bcm4908: backport brcmstb USB PHY driver changes

This includes BCM4908 support

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

1 files changed, 49 insertions, 0 deletions

diff --git a/target/linux/bcm4908/patches-5.4/086-v5.12-0001-phy-phy-brcm-usb-improve-getting-OF-matching-data.patch b/target/linux/bcm4908/patches-5.4/086-v5.12-0001-phy-phy-brcm-usb-improve-getting-OF-matching-data.patch
new file mode 100644
index 0000000000..cc71373165
--- /dev/null
+++ b/target/linux/bcm4908/patches-5.4/086-v5.12-0001-phy-phy-brcm-usb-improve-getting-OF-matching-data.patch
@@ -0,0 +1,49 @@
+From d14f4cce9340a6586512a0eb6bc680dedeaaef14 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
+Date: Wed, 16 Dec 2020 15:33:04 +0100
+Subject: [PATCH] phy: phy-brcm-usb: improve getting OF matching data
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+1. Use of_device_get_match_data() helper to simplify the code
+2. Check for NULL as a good practice
+
+Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
+Acked-by: Florian Fainelli <f.fainelli@gmail.com>
+Link: https://lore.kernel.org/r/20201216143305.12179-1-zajec5@gmail.com
+Signed-off-by: Vinod Koul <vkoul@kernel.org>
+---
+ drivers/phy/broadcom/phy-brcm-usb.c | 7 ++++---
+ 1 file changed, 4 insertions(+), 3 deletions(-)
+
+--- a/drivers/phy/broadcom/phy-brcm-usb.c
++++ b/drivers/phy/broadcom/phy-brcm-usb.c
+@@ -11,6 +11,7 @@
+ #include <linux/io.h>
+ #include <linux/module.h>
+ #include <linux/of.h>
++#include <linux/of_device.h>
+ #include <linux/phy/phy.h>
+ #include <linux/platform_device.h>
+ #include <linux/interrupt.h>
+@@ -427,7 +428,6 @@ static int brcm_usb_phy_probe(struct pla
+ 	struct device_node *dn = pdev->dev.of_node;
+ 	int err;
+ 	const char *mode;
+-	const struct of_device_id *match;
+ 	void (*dvr_init)(struct brcm_usb_init_params *params);
+ 	const struct match_chip_info *info;
+ 	struct regmap *rmap;
+@@ -441,8 +441,9 @@ static int brcm_usb_phy_probe(struct pla
+ 	priv->ini.family_id = brcmstb_get_family_id();
+ 	priv->ini.product_id = brcmstb_get_product_id();
+ 
+-	match = of_match_node(brcm_usb_dt_ids, dev->of_node);
+-	info = match->data;
++	info = of_device_get_match_data(&pdev->dev);
++	if (!info)
++		return -ENOENT;
+ 	dvr_init = info->init_func;
+ 	(*dvr_init)(&priv->ini);
+