From: marex@denx.de (Marek Vasut)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/6] ahci: imx: Explicitly clear IMX6Q_GPR13_SATA_MPLL_CLK_EN
Date: Wed, 20 Nov 2013 11:17:34 +0100 [thread overview]
Message-ID: <1384942659-5362-1-git-send-email-marex@denx.de> (raw)
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>
---
drivers/ata/ahci_imx.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/ata/ahci_imx.c b/drivers/ata/ahci_imx.c
index ae2d73f..478921b 100644
--- a/drivers/ata/ahci_imx.c
+++ b/drivers/ata/ahci_imx.c
@@ -125,6 +125,7 @@ static int imx6q_sata_init(struct device *dev, void __iomem *mmio)
| IMX6Q_GPR13_SATA_TX_BOOST_MASK
| IMX6Q_GPR13_SATA_TX_LVL_MASK
| IMX6Q_GPR13_SATA_TX_EDGE_RATE
+ | IMX6Q_GPR13_SATA_MPLL_CLK_EN
, IMX6Q_GPR13_SATA_RX_EQ_VAL_3_0_DB
| IMX6Q_GPR13_SATA_RX_LOS_LVL_SATA2M
| IMX6Q_GPR13_SATA_RX_DPLL_MODE_2P_4F
--
1.8.4.2
next reply other threads:[~2013-11-20 10:17 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-11-20 10:17 Marek Vasut [this message]
2013-11-20 10:17 ` [PATCH V4 2/6] ahci: imx: Pull out the clock enable/disable calls Marek Vasut
2013-11-20 12:55 ` Shawn Guo
2013-11-20 10:17 ` [PATCH V4 3/6] ahci: imx: Add i.MX53 support Marek Vasut
2013-11-20 10:17 ` [PATCH V2 4/6] ARM: imx: imx53: Add SATA PHY clock Marek Vasut
2013-11-20 10:17 ` [PATCH V2 5/6] ARM: dts: imx53: Add AHCI SATA DT node Marek Vasut
2013-11-20 10:17 ` [PATCH 6/6] ARM: dts: imx53: Enable AHCI SATA for M53EVK Marek Vasut
2013-11-20 10:27 ` [RESEND PATCH 1/6] ahci: imx: Explicitly clear IMX6Q_GPR13_SATA_MPLL_CLK_EN Marek Vasut
2013-11-20 12:51 ` Shawn Guo
2013-11-20 14:59 ` Tejun Heo
2013-11-20 15:11 ` Marek Vasut
2013-11-20 15:13 ` Tejun Heo
2013-11-22 10:47 ` Marek Vasut
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