From 81b0670bb5d06bd3b690d1a07e34cd91060a854d Mon Sep 17 00:00:00 2001 From: Marek Vasut Date: Mon, 25 Nov 2013 09:47:00 +0100 Subject: [PATCH] ahci: imx: Explicitly clear IMX6Q_GPR13_SATA_MPLL_CLK_EN commit 10becdb402af4fd4808a0491a726b96128c41076 upstream. We must clear this IMX6Q_GPR13_SATA_MPLL_CLK_EN bit on i.MX6Q, otherwise Linux will fail to find the attached drive on some boards. This entire fix was: Reported-by: Eric Nelson Signed-off-by: Marek Vasut Reviewed-by: Shawn Guo Cc: Richard Zhu Cc: Linux-IDE Signed-off-by: Tejun Heo Signed-off-by: Greg Kroah-Hartman --- drivers/ata/ahci_imx.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/ata/ahci_imx.c b/drivers/ata/ahci_imx.c index 58debb0acc3a..566cca4f9dc2 100644 --- a/drivers/ata/ahci_imx.c +++ b/drivers/ata/ahci_imx.c @@ -60,7 +60,7 @@ static int imx6q_sata_init(struct device *dev, void __iomem *mmio) /* * set PHY Paremeters, two steps to configure the GPR13, * one write for rest of parameters, mask of first write - * is 0x07fffffd, and the other one write for setting + * is 0x07ffffff, and the other one write for setting * the mpll_clk_en. */ regmap_update_bits(imxpriv->gpr, 0x34, IMX6Q_GPR13_SATA_RX_EQ_VAL_MASK @@ -71,6 +71,7 @@ static int imx6q_sata_init(struct device *dev, void __iomem *mmio) | IMX6Q_GPR13_SATA_TX_ATTEN_MASK | IMX6Q_GPR13_SATA_TX_BOOST_MASK | IMX6Q_GPR13_SATA_TX_LVL_MASK + | IMX6Q_GPR13_SATA_MPLL_CLK_EN | IMX6Q_GPR13_SATA_TX_EDGE_RATE , IMX6Q_GPR13_SATA_RX_EQ_VAL_3_0_DB | IMX6Q_GPR13_SATA_RX_LOS_LVL_SATA2M -- 2.34.1