diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/include/asm/nvram.h | 3 | ||||
| -rw-r--r-- | arch/powerpc/kernel/setup_32.c | 8 |
2 files changed, 11 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/nvram.h b/arch/powerpc/include/asm/nvram.h index efde5ac82f7b..6c587eddee59 100644 --- a/arch/powerpc/include/asm/nvram.h +++ b/arch/powerpc/include/asm/nvram.h @@ -107,6 +107,9 @@ extern void pmac_xpram_write(int xpaddr, u8 data); /* Synchronize NVRAM */ extern void nvram_sync(void); +/* Determine NVRAM size */ +extern ssize_t nvram_get_size(void); + /* Normal access to NVRAM */ extern unsigned char nvram_read_byte(int i); extern void nvram_write_byte(unsigned char c, int i); diff --git a/arch/powerpc/kernel/setup_32.c b/arch/powerpc/kernel/setup_32.c index e1e3059cf34b..53bcf3d792db 100644 --- a/arch/powerpc/kernel/setup_32.c +++ b/arch/powerpc/kernel/setup_32.c @@ -210,6 +210,14 @@ void nvram_write_byte(unsigned char val, int addr) } EXPORT_SYMBOL(nvram_write_byte); +ssize_t nvram_get_size(void) +{ + if (ppc_md.nvram_size) + return ppc_md.nvram_size(); + return -1; +} +EXPORT_SYMBOL(nvram_get_size); + void nvram_sync(void) { if (ppc_md.nvram_sync) |