linux-kernel - [PATCH 2/4] mmc: sunxi: Correcting SDXC_HARDWARE

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Message-ID: <20141216003750.15488.23791.stgit@dizzy-6.o2s.ch>
Date:	Tue, 16 Dec 2014 01:37:51 +0100
From:	David Lanzendörfer <david.lanzendoerfer@....ch>
To:	Ulf Hansson <ulf.hansson@...aro.org>,
	Tomeu Vizoso <tomeu.vizoso@...labora.com>,
	Arnd Bergmann <arnd@...db.de>, linux-mmc@...r.kernel.org,
	Chris Ball <chris@...ntf.net>, linux-kernel@...r.kernel.org,
	Peter Griffin <peter.griffin@...aro.org>,
	Hans de Goede <hdegoede@...hat.com>,
	Chen-Yu Tsai <wens@...e.org>,
	David Lanzendörfer <david.lanzendoerfer@....ch>,
	李想 <lixiang@...winnertech.com>,
	Maxime Ripard <maxime.ripard@...e-electrons.com>,
	linux-arm-kernel@...ts.infradead.org
Subject: [PATCH 2/4] mmc: sunxi: Correcting SDXC_HARDWARE_RESET bit

Fixing the register name in sunxi_mmc_reset_host since the SDXC_HARDWARE_RESET bit
is actually located within REG_GCTRL and not REG_CMDR as it was pointed out by Allwinner.

Signed-off-by: David Lanzendörfer <david.lanzendoerfer@....ch>
Reported-by: 李想 <lixiang@...winnertech.com>
---
 drivers/mmc/host/sunxi-mmc.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mmc/host/sunxi-mmc.c b/drivers/mmc/host/sunxi-mmc.c
index 25ba321..50bd3d2 100644
--- a/drivers/mmc/host/sunxi-mmc.c
+++ b/drivers/mmc/host/sunxi-mmc.c
@@ -252,7 +252,7 @@ static int sunxi_mmc_reset_host(struct sunxi_mmc_host *host)
 	unsigned long expire = jiffies + msecs_to_jiffies(250);
 	u32 rval;
 
-	mmc_writel(host, REG_CMDR, SDXC_HARDWARE_RESET);
+	mmc_writel(host, REG_GCTRL, SDXC_HARDWARE_RESET);
 	do {
 		rval = mmc_readl(host, REG_GCTRL);
 	} while (time_before(jiffies, expire) && (rval & SDXC_HARDWARE_RESET));

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