From 2363cb38937cac36dd468cdb70819b1c7fe9ba9e Mon Sep 17 00:00:00 2001 From: Hauke Mehrtens Date: Thu, 1 Aug 2013 19:04:12 +0000 Subject: [PATCH] brcm47xx: add function to get a gpio pin by name bcm47xx_nvram_gpio_pin() returns a gpio pin number for a given name based on configuration data in nvram. Signed-off-by: Hauke Mehrtens SVN-Revision: 37644 --- .../patches-3.10/180-bcm47xx-nvram-gpio.patch | 35 +++++++++++++++++++ .../patches-3.10/400-arch-bcm47xx.patch | 4 +-- .../patches-3.10/820-wgt634u-nvram-fix.patch | 2 +- 3 files changed, 38 insertions(+), 3 deletions(-) create mode 100644 target/linux/brcm47xx/patches-3.10/180-bcm47xx-nvram-gpio.patch diff --git a/target/linux/brcm47xx/patches-3.10/180-bcm47xx-nvram-gpio.patch b/target/linux/brcm47xx/patches-3.10/180-bcm47xx-nvram-gpio.patch new file mode 100644 index 0000000000..c4efeab313 --- /dev/null +++ b/target/linux/brcm47xx/patches-3.10/180-bcm47xx-nvram-gpio.patch @@ -0,0 +1,35 @@ +--- a/arch/mips/bcm47xx/nvram.c ++++ b/arch/mips/bcm47xx/nvram.c +@@ -190,3 +190,23 @@ int bcm47xx_nvram_getenv(char *name, cha + return -ENOENT; + } + EXPORT_SYMBOL(bcm47xx_nvram_getenv); ++ ++int bcm47xx_nvram_gpio_pin(const char *name) ++{ ++ int i, err; ++ char nvram_var[10]; ++ char buf[30]; ++ ++ for (i = 0; i < 16; i++) { ++ err = snprintf(nvram_var, sizeof(nvram_var), "gpio%i", i); ++ if (err <= 0) ++ continue; ++ err = bcm47xx_nvram_getenv(nvram_var, buf, sizeof(buf)); ++ if (err <= 0) ++ continue; ++ if (!strcmp(name, buf)) ++ return i; ++ } ++ return -ENOENT; ++} ++EXPORT_SYMBOL(bcm47xx_nvram_gpio_pin); +--- a/arch/mips/include/asm/mach-bcm47xx/bcm47xx_nvram.h ++++ b/arch/mips/include/asm/mach-bcm47xx/bcm47xx_nvram.h +@@ -48,4 +48,6 @@ static inline void bcm47xx_nvram_parse_m + printk(KERN_WARNING "Can not parse mac address: %s\n", buf); + } + ++int bcm47xx_nvram_gpio_pin(const char *name); ++ + #endif /* __BCM47XX_NVRAM_H */ diff --git a/target/linux/brcm47xx/patches-3.10/400-arch-bcm47xx.patch b/target/linux/brcm47xx/patches-3.10/400-arch-bcm47xx.patch index 9d7c9bb934..ed3e81600a 100644 --- a/target/linux/brcm47xx/patches-3.10/400-arch-bcm47xx.patch +++ b/target/linux/brcm47xx/patches-3.10/400-arch-bcm47xx.patch @@ -1,9 +1,9 @@ --- a/arch/mips/bcm47xx/nvram.c +++ b/arch/mips/bcm47xx/nvram.c -@@ -190,3 +190,30 @@ int bcm47xx_nvram_getenv(char *name, cha +@@ -210,3 +210,30 @@ int bcm47xx_nvram_gpio_pin(const char *n return -ENOENT; } - EXPORT_SYMBOL(bcm47xx_nvram_getenv); + EXPORT_SYMBOL(bcm47xx_nvram_gpio_pin); + +char *nvram_get(const char *name) +{ diff --git a/target/linux/brcm47xx/patches-3.10/820-wgt634u-nvram-fix.patch b/target/linux/brcm47xx/patches-3.10/820-wgt634u-nvram-fix.patch index cf21550239..96b6ed84c1 100644 --- a/target/linux/brcm47xx/patches-3.10/820-wgt634u-nvram-fix.patch +++ b/target/linux/brcm47xx/patches-3.10/820-wgt634u-nvram-fix.patch @@ -294,7 +294,7 @@ out the configuration than the in kernel cfe config reader. /* Look for name=value and return value */ var = &nvram_buf[sizeof(struct nvram_header)]; end = nvram_buf + sizeof(nvram_buf) - 2; -@@ -201,6 +230,9 @@ char *nvram_get(const char *name) +@@ -221,6 +250,9 @@ char *nvram_get(const char *name) if (!nvram_buf[0]) nvram_init(); -- 2.30.2