bcm63xx: drop kernel 5.10 support

[openwrt/staging/noltari.git] / target / linux / bcm63xx / patches-5.10 / 144-add-removed-syscon_regmap_lookup_by_pdevname.patch

diff --git a/target/linux/bcm63xx/patches-5.10/144-add-removed-syscon_regmap_lookup_by_pdevname.patch b/target/linux/bcm63xx/patches-5.10/144-add-removed-syscon_regmap_lookup_by_pdevname.patch
deleted file mode 100644 (file)
index 683b1bb..0000000
--- a/target/linux/bcm63xx/patches-5.10/144-add-removed-syscon_regmap_lookup_by_pdevname.patch
+++ /dev/null
@@ -1,68 +0,0 @@
-From: Adrian Schmutzler <freifunk@adrianschmutzler.de>
-Date: Fri, 03 Apr 2020 19:50:03 +0200
-Subject: add removed helper syscon_regmap_lookup_by_pdevname
-
-The helper syscon_regmap_lookup_by_pdevname has been removed in 29d14b668d2f
-("mfd: Remove unused helper syscon_regmap_lookup_by_pdevname") due to lack
-of users.
-
-Thus, we have to maintain it locally.
-
-This patch includes a fix due to changes in driver_find_device;
-kernel commit: 92ce7e83b4e5 ("driver_find_device: Unify the match function
-with class_find_device()")
-
-Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
-
---- a/drivers/mfd/syscon.c
-+++ b/drivers/mfd/syscon.c
-@@ -205,6 +205,27 @@ struct regmap *syscon_regmap_lookup_by_c
- }
- EXPORT_SYMBOL_GPL(syscon_regmap_lookup_by_compatible);
- 
-+static int syscon_match_pdevname(struct device *dev, const void *data)
-+{
-+      return !strcmp(dev_name(dev), (const char *)data);
-+}
-+
-+struct regmap *syscon_regmap_lookup_by_pdevname(const char *s)
-+{
-+      struct device *dev;
-+      struct syscon *syscon;
-+
-+      dev = driver_find_device(&syscon_driver.driver, NULL, (void *)s,
-+                               syscon_match_pdevname);
-+      if (!dev)
-+              return ERR_PTR(-EPROBE_DEFER);
-+
-+      syscon = dev_get_drvdata(dev);
-+
-+      return syscon->regmap;
-+}
-+EXPORT_SYMBOL_GPL(syscon_regmap_lookup_by_pdevname);
-+
- struct regmap *syscon_regmap_lookup_by_phandle(struct device_node *np,
-                                       const char *property)
- {
---- a/include/linux/mfd/syscon.h
-+++ b/include/linux/mfd/syscon.h
-@@ -20,6 +20,7 @@ struct device_node;
- extern struct regmap *device_node_to_regmap(struct device_node *np);
- extern struct regmap *syscon_node_to_regmap(struct device_node *np);
- extern struct regmap *syscon_regmap_lookup_by_compatible(const char *s);
-+extern struct regmap *syscon_regmap_lookup_by_pdevname(const char *s);
- extern struct regmap *syscon_regmap_lookup_by_phandle(
-                                       struct device_node *np,
-                                       const char *property);
-@@ -43,6 +44,11 @@ static inline struct regmap *syscon_regm
- {
-       return ERR_PTR(-ENOTSUPP);
- }
-+
-+static inline struct regmap *syscon_regmap_lookup_by_pdevname(const char *s)
-+{
-+      return ERR_PTR(-ENOTSUPP);
-+}
- 
- static inline struct regmap *syscon_regmap_lookup_by_phandle(
-                                       struct device_node *np,