From: Lei Wen <leiwen@marvell.com>
Date: Sat, 8 Oct 2011 04:14:54 +0000 (+0000)
Subject: mmc: sdhci: fix cache flush
X-Git-Tag: v2011.12-rc1~333^2~5
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=2c2ec4c969e1d3db940679c63e8f749d1129c190;p=platform%2Fkernel%2Fu-boot.git

mmc: sdhci: fix cache flush

Only flush the memory range needed.

Signed-off-by: Lei Wen <leiwen@marvell.com>
---

diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c
index 9ebd33d..4a92453 100644
--- a/drivers/mmc/sdhci.c
+++ b/drivers/mmc/sdhci.c
@@ -196,7 +196,7 @@ int sdhci_send_command(struct mmc *mmc, struct mmc_cmd *cmd,
 
 	sdhci_writel(host, cmd->cmdarg, SDHCI_ARGUMENT);
 #ifdef CONFIG_MMC_SDMA
-	flush_cache(0, ~0);
+	flush_cache(start_addr, trans_bytes);
 #endif
 	sdhci_writew(host, SDHCI_MAKE_CMD(cmd->cmdidx, flags), SDHCI_COMMAND);
 	do {