bcm4908: backport brcmstb USB PHY driver changes

This includes BCM4908 support

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>

1 files changed, 44 insertions, 0 deletions

diff --git a/target/linux/bcm4908/patches-5.4/084-v5.6-0009-phy-usb-fix-driver-to-defer-on-clk_get-defer.patch b/target/linux/bcm4908/patches-5.4/084-v5.6-0009-phy-usb-fix-driver-to-defer-on-clk_get-defer.patch
new file mode 100644
index 0000000000..a9e4b60ea6
--- /dev/null
+++ b/target/linux/bcm4908/patches-5.4/084-v5.6-0009-phy-usb-fix-driver-to-defer-on-clk_get-defer.patch
@@ -0,0 +1,44 @@
+From 89927fe0061aaa69b39e95ed793d2c61903b7895 Mon Sep 17 00:00:00 2001
+From: Al Cooper <alcooperx@gmail.com>
+Date: Fri, 3 Jan 2020 13:18:07 -0500
+Subject: [PATCH] phy: usb: fix driver to defer on clk_get defer
+
+Handle defer on clk_get because the new SCMI clock driver comes
+up after this driver.
+
+Signed-off-by: Al Cooper <alcooperx@gmail.com>
+Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
+Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
+---
+ drivers/phy/broadcom/phy-brcm-usb.c | 6 ++++++
+ 1 file changed, 6 insertions(+)
+
+--- a/drivers/phy/broadcom/phy-brcm-usb.c
++++ b/drivers/phy/broadcom/phy-brcm-usb.c
+@@ -341,6 +341,8 @@ static int brcm_usb_phy_dvr_init(struct
+ 
+ 	priv->usb_20_clk = of_clk_get_by_name(dn, "sw_usb");
+ 	if (IS_ERR(priv->usb_20_clk)) {
++		if (PTR_ERR(priv->usb_20_clk) == -EPROBE_DEFER)
++			return -EPROBE_DEFER;
+ 		dev_info(dev, "Clock not found in Device Tree\n");
+ 		priv->usb_20_clk = NULL;
+ 	}
+@@ -371,6 +373,8 @@ static int brcm_usb_phy_dvr_init(struct
+ 
+ 		priv->usb_30_clk = of_clk_get_by_name(dn, "sw_usb3");
+ 		if (IS_ERR(priv->usb_30_clk)) {
++			if (PTR_ERR(priv->usb_30_clk) == -EPROBE_DEFER)
++				return -EPROBE_DEFER;
+ 			dev_info(dev,
+ 				 "USB3.0 clock not found in Device Tree\n");
+ 			priv->usb_30_clk = NULL;
+@@ -382,6 +386,8 @@ static int brcm_usb_phy_dvr_init(struct
+ 
+ 	priv->suspend_clk = clk_get(dev, "usb0_freerun");
+ 	if (IS_ERR(priv->suspend_clk)) {
++		if (PTR_ERR(priv->suspend_clk) == -EPROBE_DEFER)
++			return -EPROBE_DEFER;
+ 		dev_err(dev, "Suspend Clock not found in Device Tree\n");
+ 		priv->suspend_clk = NULL;
+ 	}