linux-kernel - [PATCH 3.12 14/82] mmc: sdhci-esdhc: Make 8BIT bus work

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Date:	Mon, 24 Aug 2015 11:08:34 +0200
From:	Jiri Slaby <jslaby@...e.cz>
To:	stable@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org,
	Joakim Tjernlund <Joakim.Tjernlund@...nsmode.se>,
	Joakim Tjernlund <joakim.tjernlund@...nsmode.se>,
	Ulf Hansson <ulf.hansson@...aro.org>,
	Jiri Slaby <jslaby@...e.cz>
Subject: [PATCH 3.12 14/82] mmc: sdhci-esdhc: Make 8BIT bus work

From: Joakim Tjernlund <Joakim.Tjernlund@...nsmode.se>

3.12-stable review patch.  If anyone has any objections, please let me know.

===============

commit 8e91125ff3f57f15c6568e2a6d32743b3f7815e4 upstream.

Support for 8BIT bus with was added some time ago to sdhci-esdhc but
then missed to remove the 8BIT from the reserved bit mask which made
8BIT non functional.

Fixes: 66b50a00992d ("mmc: esdhc: Add support for 8-bit bus width and..")
Signed-off-by: Joakim Tjernlund <joakim.tjernlund@...nsmode.se>
Signed-off-by: Ulf Hansson <ulf.hansson@...aro.org>
Signed-off-by: Jiri Slaby <jslaby@...e.cz>
---
 drivers/mmc/host/sdhci-esdhc.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mmc/host/sdhci-esdhc.h b/drivers/mmc/host/sdhci-esdhc.h
index a2a06420e463..ebff71092743 100644
--- a/drivers/mmc/host/sdhci-esdhc.h
+++ b/drivers/mmc/host/sdhci-esdhc.h
@@ -47,7 +47,7 @@
 #define ESDHC_DMA_SYSCTL	0x40c
 #define ESDHC_DMA_SNOOP		0x00000040
 
-#define ESDHC_HOST_CONTROL_RES	0x05
+#define ESDHC_HOST_CONTROL_RES	0x01
 
 static inline void esdhc_set_clock(struct sdhci_host *host, unsigned int clock,
 				   unsigned int host_clock)
-- 
2.5.0

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