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rockchip: blk: remove cache operation 

The underlying drivers should be responsible
for the cache operation.

Change-Id: Iff19807fc5f72295e721511081846e34291d7770
Signed-off-by: Andy Yan <andy.yan@rock-chips.com>
This commit is contained in:
Andy Yan 2017-11-08 20:42:43 +08:00
parent 2b0c24e04f
commit 6f00aaa207
1 changed files with 1 additions and 3 deletions
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4
arch/arm/mach-rockchip/blk.c
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@ -29,13 +29,11 @@ struct mmc *mmcblk_dev_init(int dev)
static int mmcblk_read(struct mmc *mmcdev, void *buffer, u32 blk, u32 cnt)
{
u32 n;
ulong start = (ulong)buffer;
debug("\nMMC read: block # 0x%x, count 0x%x to %p... ", blk, cnt, buffer);
n = blk_dread(mmc_get_blk_desc(mmcdev), blk, cnt, buffer);
/* invalidate cache after read via dma */
invalidate_dcache_range(start, start + cnt * 512);
debug("%d blocks read: %s\n", n, (n == cnt) ? "OK" : "ERROR");
return (n == cnt) ? 0 : -EIO;