diff options
| author | Xiubo Li <Li.Xiubo@freescale.com> | 2014-03-27 12:42:42 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2014-03-27 10:55:55 +0000 |
| commit | 41b0c2c976a8758a2b7f5b14cbc5d1a7436932cc (patch) | |
| tree | 244ce5d605911d4a9e4c455b3789a5f23bf3476f /drivers/base | |
| parent | 38dbfb59d1175ef458d006556061adeaa8751b72 (diff) | |
| download | linux-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.c | 16 |
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); |