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mmc: fix dest address

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After reading data from mmc, dest pointer will point to
the end address. To calculate the start of dest pointer
number of bytes copied has to be subtracted.

Signed-off-by: Rajkumar Ayyasamy <arajkuma@codeaurora.org>
Change-Id: I24610a3b3bb498c4ee4ebba58e557d109c6af1ef
This commit is contained in:
Rajkumar Ayyasamy 2020-09-04 14:47:54 +05:30 • committed by Gerrit - the friendly Code Review server
parent 2e249ffd6b
commit f5838b7edc
1 changed files with 2 additions and 1 deletions
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3
drivers/mmc/mmc.c
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@ -272,7 +272,8 @@ static ulong mmc_bread(int dev_num, lbaint_t start, lbaint_t blkcnt, void *dst)
dst += cur * mmc->read_bl_len;
} while (blocks_todo > 0);
#if !defined(CONFIG_SYS_DCACHE_OFF)
flush_cache((unsigned long)dst, blkcnt * mmc->read_bl_len);
flush_cache((unsigned long)dst - ( blkcnt * mmc->read_bl_len),
blkcnt * mmc->read_bl_len);
#endif
return blkcnt;