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authorMark Brown <broonie@opensource.wolfsonmicro.com>2012-03-14 13:15:48 +0000
committerMark Brown <broonie@opensource.wolfsonmicro.com>2012-03-14 13:15:48 +0000
commitaddfd8a09e1f434a73b3d87d36ef050c73511d2b (patch)
tree22dd5a1f108dcd123797dbe9f5aa45e8d3faa492 /drivers/base/regmap/regcache.c
parenteae4b51b21f7452b0b53a9848f48c02cb0fac336 (diff)
parentdf00c79f78d8b0ad788daf689ea461ace9d0811f (diff)
downloadop-kernel-dev-addfd8a09e1f434a73b3d87d36ef050c73511d2b.zip
op-kernel-dev-addfd8a09e1f434a73b3d87d36ef050c73511d2b.tar.gz
Merge remote-tracking branch 'regmap/topic/bulk' into regmap-next
Diffstat (limited to 'drivers/base/regmap/regcache.c')
-rw-r--r--drivers/base/regmap/regcache.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/base/regmap/regcache.c b/drivers/base/regmap/regcache.c
index fb84d71..938cb1d 100644
--- a/drivers/base/regmap/regcache.c
+++ b/drivers/base/regmap/regcache.c
@@ -35,12 +35,17 @@ static int regcache_hw_init(struct regmap *map)
return -EINVAL;
if (!map->reg_defaults_raw) {
+ u32 cache_bypass = map->cache_bypass;
dev_warn(map->dev, "No cache defaults, reading back from HW\n");
+
+ /* Bypass the cache access till data read from HW*/
+ map->cache_bypass = 1;
tmp_buf = kmalloc(map->cache_size_raw, GFP_KERNEL);
if (!tmp_buf)
return -EINVAL;
ret = regmap_bulk_read(map, 0, tmp_buf,
map->num_reg_defaults_raw);
+ map->cache_bypass = cache_bypass;
if (ret < 0) {
kfree(tmp_buf);
return ret;
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