From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Date: Wed, 16 Nov 2011 09:10:41 +0000 (+0100)
Subject: mmc: sh_mmcif: fix clock gating on platforms with a .down_pwr() method
X-Git-Tag: upstream/snapshot3+hdmi~8523^2~6
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=f6bc41fb08cbd6943df358437e0af90c91a3caa3;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

mmc: sh_mmcif: fix clock gating on platforms with a .down_pwr() method

Do not power down the card in .set_ios(), unless MMC_POWER_OFF is
requested. This fixes the MMCIF interface functionality on ecovec boards.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Chris Ball <cjb@laptop.org>
---

diff --git a/drivers/mmc/host/sh_mmcif.c b/drivers/mmc/host/sh_mmcif.c
index 369366c..d5505f3 100644
--- a/drivers/mmc/host/sh_mmcif.c
+++ b/drivers/mmc/host/sh_mmcif.c
@@ -908,7 +908,7 @@ static void sh_mmcif_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
 		if (host->power) {
 			pm_runtime_put(&host->pd->dev);
 			host->power = false;
-			if (p->down_pwr)
+			if (p->down_pwr && ios->power_mode == MMC_POWER_OFF)
 				p->down_pwr(host->pd);
 		}
 		host->state = STATE_IDLE;