From cc634e283659096e792f9515e6a9268b58179954 Mon Sep 17 00:00:00 2001
From: Yangbo Lu <yangbo.lu@nxp.com>
Date: Thu, 12 May 2016 19:12:58 +0800
Subject: [PATCH] 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>
---
drivers/mmc/fsl_esdhc.c | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)
diff --git a/drivers/mmc/fsl_esdhc.c b/drivers/mmc/fsl_esdhc.c
index 3acf9e8820..57ad9754f5 100644
--- 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);
}
--
2.39.5