linux-kernel - [PATCH 7/10] OMAP: HSMMC: Disable SDBP at suspend

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Date:	Thu, 12 Mar 2009 18:23:39 +0200
From:	Adrian Hunter <adrian.hunter@...ia.com>
To:	Pierre Ossman <drzeus-mmc@...eus.cx>
Cc:	Jarkko Lavinen <jarkko.lavinen@...ia.com>,
	Adrian Hunter <adrian.hunter@...ia.com>,
	Grazvydas Ignotas <notasas@...il.com>,
	David Brownell <david-b@...bell.net>,
	linux-omap Mailing List <linux-omap@...r.kernel.org>,
	Tony Lindgren <tony@...mide.com>,
	lkml <linux-kernel@...r.kernel.org>
Subject: [PATCH 7/10] OMAP: HSMMC: Disable SDBP at suspend

>From 999afd472603ec1d572c34525e01d5215304addb Mon Sep 17 00:00:00 2001
From: Jarkko Lavinen <jarkko.lavinen@...ia.com>
Date: Thu, 12 Mar 2009 15:30:58 +0200
Subject: [PATCH] OMAP: HSMMC: Disable SDBP at suspend

Turn off the bus power at suspend.

Signed-off-by: Jarkko Lavinen <jarkko.lavinen@...ia.com>
Signed-off-by: Adrian Hunter <adrian.hunter@...ia.com>
---
 drivers/mmc/host/omap_hsmmc.c |   16 ++--------------
 1 files changed, 2 insertions(+), 14 deletions(-)

diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index 7a9ca4f..2832651 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -1214,20 +1214,8 @@ static int omap_mmc_suspend(struct platform_device *pdev, pm_message_t state)
 						" level suspend\n");
 			}
 
-			if (host->id == OMAP_MMC1_DEVID
-					&& !(OMAP_HSMMC_READ(host->base, HCTL)
-							& SDVSDET)) {
-				OMAP_HSMMC_WRITE(host->base, HCTL,
-					OMAP_HSMMC_READ(host->base, HCTL)
-					& SDVSCLR);
-				OMAP_HSMMC_WRITE(host->base, HCTL,
-					OMAP_HSMMC_READ(host->base, HCTL)
-					| SDVS30);
-				OMAP_HSMMC_WRITE(host->base, HCTL,
-					OMAP_HSMMC_READ(host->base, HCTL)
-					| SDBP);
-			}
-
+			OMAP_HSMMC_WRITE(host->base, HCTL,
+					 OMAP_HSMMC_READ(host->base, HCTL) & ~SDBP);
 			clk_disable(host->fclk);
 			clk_disable(host->iclk);
 			clk_disable(host->dbclk);
-- 
1.5.6.3

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