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| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-10-09 14:38:06 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-10-18 00:03:32 +0200 |
| commit | 7cccbdc84487616c3dbe493b04bfa1f362f4bc56 (patch) | |
| tree | bc75c0f7496cbcb8b82a501e4474b880ae6e69ad /drivers/mfd | |
| parent | regmap: Support some block operations on cached devices (diff) | |
| download | linux-7cccbdc84487616c3dbe493b04bfa1f362f4bc56.tar.xz linux-7cccbdc84487616c3dbe493b04bfa1f362f4bc56.zip | |
mfd: Enable rbtree cache for wm831x devices
Most useful with the regulators where we're doing a lot of read/modify/write
updates in potentially performance critical paths. Providing some defaults
would make this slightly better but this is a win right now.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'drivers/mfd')
| -rw-r--r-- | drivers/mfd/wm831x-core.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/mfd/wm831x-core.c b/drivers/mfd/wm831x-core.c index e758c89ac5bb..0a2b8d41a702 100644 --- a/drivers/mfd/wm831x-core.c +++ b/drivers/mfd/wm831x-core.c @@ -1602,6 +1602,8 @@ struct regmap_config wm831x_regmap_config = { .reg_bits = 16, .val_bits = 16, + .cache_type = REGCACHE_RBTREE, + .max_register = WM831X_DBE_CHECK_DATA, .readable_reg = wm831x_reg_readable, .writeable_reg = wm831x_reg_writeable, |