From 41b0c2c976a8758a2b7f5b14cbc5d1a7436932cc Mon Sep 17 00:00:00 2001 From: Xiubo Li Date: Thu, 27 Mar 2014 12:42:42 +0800 Subject: [PATCH] regmap: mmio: add regmap_mmio_{regsize, count}_check. Signed-off-by: Xiubo Li Signed-off-by: Mark Brown --- drivers/base/regmap/regmap-mmio.c | 16 +++++++++++++--- 1 file 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); -- 2.34.1