xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Merge remote-tracking branches 'regmap/topic/patch' and 'regmap/topic/sync' into regmap-next

Browse Source
This commit is contained in:
Mark Brown
2012-03-14 13:14:24 +00:00
parent 7d9aca39dc f9353e70bc
commit 4a6be7bb74
5 changed files with 83 additions and 25 deletions
Download Patch File Download Diff File Expand all files Collapse all files

25
drivers/base/regmap/regcache-rbtree.c
View File

@@ -357,7 +357,8 @@ static int regcache_rbtree_write(struct regmap *map, unsigned int reg,
return 0;
}
static int regcache_rbtree_sync(struct regmap *map)
static int regcache_rbtree_sync(struct regmap *map, unsigned int min,
unsigned int max)
{
struct regcache_rbtree_ctx *rbtree_ctx;
struct rb_node *node;
@@ -365,12 +366,30 @@ static int regcache_rbtree_sync(struct regmap *map)
unsigned int regtmp;
unsigned int val;
int ret;
int i;
int i, base, end;
rbtree_ctx = map->cache;
for (node = rb_first(&rbtree_ctx->root); node; node = rb_next(node)) {
rbnode = rb_entry(node, struct regcache_rbtree_node, node);
for (i = 0; i < rbnode->blklen; i++) {
if (rbnode->base_reg < min)
continue;
if (rbnode->base_reg > max)
break;
if (rbnode->base_reg + rbnode->blklen < min)
continue;
if (min > rbnode->base_reg)
base = min - rbnode->base_reg;
else
base = 0;
if (max < rbnode->base_reg + rbnode->blklen)
end = rbnode->base_reg + rbnode->blklen - max;
else
end = rbnode->blklen;
for (i = base; i < end; i++) {
regtmp = rbnode->base_reg + i;
val = regcache_rbtree_get_register(rbnode, i,
map->cache_word_size);