Changeset 772 for GPL/trunk/lib32/regcache.c

Timestamp:

Apr 19, 2025, 8:08:37 PM (5 months ago)

Author:

David Azarewicz

Message:

Merge in changes from 6.6-LTS branch.
Fixed additional 25+ problems.

Location:

GPL/trunk

Files:

• . (modified) (1 prop)
• lib32/regcache.c (modified) (3 diffs)

GPL/trunk/lib32/regcache.c

@@ -24 +24 @@
 static const struct regcache_ops *cache_types[] = {
         &regcache_rbtree_ops,
-#if IS_ENABLED(CONFIG_REGCACHE_COMPRESSED)
-        &regcache_lzo_ops,
+#ifndef TARGET_OS2 // Not (yet?) supported
+        &regcache_maple_ops,
 #endif
         &regcache_flat_ops,
@@ -562 +562 @@
 EXPORT_SYMBOL_GPL(regcache_cache_bypass);
 
+/**
+ * regcache_reg_cached - Check if a register is cached
+ *
+ * @map: map to check
+ * @reg: register to check
+ *
+ * Reports if a register is cached.
+ */
+bool regcache_reg_cached(struct regmap *map, unsigned int reg)
+{
+        unsigned int val;
+        int ret;
+
+        map->lock(map->lock_arg);
+
+        ret = regcache_read(map, reg, &val);
+
+        map->unlock(map->lock_arg);
+
+        return ret == 0;
+}
+EXPORT_SYMBOL_GPL(regcache_reg_cached);
+
 bool regcache_set_val(struct regmap *map, void *base, unsigned int idx,
                       unsigned int val)
@@ -729 +752 @@
         count = (cur - base) / map->reg_stride;
 
-        dev_dbg(map->dev, "Writing %zu bytes for %d registers from 0x%x-0x%x\n",
+        dev_dbg(map->dev, "Writing %lu bytes for %d registers from 0x%x-0x%x\n",
                 count * val_bytes, count, base, cur - map->reg_stride);