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authorOussama Ghorbel <ghorbel@pivasoftware.com>2014-11-04 11:47:06 +0530
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-11-05 14:34:06 -0800
commitf20531a9aae0c7378d9fa75b4b5d99b7eecab066 (patch)
treea78d41e0567f38e0f021c52738da577ebd776054 /drivers
parenta88098bdb272fb631a59fb152bfef7c827531294 (diff)
phy: omap-usb2: Enable runtime PM of omap-usb2 phy properly
The USB OTG port does not work since v3.16 on omap platform. This is a regression introduced by the commit eb82a3d846fa (phy: omap-usb2: Balance pm_runtime_enable() on probe failure and remove). This because the call to pm_runtime_enable() function is moved after the call to devm_phy_create() function, which has side effect since later in the subsequent calls of devm_phy_create() there is a check with pm_runtime_enabled() to configure few things. Fixes: eb82a3d846fa Signed-off-by: Oussama Ghorbel <ghorbel@pivasoftware.com> Tested-by: Rabin Vincent <rabin@rab.in> Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com> Cc: stable <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/phy/phy-omap-usb2.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/phy/phy-omap-usb2.c b/drivers/phy/phy-omap-usb2.c
index 8c842980834a..f091576b6449 100644
--- a/drivers/phy/phy-omap-usb2.c
+++ b/drivers/phy/phy-omap-usb2.c
@@ -258,14 +258,16 @@ static int omap_usb2_probe(struct platform_device *pdev)
otg->phy = &phy->phy;
platform_set_drvdata(pdev, phy);
+ pm_runtime_enable(phy->dev);
generic_phy = devm_phy_create(phy->dev, NULL, &ops, NULL);
- if (IS_ERR(generic_phy))
+ if (IS_ERR(generic_phy)) {
+ pm_runtime_disable(phy->dev);
return PTR_ERR(generic_phy);
+ }
phy_set_drvdata(generic_phy, phy);
- pm_runtime_enable(phy->dev);
phy_provider = devm_of_phy_provider_register(phy->dev,
of_phy_simple_xlate);
if (IS_ERR(phy_provider)) {