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authorHante Meuleman <meuleman@broadcom.com>2015-05-21 16:27:23 +0300
committerRalf Baechle <ralf@linux-mips.org>2015-06-21 22:54:00 +0300
commit55cab93bcf1422ab4298edc65c349c4304b4884e (patch)
tree451a5676b40487bfe56ee6a6ade53c4092e01dd5 /include/linux/bcm47xx_nvram.h
parent30ad29bb48881ee11f5daf30c6fc50292ae08c57 (diff)
downloadlinux-55cab93bcf1422ab4298edc65c349c4304b4884e.tar.xz
mips: bcm47xx: allow retrieval of complete nvram contents
Host platforms such as routers supported by OpenWrt can support NVRAM reading directly from internal NVRAM store. The brcmfmac for one requires the complete nvram contents to select what needs to be sent to wireless device. Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: Hante Meuleman <meuleman@broadcom.com> Reviewed-by: Arend Van Spriel <arend@broadcom.com> Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com> Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Reviewed-by: Daniel (Deognyoun) Kim <dekim@broadcom.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/10093/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'include/linux/bcm47xx_nvram.h')
-rw-r--r--include/linux/bcm47xx_nvram.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/include/linux/bcm47xx_nvram.h b/include/linux/bcm47xx_nvram.h
index b12b07e75929..c73927c66c2c 100644
--- a/include/linux/bcm47xx_nvram.h
+++ b/include/linux/bcm47xx_nvram.h
@@ -10,11 +10,17 @@
#include <linux/types.h>
#include <linux/kernel.h>
+#include <linux/vmalloc.h>
#ifdef 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)
{
@@ -29,6 +35,15 @@ 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 */