From: Yangbo Lu <yangbo.lu@nxp.com>
Date: Thu, 12 May 2016 11:12:58 +0000 (+0800)
Subject: mmc: fsl_esdhc: fix check_and_invalidate_dcache_range function
X-Git-Tag: v2016.07-rc1~26^2~18
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;ds=sidebyside;h=cc634e283659096e792f9515e6a9268b58179954;p=platform%2Fkernel%2Fu-boot.git

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 3acf9e8..57ad975 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);
 }