diff options
| author | Victor Kamensky <victor.kamensky@linaro.org> | 2013-07-29 22:03:27 -0700 |
|---|---|---|
| committer | Gary S. Robertson <gary.robertson@linaro.org> | 2015-06-16 14:33:03 -0500 |
| commit | 1b47a5518ec7d3db40086b29794f7688c14e962b (patch) | |
| tree | cbcec14add53b3558b535d923decfb8493588672 | |
| parent | 2e36a48f6ceafe71952087bca33b8653cb9b4592 (diff) | |
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>
| -rw-r--r-- | include/linux/mtd/map.h | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/include/linux/mtd/map.h b/include/linux/mtd/map.h index 5f487d776411..21732b5bc666 100644 --- a/include/linux/mtd/map.h +++ b/include/linux/mtd/map.h @@ -397,11 +397,11 @@ static inline map_word inline_map_read(struct map_info *map, unsigned long ofs) 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 map_word inline_map_read(struct map_info *map, unsigned long ofs) 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); |