From: xiaoyao <xiaoyao@rock-chips.com>
Date: Wed, 9 Mar 2016 06:10:52 +0000 (+0800)
Subject: mmc: sdio: call mmc_power_cycle before re-init sdio devices
X-Git-Tag: firefly_0821_release~3234
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=b01b93bf4efed51a96c8c6ce3f8a29ee3b10ed4a;p=firefly-linux-kernel-4.4.55.git

mmc: sdio: call mmc_power_cycle before re-init sdio devices

Change-Id: I4ae9bb385c9235eb184de0f3bf06719b056f4842
Signed-off-by: xiaoyao <xiaoyao@rock-chips.com>
---

diff --git a/drivers/mmc/core/sdio.c b/drivers/mmc/core/sdio.c
index b67ec30086e0..fa69d2fc5c5b 100644
--- a/drivers/mmc/core/sdio.c
+++ b/drivers/mmc/core/sdio.c
@@ -1231,6 +1231,7 @@ int sdio_reset_comm(struct mmc_card *card)
 
 	mmc_retune_disable(host);
 
+	mmc_power_cycle(host, host->card->ocr);
 	mmc_go_idle(host);
 
 	mmc_set_clock(host, host->f_min);