diff options
| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-02-20 22:21:33 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-02-20 22:21:33 +0100 |
| commit | aca1e172a1096ed3785e0da01d82943b7562527c (patch) | |
| tree | 0826c140b4e31acd7f8546727498dd849f099ba6 /drivers/base/regmap/regcache.c | |
| parent | Merge branch 'topic/devm' of git://git.kernel.org/pub/scm/linux/kernel/git/br... (diff) | |
| parent | regmap: Fix kcalloc parameters swapped (diff) | |
| download | linux-aca1e172a1096ed3785e0da01d82943b7562527c.tar.xz linux-aca1e172a1096ed3785e0da01d82943b7562527c.zip | |
Merge branch 'topic/patch' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap into regmap-drivers
Diffstat (limited to 'drivers/base/regmap/regcache.c')
| -rw-r--r-- | drivers/base/regmap/regcache.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/base/regmap/regcache.c b/drivers/base/regmap/regcache.c index d1daa5e9fadf..e9032c329067 100644 --- a/drivers/base/regmap/regcache.c +++ b/drivers/base/regmap/regcache.c @@ -268,8 +268,22 @@ int regcache_sync(struct regmap *map) map->cache_ops->name); name = map->cache_ops->name; trace_regcache_sync(map->dev, name, "start"); + if (!map->cache_dirty) goto out; + + /* Apply any patch first */ + map->cache_bypass = 1; + for (i = 0; i < map->patch_regs; i++) { + ret = _regmap_write(map, map->patch[i].reg, map->patch[i].def); + if (ret != 0) { + dev_err(map->dev, "Failed to write %x = %x: %d\n", + map->patch[i].reg, map->patch[i].def, ret); + goto out; + } + } + map->cache_bypass = 0; + if (map->cache_ops->sync) { ret = map->cache_ops->sync(map); } else { |