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>
diff --git a/include/linux/bcm47xx_nvram.h b/include/linux/bcm47xx_nvram.h
index b12b07e..c73927c 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 @@
{
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 */