9f878e7885
regmap_write
->_regmap_raw_write
-->regcache_write first and than use map->bus->write to write i2c or spi
But if the i2c or spi transfer failed, But the cache is updated, So if I use
regmap_read will get the cache data which is not the real register value.
Change-Id: Iae06edf8a2a50d2561d351a8398bd3140904630c
Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
(cherry picked from
git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap.git
commit
|
||
|---|---|---|
| .. | ||
| internal.h | ||
| Kconfig | ||
| Makefile | ||
| regcache-flat.c | ||
| regcache-lzo.c | ||
| regcache-rbtree.c | ||
| regcache.c | ||
| regmap-ac97.c | ||
| regmap-debugfs.c | ||
| regmap-i2c.c | ||
| regmap-irq.c | ||
| regmap-mmio.c | ||
| regmap-spi.c | ||
| regmap-spmi.c | ||
| regmap.c | ||
| trace.h | ||