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regmap: Fixes for v3.9

Browse source 
A small collection of fixes.  The most important ones are those from
 Stephen and Lars-Peter both of which fix cache issues that have been
 lurking for a while but not manifesting noticably enough for anyone to
 report them.
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Merge tag 'regmap-v3.9-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap

Pull regmap fixes from Mark Brown:
 "A small collection of fixes.  The most important ones are those from
  Stephen and Lars-Peter both of which fix cache issues that have been
  lurking for a while but not manifesting noticably enough for anyone to
  report them."

* tag 'regmap-v3.9-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
  regmap: async: Add missing return
  regmap: don't corrupt work buffer in _regmap_raw_write()
  regmap: cache Fix regcache-rbtree sync
  regmap: Initialize `map->debugfs' before regcache
This commit is contained in:
Linus Torvalds 2013-04-02 18:53:43 -07:00
commit 6e8517a90b
2 changed files with 6 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
drivers/base/regmap/regcache-rbtree.c
View file

@ -398,7 +398,7 @@ static int regcache_rbtree_sync(struct regmap *map, unsigned int min,
base = 0;
if (max < rbnode->base_reg + rbnode->blklen)
end = rbnode->base_reg + rbnode->blklen - max;
end = max - rbnode->base_reg + 1;
else
end = rbnode->blklen;

9
drivers/base/regmap/regmap.c
View file

@ -710,12 +710,12 @@ skip_format_initialization:
}
}
regmap_debugfs_init(map, config->name);
ret = regcache_init(map, config);
if (ret != 0)
goto err_range;
regmap_debugfs_init(map, config->name);
/* Add a devres resource for dev_get_regmap() */
m = devres_alloc(dev_get_regmap_release, sizeof(*m), GFP_KERNEL);
if (!m) {
@ -943,8 +943,7 @@ static int _regmap_raw_write(struct regmap *map, unsigned int reg,
unsigned int ival;
int val_bytes = map->format.val_bytes;
for (i = 0; i < val_len / val_bytes; i++) {
memcpy(map->work_buf, val + (i * val_bytes), val_bytes);
ival = map->format.parse_val(map->work_buf);
ival = map->format.parse_val(val + (i * val_bytes));
ret = regcache_write(map, reg + (i * map->reg_stride),
ival);
if (ret) {
@ -1036,6 +1035,8 @@ static int _regmap_raw_write(struct regmap *map, unsigned int reg,
kfree(async->work_buf);
kfree(async);
}
return ret;
}
trace_regmap_hw_write_start(map->dev, reg,