diff options
| author | Marek Vasut <marex@denx.de> | 2013-11-25 09:47:00 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-01-09 12:25:12 -0800 |
| commit | 81b0670bb5d06bd3b690d1a07e34cd91060a854d (patch) | |
| tree | d1fe3bbde7b80940ae4e1ddd028b6031c7a22f0d /drivers/ata | |
| parent | d71c346c8c008f1b27eecdc15fa2fb5fb8fa1751 (diff) | |
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 <eric.nelson@boundarydevices.com>
Signed-off-by: Marek Vasut <marex@denx.de>
Reviewed-by: Shawn Guo <shawn.guo@linaro.org>
Cc: Richard Zhu <r65037@freescale.com>
Cc: Linux-IDE <linux-ide@vger.kernel.org>
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/ata')
| -rw-r--r-- | drivers/ata/ahci_imx.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/ata/ahci_imx.c b/drivers/ata/ahci_imx.c index 58debb0acc3..566cca4f9dc 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 |