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mmc: fsl_esdhc: fix check_and_invalidate_dcache_range function 

In function check_and_invalidate_dcache_range(), there are incorrect
start address and end address of the dcache range calculated for
Layerscape platforms. This patch is to fix this issue.

Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
This commit is contained in:
Yangbo Lu 2016-05-12 19:12:58 +08:00 committed by York Sun
parent e04f9d0c2f
commit cc634e2836
1 changed files with 4 additions and 5 deletions
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9
drivers/mmc/fsl_esdhc.c
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@ -308,14 +308,10 @@ static int esdhc_setup_data(struct mmc *mmc, struct mmc_data *data)
static void check_and_invalidate_dcache_range
(struct mmc_cmd *cmd,
struct mmc_data *data) {
#ifdef CONFIG_FSL_LAYERSCAPE
unsigned start = 0;
#else
unsigned start = (unsigned)data->dest ;
#endif
unsigned end = 0;
unsigned size = roundup(ARCH_DMA_MINALIGN,
data->blocks*data->blocksize);
unsigned end = start+size ;
#ifdef CONFIG_FSL_LAYERSCAPE
dma_addr_t addr;
@ -324,7 +320,10 @@ static void check_and_invalidate_dcache_range
printf("Error found for upper 32 bits\n");
else
start = lower_32_bits(addr);
#else
start = (unsigned)data->dest;
#endif
end = start + size;
invalidate_dcache_range(start, end);
}