phy: fixes for v4.1-rc

includes a fix in phy core w.r.t error checking, couple of fixes
 in kconfig one which fixes randconfig error and the other
 to fix dependency in QCOM PHY, driver fix in omap-usb2 in the
 error path and a driver fix in rcar-gen2 to fix bit location.
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Merge tag 'for-4.1-rc' of git://git.kernel.org/pub/scm/linux/kernel/git/kishon/linux-phy into usb-linus

Kishon writes:

phy: fixes for v4.1-rc

includes a fix in phy core w.r.t error checking, couple of fixes
in kconfig one which fixes randconfig error and the other
to fix dependency in QCOM PHY, driver fix in omap-usb2 in the
error path and a driver fix in rcar-gen2 to fix bit location.

drivers/phy/Kconfig

@@ -38,7 +38,9 @@ config ARMADA375_USBCLUSTER_PHY
 config PHY_DM816X_USB
 	tristate "TI dm816x USB PHY driver"
 	depends on ARCH_OMAP2PLUS
+	depends on USB_SUPPORT
 	select GENERIC_PHY
+	select USB_PHY
 	help
 	  Enable this for dm816x USB to work.
 
@@ -97,8 +99,9 @@ config OMAP_CONTROL_PHY
 config OMAP_USB2
 	tristate "OMAP USB2 PHY Driver"
 	depends on ARCH_OMAP2PLUS
-	depends on USB_PHY
+	depends on USB_SUPPORT
 	select GENERIC_PHY
+	select USB_PHY
 	select OMAP_CONTROL_PHY
 	depends on OMAP_OCP2SCP
 	help
@@ -122,8 +125,9 @@ config TI_PIPE3
 config TWL4030_USB
 	tristate "TWL4030 USB Transceiver Driver"
 	depends on TWL4030_CORE && REGULATOR_TWL4030 && USB_MUSB_OMAP2PLUS
-	depends on USB_PHY
+	depends on USB_SUPPORT
 	select GENERIC_PHY
+	select USB_PHY
 	help
 	  Enable this to support the USB OTG transceiver on TWL4030
 	  family chips (including the TWL5030 and TPS659x0 devices).
@@ -304,7 +308,7 @@ config PHY_STIH41X_USB
 
 config PHY_QCOM_UFS
 	tristate "Qualcomm UFS PHY driver"
-	depends on OF && ARCH_MSM
+	depends on OF && ARCH_QCOM
 	select GENERIC_PHY
 	help
 	  Support for UFS PHY on QCOM chipsets.

drivers/phy/phy-core.c

@@ -530,7 +530,7 @@ struct phy *phy_optional_get(struct device *dev, const char *string)
 {
 	struct phy *phy = phy_get(dev, string);
 
-	if (PTR_ERR(phy) == -ENODEV)
+	if (IS_ERR(phy) && (PTR_ERR(phy) == -ENODEV))
 		phy = NULL;
 
 	return phy;
@@ -584,7 +584,7 @@ struct phy *devm_phy_optional_get(struct device *dev, const char *string)
 {
 	struct phy *phy = devm_phy_get(dev, string);
 
-	if (PTR_ERR(phy) == -ENODEV)
+	if (IS_ERR(phy) && (PTR_ERR(phy) == -ENODEV))
 		phy = NULL;
 
 	return phy;

drivers/phy/phy-omap-usb2.c

@@ -275,6 +275,7 @@ static int omap_usb2_probe(struct platform_device *pdev)
 		phy->wkupclk = devm_clk_get(phy->dev, "usb_phy_cm_clk32k");
 		if (IS_ERR(phy->wkupclk)) {
 			dev_err(&pdev->dev, "unable to get usb_phy_cm_clk32k\n");
+			pm_runtime_disable(phy->dev);
 			return PTR_ERR(phy->wkupclk);
 		} else {
 			dev_warn(&pdev->dev,

drivers/phy/phy-rcar-gen2.c

@@ -23,7 +23,7 @@
 #define USBHS_LPSTS			0x02
 #define USBHS_UGCTRL			0x80
 #define USBHS_UGCTRL2			0x84
-#define USBHS_UGSTS			0x88	/* The manuals have 0x90 */
+#define USBHS_UGSTS			0x88	/* From technical update */
 
 /* Low Power Status register (LPSTS) */
 #define USBHS_LPSTS_SUSPM		0x4000
@@ -41,7 +41,7 @@
 #define USBHS_UGCTRL2_USB0SEL_HS_USB	0x00000030
 
 /* USB General status register (UGSTS) */
-#define USBHS_UGSTS_LOCK		0x00000300 /* The manuals have 0x3 */
+#define USBHS_UGSTS_LOCK		0x00000100 /* From technical update */
 
 #define PHYS_PER_CHANNEL	2