commit 05440ad637ca2d0921d9a908bb02b99abdedf847
author Victor Kamensky <victor.kamensky@linaro.org> Mon Jul 29 22:03:27 2013 -0700
committer Andrey Konovalov <andrey.konovalov@linaro.org> Wed Apr 16 23:51:57 2014 +0400
tree 156446f65807f167e4c582dc813485103c710001
parent 88c9d2670ceb7d062c4fb3ed770210d61701e8f8

mtd: map.h endian fix

Need to use endian neutral functions to read/write LE h/w registers. I.e
insted of __raw_readl and _raw_writel, readl_relaxed and writel_relaxed. If
the first just read/write register with memory barrier, the second will
byteswap it if host operates in BE mode.

Signed-off-by: Victor Kamensky <victor.kamensky@linaro.org>

include/linux/mtd/map.h

diff --git a/include/linux/mtd/map.h b/include/linux/mtd/map.h
index 5f487d7..21732b5 100644
--- a/include/linux/mtd/map.h
+++ b/include/linux/mtd/map.h
@@ -397,11 +397,11 @@
 	map_word r;
 
 	if (map_bankwidth_is_1(map))
-		r.x[0] = __raw_readb(map->virt + ofs);
+		r.x[0] = readb_relaxed(map->virt + ofs);
 	else if (map_bankwidth_is_2(map))
-		r.x[0] = __raw_readw(map->virt + ofs);
+		r.x[0] = readw_relaxed(map->virt + ofs);
 	else if (map_bankwidth_is_4(map))
-		r.x[0] = __raw_readl(map->virt + ofs);
+		r.x[0] = readl_relaxed(map->virt + ofs);
 #if BITS_PER_LONG >= 64
 	else if (map_bankwidth_is_8(map))
 		r.x[0] = __raw_readq(map->virt + ofs);
@@ -417,11 +417,11 @@
 static inline void inline_map_write(struct map_info *map, const map_word datum, unsigned long ofs)
 {
 	if (map_bankwidth_is_1(map))
-		__raw_writeb(datum.x[0], map->virt + ofs);
+		writeb_relaxed(datum.x[0], map->virt + ofs);
 	else if (map_bankwidth_is_2(map))
-		__raw_writew(datum.x[0], map->virt + ofs);
+		writew_relaxed(datum.x[0], map->virt + ofs);
 	else if (map_bankwidth_is_4(map))
-		__raw_writel(datum.x[0], map->virt + ofs);
+		writel_relaxed(datum.x[0], map->virt + ofs);
 #if BITS_PER_LONG >= 64
 	else if (map_bankwidth_is_8(map))
 		__raw_writeq(datum.x[0], map->virt + ofs);