linux-kernel - [PATCH 4.5 19/88] clk: rockchip: fix wrong mmc phase shift for rk3228

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Date:	Mon,  9 May 2016 09:21:08 +0200
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, Shawn Lin <shawn.lin@...k-chips.com>,
	Xing Zheng <zhengxing@...k-chips.com>,
	Heiko Stuebner <heiko@...ech.de>
Subject: [PATCH 4.5 19/88] clk: rockchip: fix wrong mmc phase shift for rk3228

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

------------------

From: Shawn Lin <shawn.lin@...k-chips.com>

commit bb07698fc8d13ec74f4f5bd87b04953777ee6982 upstream.

mmc sample shift is 0 for rk3228 refer to user manaul.
So it's broken if we enable mmc tuning for rk3228.

Fixes: 307a2e9ac ("clk: rockchip: add clock controller for rk3228")
Signed-off-by: Shawn Lin <shawn.lin@...k-chips.com>
Reviewed-by: Xing Zheng <zhengxing@...k-chips.com>
Signed-off-by: Heiko Stuebner <heiko@...ech.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/clk/rockchip/clk-rk3228.c |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

--- a/drivers/clk/rockchip/clk-rk3228.c
+++ b/drivers/clk/rockchip/clk-rk3228.c
@@ -605,13 +605,13 @@ static struct rockchip_clk_branch rk3228
 
 	/* PD_MMC */
 	MMC(SCLK_SDMMC_DRV,    "sdmmc_drv",    "sclk_sdmmc", RK3228_SDMMC_CON0, 1),
-	MMC(SCLK_SDMMC_SAMPLE, "sdmmc_sample", "sclk_sdmmc", RK3228_SDMMC_CON1, 1),
+	MMC(SCLK_SDMMC_SAMPLE, "sdmmc_sample", "sclk_sdmmc", RK3228_SDMMC_CON1, 0),
 
 	MMC(SCLK_SDIO_DRV,     "sdio_drv",     "sclk_sdio",  RK3228_SDIO_CON0,  1),
-	MMC(SCLK_SDIO_SAMPLE,  "sdio_sample",  "sclk_sdio",  RK3228_SDIO_CON1,  1),
+	MMC(SCLK_SDIO_SAMPLE,  "sdio_sample",  "sclk_sdio",  RK3228_SDIO_CON1,  0),
 
 	MMC(SCLK_EMMC_DRV,     "emmc_drv",     "sclk_emmc",  RK3228_EMMC_CON0,  1),
-	MMC(SCLK_EMMC_SAMPLE,  "emmc_sample",  "sclk_emmc",  RK3228_EMMC_CON1,  1),
+	MMC(SCLK_EMMC_SAMPLE,  "emmc_sample",  "sclk_emmc",  RK3228_EMMC_CON1,  0),
 };
 
 static const char *const rk3228_critical_clocks[] __initconst = {