5d1a7436932cc (patch)
tree244ce5d605911d4a9e4c455b3789a5f23bf3476f /drivers/base
parent38dbfb59d1175ef458d006556061adeaa8751b72 (diff)
downloadlinux-41b0c2c976a8758a2b7f5b14cbc5d1a7436932cc.tar.bz2
regmap: mmio: add regmap_mmio_{regsize, count}_check.
Signed-off-by: Xiubo Li <Li.Xiubo@freescale.com> Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'drivers/base')
-rw-r--r--drivers/base/regmap/regmap-mmio.c16
1 files changed, 13 insertions, 3 deletions
diff --git a/drivers/base/regmap/regmap-mmio.c b/drivers/base/regmap/regmap-mmio.c
index 81f977510775..4f1efce94034 100644
--- a/drivers/base/regmap/regmap-mmio.c
+++ b/drivers/base/regmap/regmap-mmio.c
@@ -30,6 +30,16 @@ struct regmap_mmio_context {
struct clk *clk;
};
+static inline void regmap_mmio_regsize_check(size_t reg_size)
+{
+ BUG_ON(reg_size != 4);
+}
+
+static inline void regmap_mmio_count_check(size_t count)
+{
+ BUG_ON(count < 4);
+}
+
static int regmap_mmio_gather_write(void *context,
const void *reg, size_t reg_size,
const void *val, size_t val_size)
@@ -38,7 +48,7 @@ static int regmap_mmio_gather_write(void *context,
u32 offset;
int ret;
- BUG_ON(reg_size != 4);
+ regmap_mmio_regsize_check(reg_size);
if (!IS_ERR(ctx->clk)) {
ret = clk_enable(ctx->clk);
@@ -81,7 +91,7 @@ static int regmap_mmio_gather_write(void *context,
static int regmap_mmio_write(void *context, const void *data, size_t count)
{
- BUG_ON(count < 4);
+ regmap_mmio_count_check(count);
return regmap_mmio_gather_write(context, data, 4, data + 4, count - 4);
}
@@ -94,7 +104,7 @@ static int regmap_mmio_read(void *context,
u32 offset;
int ret;
- BUG_ON(reg_size != 4);
+ regmap_mmio_regsize_check(reg_size);
if (!IS_ERR(ctx->clk)) {
ret = clk_enable(ctx->clk);