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authorMark Brown <broonie@opensource.wolfsonmicro.com>2011-10-09 13:35:43 +0100
committerMark Brown <broonie@opensource.wolfsonmicro.com>2011-10-10 10:24:33 +0100
commit04e016adcae28b65ddc9e756947fa1526a51c0b5 (patch)
treef4068bbe3609ee83f6e0eb98bb71772b1c467ebe /drivers/base/regmap
parent6e6ace00a045251bd172b9b9c2379857bbff3dc7 (diff)
regmap: Warn on raw I/O as well as bulk reads that bypass cache
As with the bulk reads we really should be able to make these play nicely with the cache but warn for now. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Acked-by: Dimitris Papastamos <dp@opensource.wolfsonmicro.com>
Diffstat (limited to 'drivers/base/regmap')
-rw-r--r--drivers/base/regmap/regmap.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c
index d786ddcaf117..85bffddda530 100644
--- a/drivers/base/regmap/regmap.c
+++ b/drivers/base/regmap/regmap.c
@@ -377,6 +377,8 @@ int regmap_raw_write(struct regmap *map, unsigned int reg,
{
int ret;
+ WARN_ON(map->cache_type != REGCACHE_NONE);
+
mutex_lock(&map->lock);
ret = _regmap_raw_write(map, reg, val, val_len);
@@ -481,6 +483,8 @@ int regmap_raw_read(struct regmap *map, unsigned int reg, void *val,
{
int ret;
+ WARN_ON(map->cache_type != REGCACHE_NONE);
+
mutex_lock(&map->lock);
ret = _regmap_raw_read(map, reg, val, val_len);