From: Jaehoon Chung <jh80.chung@samsung.com>
Date: Thu, 13 Oct 2016 01:33:06 +0000 (+0900)
Subject: mmc: sdhci: fix the "misaligned operation at range" for cache
X-Git-Tag: v2016.11-rc3~34^2~4
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=be256cbf0456865471ff63dd7579cd6404574c44;p=u-boot

mmc: sdhci: fix the "misaligned operation at range" for cache

This pathc is fixed the below thing.
If misaligned the cache range, Just flush to CACHLINE_SIZE.
"CACHE: Misaligned operation at range [7ae55b00, 7ae55b08]"

Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
---

diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c
index 837c53842b..10ff57ec8c 100644
--- a/drivers/mmc/sdhci.c
+++ b/drivers/mmc/sdhci.c
@@ -242,6 +242,7 @@ static int sdhci_send_command(struct mmc *mmc, struct mmc_cmd *cmd,
 
 	sdhci_writel(host, cmd->cmdarg, SDHCI_ARGUMENT);
 #ifdef CONFIG_MMC_SDMA
+	trans_bytes = ALIGN(trans_bytes, CONFIG_SYS_CACHELINE_SIZE);
 	flush_cache(start_addr, trans_bytes);
 #endif
 	sdhci_writew(host, SDHCI_MAKE_CMD(cmd->cmdidx, flags), SDHCI_COMMAND);