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From: hdegoede@redhat.com (Hans de Goede)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v5 12/14] ahci-imx: Fix link not coming back up after suspend / resume
Date: Wed, 22 Jan 2014 20:04:47 +0100	[thread overview]
Message-ID: <1390417489-5354-13-git-send-email-hdegoede@redhat.com> (raw)
In-Reply-To: <1390417489-5354-1-git-send-email-hdegoede@redhat.com>

The phy needs to be re-initialized on resume for the link to properly come
back up.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
---
 drivers/ata/ahci_imx.c | 22 +++-------------------
 1 file changed, 3 insertions(+), 19 deletions(-)

diff --git a/drivers/ata/ahci_imx.c b/drivers/ata/ahci_imx.c
index e58e062..68d89fa 100644
--- a/drivers/ata/ahci_imx.c
+++ b/drivers/ata/ahci_imx.c
@@ -265,27 +265,11 @@ static int imx_ahci_resume(struct device *dev)
 {
 	struct ata_host *host = dev_get_drvdata(dev);
 	struct ahci_host_priv *hpriv = host->private_data;
-	struct imx_ahci_priv *imxpriv = hpriv->plat_data;
 	int ret;
 
-	if (hpriv->target_pwr) {
-		ret = regulator_enable(hpriv->target_pwr);
-		if (ret)
-			return ret;
-	}
-
-	if (!imxpriv->no_device) {
-		ret = ahci_platform_enable_clks(hpriv);
-		if (ret < 0) {
-			dev_err(dev, "pre-enable sata_ref clock err:%d\n", ret);
-			return ret;
-		}
-
-		regmap_update_bits(imxpriv->gpr, IOMUXC_GPR13,
-				IMX6Q_GPR13_SATA_MPLL_CLK_EN,
-				IMX6Q_GPR13_SATA_MPLL_CLK_EN);
-		usleep_range(1000, 2000);
-	}
+	ret = imx_ahci_phy_init(hpriv);
+	if (ret)
+		return ret;
 
 	return ahci_platform_resume_host(dev);
 }
-- 
1.8.5.3

  parent reply	other threads:[~2014-01-22 19:04 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-01-22 19:04 [PATCH v5 00/14] ahci: library-ise ahci_platform, add sunxi driver and cleanup imx driver Hans de Goede
2014-01-22 19:04 ` [PATCH v5 01/14] libahci: Allow drivers to override start_engine Hans de Goede
2014-01-22 19:04 ` [PATCH v5 02/14] libahci: Move ahci_host_priv declaration to include/linux/ahci.h Hans de Goede
2014-01-22 19:04 ` [PATCH v5 03/14] ahci-platform: Pass ahci_host_priv ptr to ahci_platform_data init method Hans de Goede
2014-01-22 19:04 ` [PATCH v5 04/14] ahci-platform: Add support for devices with more then 1 clock Hans de Goede
2014-01-22 19:04 ` [PATCH v5 05/14] ahci-platform: Add support for an optional regulator for sata-target power Hans de Goede
2014-01-22 19:04 ` [PATCH v5 06/14] ahci-platform: Add enable_ / disable_resources helper functions Hans de Goede
2014-01-22 19:04 ` [PATCH v5 07/14] ahci-platform: "Library-ise" ahci_probe functionality Hans de Goede
2014-01-27 10:39   ` Roger Quadros
2014-01-27 10:51     ` Hans de Goede
2014-01-27 11:03       ` Roger Quadros
2014-01-27 11:28         ` Hans de Goede
2014-01-27 14:27           ` Roger Quadros
2014-01-22 19:04 ` [PATCH v5 08/14] ahci-platform: "Library-ise" suspend / resume functionality Hans de Goede
2014-02-03 14:53   ` Arnd Bergmann
2014-02-04 10:20     ` Hans de Goede
2014-01-22 19:04 ` [PATCH v5 09/14] ARM: sunxi: Add support for Allwinner SUNXi SoCs sata to ahci_platform Hans de Goede
2014-01-22 19:04 ` [PATCH v5 10/14] ahci-imx: Port to library-ised ahci_platform Hans de Goede
2014-01-22 19:04 ` [PATCH v5 11/14] ahci-imx: Add imx_ahci_phy_init / _exit helpers Hans de Goede
2014-01-22 19:04 ` Hans de Goede [this message]
2014-01-22 19:04 ` [PATCH v5 13/14] ARM: sun4i: dts: Add ahci / sata support Hans de Goede
2014-01-23  8:34   ` [linux-sunxi] " Chen-Yu Tsai
2014-01-23 14:48     ` Hans de Goede
2014-01-31 13:45   ` Maxime Ripard
2014-02-03 10:35     ` Hans de Goede
2014-02-04  9:44       ` Maxime Ripard
2014-01-22 19:04 ` [PATCH v5 14/14] ARM: sun7i: " Hans de Goede
2014-01-31 13:46   ` Maxime Ripard
2014-02-03 22:10     ` Hans de Goede
2014-02-03 16:09 ` [PATCH v5 00/14] ahci: library-ise ahci_platform, add sunxi driver and cleanup imx driver Tejun Heo
2014-02-03 22:07   ` Hans de Goede

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