[PATCH] regmap: Warn on raw I/O as well as bulk reads that bypass cache

Mark Brown
2011-10-09T13:38:57Z

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>
---
drivers/base/regmap/regmap.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c
index d786ddc..85bffdd 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);
--
1.7.6.3