From eb4cb76ff00e27858e5c80f69dbe8cc15364578c Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Thu, 21 Feb 2013 18:39:47 +0000 Subject: [PATCH] regmap: cache: Store caches in native register format where possible This allows the cached data to be sent directly to the device when we sync it. Signed-off-by: Mark Brown --- drivers/base/regmap/regcache.c | 16 ++++++++++++++-- 1 file changed, 14 insertions(+), 2 deletions(-) diff --git a/drivers/base/regmap/regcache.c b/drivers/base/regmap/regcache.c index 6948996..0f4fb8b 100644 --- a/drivers/base/regmap/regcache.c +++ b/drivers/base/regmap/regcache.c @@ -45,8 +45,8 @@ static int regcache_hw_init(struct regmap *map) 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); + ret = regmap_raw_read(map, 0, tmp_buf, + map->num_reg_defaults_raw); map->cache_bypass = cache_bypass; if (ret < 0) { kfree(tmp_buf); @@ -421,6 +421,13 @@ bool regcache_set_val(struct regmap *map, void *base, unsigned int idx, if (regcache_get_val(map, base, idx) == val) return true; + /* Use device native format if possible */ + if (map->format.format_val) { + map->format.format_val(base + (map->cache_word_size * idx), + val, 0); + return false; + } + switch (map->cache_word_size) { case 1: { u8 *cache = base; @@ -449,6 +456,11 @@ unsigned int regcache_get_val(struct regmap *map, const void *base, if (!base) return -EINVAL; + /* Use device native format if possible */ + if (map->format.parse_val) + return map->format.parse_val(base + + (map->cache_word_size * idx)); + switch (map->cache_word_size) { case 1: { const u8 *cache = base; -- 2.7.4