regmap: Fix for v3.14

One fix here, for syncing the last register in a cache block when the
 register map has a stride.  This is a fairly unusual hardware
 configuration and the fact that it only affects the last register in a
 block makes the issue rarer still.
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Merge tag 'regmap-v3.14-rc4' into regmap-linus

regmap: Fix for v3.14

One fix here, for syncing the last register in a cache block when the
register map has a stride.  This is a fairly unusual hardware
configuration and the fact that it only affects the last register in a
block makes the issue rarer still.

# gpg: Signature made Sun 23 Feb 2014 04:36:37 GMT using RSA key ID 7EA229BD
# gpg: Good signature from "Mark Brown <broonie@sirena.org.uk>"
# gpg:                 aka "Mark Brown <broonie@debian.org>"
# gpg:                 aka "Mark Brown <broonie@kernel.org>"
# gpg:                 aka "Mark Brown <broonie@tardis.ed.ac.uk>"
# gpg:                 aka "Mark Brown <broonie@linaro.org>"
# gpg:                 aka "Mark Brown <Mark.Brown@linaro.org>"

drivers/base/regmap/regcache.c

@@ -636,10 +636,10 @@ static int regcache_sync_block_raw_flush(struct regmap *map, const void **data,
 	if (*data == NULL)
 		return 0;
 
-	count = cur - base;
+	count = (cur - base) / map->reg_stride;
 
 	dev_dbg(map->dev, "Writing %zu bytes for %d registers from 0x%x-0x%x\n",
-		count * val_bytes, count, base, cur - 1);
+		count * val_bytes, count, base, cur - map->reg_stride);
 
 	map->cache_bypass = 1;