---

yaml --- r: 267007 b: refs/heads/master c: 6eb0f5e h: refs/heads/master i: 267005: 20a2ce5 267003: 4829ed3 266999: 30714a1 266991: b47aebd 266975: 6f49f53 266943: d3e17b2 266879: da3d851 266751: 298bff5 v: v3
git-mirror · Sep 30, 2011 · 0a25e4a · 0a25e4a
1 parent 35300fe
commit 0a25e4a
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Showing 3 changed files with 21 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: beb1a10f219ce720c13168203bd5ebe4ce7879e0
+refs/heads/master: 6eb0f5e0154facfe4f0acdb9f474cde773319efc
diff --git a/trunk/drivers/base/regmap/regcache.c b/trunk/drivers/base/regmap/regcache.c
@@ -286,6 +286,25 @@ void regcache_cache_only(struct regmap *map, bool enable)
 }
 EXPORT_SYMBOL_GPL(regcache_cache_only);
 
+/**
+ * regcache_cache_bypass: Put a register map into cache bypass mode
+ *
+ * @map: map to configure
+ * @cache_only: flag if changes should not be written to the hardware
+ *
+ * When a register map is marked with the cache bypass option, writes
+ * to the register map API will only update the hardware and not the
+ * the cache directly.  This is useful when syncing the cache back to
+ * the hardware.
+ */
+void regcache_cache_bypass(struct regmap *map, bool enable)
+{
+	mutex_lock(&map->lock);
+	map->cache_bypass = enable;
+	mutex_unlock(&map->lock);
+}
+EXPORT_SYMBOL_GPL(regcache_cache_bypass);
+
 bool regcache_set_val(void *base, unsigned int idx,
 		      unsigned int val, unsigned int word_size)
 {

diff --git a/trunk/include/linux/regmap.h b/trunk/include/linux/regmap.h
@@ -142,5 +142,6 @@ int regmap_update_bits(struct regmap *map, unsigned int reg,
 
 int regcache_sync(struct regmap *map);
 void regcache_cache_only(struct regmap *map, bool enable);
+void regcache_cache_bypass(struct regmap *map, bool enable);
 
 #endif