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>

diff --git a/drivers/mmc/fsl_esdhc.c b/drivers/mmc/fsl_esdhc.c
index 3acf9e88202f6c253f9ada4ea08cce3041ff1c09..57ad9754f56a1af12f63576f190bf8a153ac88c3 100644 (file)
--- a/drivers/mmc/fsl_esdhc.c
+++ b/drivers/mmc/fsl_esdhc.c
@@ -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);
 }