kernel: rework bcm47xx backport, fix build errors on the brcm47xx target (#21974)

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/branches/chaos_calmer@48925 3c298f89-4303-0410-b956-a3cf2f4a3e73

2 files changed, 49 insertions, 52 deletions

diff --git a/target/linux/generic/files/include/linux/bcm47xx_nvram.h b/target/linux/generic/files/include/linux/bcm47xx_nvram.h
new file mode 100644
index 0000000000..778abd425a
--- /dev/null
+++ b/target/linux/generic/files/include/linux/bcm47xx_nvram.h
@@ -0,0 +1,49 @@
+/*
+ *  This program is free software; you can redistribute  it and/or modify it
+ *  under  the terms of  the GNU General  Public License as published by the
+ *  Free Software Foundation;  either version 2 of the  License, or (at your
+ *  option) any later version.
+ */
+
+#ifndef __BCM47XX_NVRAM_H
+#define __BCM47XX_NVRAM_H
+
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/vmalloc.h>
+
+#if defined(CONFIG_BCM47XX_NVRAM) || defined(CONFIG_BCM47XX)
+int bcm47xx_nvram_init_from_mem(u32 base, u32 lim);
+int bcm47xx_nvram_getenv(const char *name, char *val, size_t val_len);
+int bcm47xx_nvram_gpio_pin(const char *name);
+char *bcm47xx_nvram_get_contents(size_t *val_len);
+static inline void bcm47xx_nvram_release_contents(char *nvram)
+{
+	vfree(nvram);
+};
+#else
+static inline int bcm47xx_nvram_init_from_mem(u32 base, u32 lim)
+{
+	return -ENOTSUPP;
+};
+static inline int bcm47xx_nvram_getenv(const char *name, char *val,
+				       size_t val_len)
+{
+	return -ENOTSUPP;
+};
+static inline int bcm47xx_nvram_gpio_pin(const char *name)
+{
+	return -ENOTSUPP;
+};
+
+static inline char *bcm47xx_nvram_get_contents(size_t *val_len)
+{
+	return NULL;
+};
+
+static inline void bcm47xx_nvram_release_contents(char *nvram)
+{
+};
+#endif
+
+#endif /* __BCM47XX_NVRAM_H */
diff --git a/target/linux/generic/patches-3.18/030-backport_bcm47xx_nvram.patch b/target/linux/generic/patches-3.18/030-backport_bcm47xx_nvram.patch
deleted file mode 100644
index 7ae8b1db6c..0000000000
--- a/target/linux/generic/patches-3.18/030-backport_bcm47xx_nvram.patch
+++ /dev/null
@@ -1,52 +0,0 @@
---- /dev/null
-+++ b/include/linux/bcm47xx_nvram.h
-@@ -0,0 +1,49 @@
-+/*
-+ *  This program is free software; you can redistribute  it and/or modify it
-+ *  under  the terms of  the GNU General  Public License as published by the
-+ *  Free Software Foundation;  either version 2 of the  License, or (at your
-+ *  option) any later version.
-+ */
-+
-+#ifndef __BCM47XX_NVRAM_H
-+#define __BCM47XX_NVRAM_H
-+
-+#include <linux/types.h>
-+#include <linux/kernel.h>
-+#include <linux/vmalloc.h>
-+
-+#ifdef CONFIG_BCM47XX_NVRAM
-+int bcm47xx_nvram_init_from_mem(u32 base, u32 lim);
-+int bcm47xx_nvram_getenv(const char *name, char *val, size_t val_len);
-+int bcm47xx_nvram_gpio_pin(const char *name);
-+char *bcm47xx_nvram_get_contents(size_t *val_len);
-+static inline void bcm47xx_nvram_release_contents(char *nvram)
-+{
-+	vfree(nvram);
-+};
-+#else
-+static inline int bcm47xx_nvram_init_from_mem(u32 base, u32 lim)
-+{
-+	return -ENOTSUPP;
-+};
-+static inline int bcm47xx_nvram_getenv(const char *name, char *val,
-+				       size_t val_len)
-+{
-+	return -ENOTSUPP;
-+};
-+static inline int bcm47xx_nvram_gpio_pin(const char *name)
-+{
-+	return -ENOTSUPP;
-+};
-+
-+static inline char *bcm47xx_nvram_get_contents(size_t *val_len)
-+{
-+	return NULL;
-+};
-+
-+static inline void bcm47xx_nvram_release_contents(char *nvram)
-+{
-+};
-+#endif
-+
-+#endif /* __BCM47XX_NVRAM_H */