diff options
| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-02-17 15:58:25 -0800 |
|---|---|---|
| committer | Simone Willett <swillett@nvidia.com> | 2012-04-15 13:22:29 -0700 |
| commit | 8d5017795c0e7d407852bae55452ae979b45071f (patch) | |
| tree | 960c61cf7b1ee89e0ed8d7e73d2924fca8e5cec3 /drivers/base | |
| parent | 5882fd8418c9a26973c22edef8f218317c82300e (diff) | |
regmap: Implement support for 32 bit registers and values
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
(cherry picked from commit 7d5e525b9ceda0e3b85da0acdaa2de19fea51edc)
Change-Id: I6f6fec44b439b4916eba7f32ece1fa011e3ac021
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Reviewed-on: http://git-master/r/96480
Reviewed-by: Simone Willett <swillett@nvidia.com>
Tested-by: Simone Willett <swillett@nvidia.com>
Diffstat (limited to 'drivers/base')
| -rw-r--r-- | drivers/base/regmap/regcache.c | 11 | ||||
| -rw-r--r-- | drivers/base/regmap/regmap.c | 24 |
2 files changed, 35 insertions, 0 deletions
diff --git a/drivers/base/regmap/regcache.c b/drivers/base/regmap/regcache.c index 86cc34251ac5..87bb299cdec9 100644 --- a/drivers/base/regmap/regcache.c +++ b/drivers/base/regmap/regcache.c @@ -390,6 +390,13 @@ bool regcache_set_val(void *base, unsigned int idx, cache[idx] = val; break; } + case 4: { + u32 *cache = base; + if (cache[idx] == val) + return true; + cache[idx] = val; + break; + } default: BUG(); } @@ -411,6 +418,10 @@ unsigned int regcache_get_val(const void *base, unsigned int idx, const u16 *cache = base; return cache[idx]; } + case 4: { + const u32 *cache = base; + return cache[idx]; + } default: BUG(); } diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c index a239ce8e1f0f..67311c212748 100644 --- a/drivers/base/regmap/regmap.c +++ b/drivers/base/regmap/regmap.c @@ -125,6 +125,13 @@ static void regmap_format_16(void *buf, unsigned int val) b[0] = cpu_to_be16(val); } +static void regmap_format_32(void *buf, unsigned int val) +{ + __be32 *b = buf; + + b[0] = cpu_to_be32(val); +} + static unsigned int regmap_parse_8(void *buf) { u8 *b = buf; @@ -141,6 +148,15 @@ static unsigned int regmap_parse_16(void *buf) return b[0]; } +static unsigned int regmap_parse_32(void *buf) +{ + __be32 *b = buf; + + b[0] = be32_to_cpu(b[0]); + + return b[0]; +} + /** * regmap_init(): Initialise register map * @@ -239,6 +255,10 @@ struct regmap *regmap_init(struct device *dev, map->format.format_reg = regmap_format_16; break; + case 32: + map->format.format_reg = regmap_format_32; + break; + default: goto err_map; } @@ -252,6 +272,10 @@ struct regmap *regmap_init(struct device *dev, map->format.format_val = regmap_format_16; map->format.parse_val = regmap_parse_16; break; + case 32: + map->format.format_val = regmap_format_32; + map->format.parse_val = regmap_parse_32; + break; } if (!map->format.format_write && |