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authorMark Brown <broonie@opensource.wolfsonmicro.com>2012-03-14 17:13:25 +0400
committerMark Brown <broonie@opensource.wolfsonmicro.com>2012-03-14 17:13:25 +0400
commit7d9aca39dcacd2b3f42e2e287162329f410f93e1 (patch)
tree2907b680b2b7625226f46d23d74ccc9c58ad0362 /drivers/base/regmap/regcache.c
parente1c1c69c8fc7656c33460c8e085ac0d0be22ac3b (diff)
parenta0cc0209abb9fe2b9ab71aa41be70eddd0cbdd61 (diff)
downloadlinux-7d9aca39dcacd2b3f42e2e287162329f410f93e1.tar.xz
Merge remote-tracking branch 'regmap/topic/drivers' into regmap-next
Resolved simple add/add conflicts: drivers/base/regmap/internal.h drivers/base/regmap/regmap.c
Diffstat (limited to 'drivers/base/regmap/regcache.c')
-rw-r--r--drivers/base/regmap/regcache.c18
1 files changed, 16 insertions, 2 deletions
diff --git a/drivers/base/regmap/regcache.c b/drivers/base/regmap/regcache.c
index 2d89ce08f137..8db713ffef66 100644
--- a/drivers/base/regmap/regcache.c
+++ b/drivers/base/regmap/regcache.c
@@ -53,7 +53,7 @@ static int regcache_hw_init(struct regmap *map)
for (count = 0, i = 0; i < map->num_reg_defaults_raw; i++) {
val = regcache_get_val(map->reg_defaults_raw,
i, map->cache_word_size);
- if (!val)
+ if (regmap_volatile(map, i))
continue;
count++;
}
@@ -70,7 +70,7 @@ static int regcache_hw_init(struct regmap *map)
for (i = 0, j = 0; i < map->num_reg_defaults_raw; i++) {
val = regcache_get_val(map->reg_defaults_raw,
i, map->cache_word_size);
- if (!val)
+ if (regmap_volatile(map, i))
continue;
map->reg_defaults[j].reg = i;
map->reg_defaults[j].def = val;
@@ -266,8 +266,22 @@ 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 {