From: Shawn Lin <shawn.lin@rock-chips.com>
Date: Fri, 27 May 2016 06:54:50 +0000 (+0800)
Subject: mmc: core: don't check card status when flushing cache
X-Git-Tag: firefly_0821_release~2594
X-Git-Url: http://plrg.eecs.uci.edu/git/?p=firefly-linux-kernel-4.4.55.git;a=commitdiff_plain;h=53eb7ca76b981809e0362038f4a82930c8b1cc8f;hp=64f9234b9b05d1df85baeba2a072b69ef435b4dc

mmc: core: don't check card status when flushing cache

It's meaningless to check the card's status which execute
the on-going flush. As the status been responsed make no
any sense here.

Change-Id: I34197d1c93c01337dd2e68ec22e3ce8dd195c424
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
---

diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index 5afb319bb40e..44432229acc5 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -2785,8 +2785,9 @@ int mmc_flush_cache(struct mmc_card *card)
 	if (mmc_card_mmc(card) &&
 			(card->ext_csd.cache_size > 0) &&
 			(card->ext_csd.cache_ctrl & 1)) {
-		err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
-				EXT_CSD_FLUSH_CACHE, 1, 0);
+		err = __mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
+				   EXT_CSD_FLUSH_CACHE, 1, 1,
+				   true, false, false);
 		if (err)
 			pr_err("%s: cache flush error %d\n",
 					mmc_hostname(card->host), err);