From f52926174040418e26112cd0ba36afd8bb066928 Mon Sep 17 00:00:00 2001 From: Hauke Mehrtens Date: Sat, 27 Nov 2010 14:02:49 +0100 Subject: [PATCH 3/6] MIPS: BCM47xx: Use sscanf for parsing mac address Instead of writing out own function for parsing the mac address we now use sscanf. Signed-off-by: Hauke Mehrtens --- arch/mips/bcm47xx/setup.c | 23 +++-------------------- arch/mips/include/asm/mach-bcm47xx/nvram.h | 7 +++++++ 2 files changed, 10 insertions(+), 20 deletions(-) --- a/arch/mips/bcm47xx/setup.c +++ b/arch/mips/bcm47xx/setup.c @@ -56,23 +56,6 @@ static void bcm47xx_machine_halt(void) cpu_relax(); } -static void str2eaddr(char *str, char *dest) -{ - int i = 0; - - if (str == NULL) { - memset(dest, 0, 6); - return; - } - - for (;;) { - dest[i++] = (char) simple_strtoul(str, NULL, 16); - str += 2; - if (!*str++ || i == 6) - break; - } -} - #define READ_FROM_NVRAM(_outvar, name, buf) \ if (nvram_getenv(name, buf, sizeof(buf)) >= 0)\ sprom->_outvar = simple_strtoul(buf, NULL, 0); @@ -87,11 +70,11 @@ static void bcm47xx_fill_sprom(struct ss sprom->revision = 1; /* Fallback: Old hardware does not define this. */ READ_FROM_NVRAM(revision, "sromrev", buf); if (nvram_getenv("il0macaddr", buf, sizeof(buf)) >= 0) - str2eaddr(buf, sprom->il0mac); + nvram_parse_macaddr(buf, sprom->il0mac); if (nvram_getenv("et0macaddr", buf, sizeof(buf)) >= 0) - str2eaddr(buf, sprom->et0mac); + nvram_parse_macaddr(buf, sprom->et0mac); if (nvram_getenv("et1macaddr", buf, sizeof(buf)) >= 0) - str2eaddr(buf, sprom->et1mac); + nvram_parse_macaddr(buf, sprom->et1mac); READ_FROM_NVRAM(et0phyaddr, "et0phyaddr", buf); READ_FROM_NVRAM(et1phyaddr, "et1phyaddr", buf); READ_FROM_NVRAM(et0mdcport, "et0mdcport", buf); --- a/arch/mips/include/asm/mach-bcm47xx/nvram.h +++ b/arch/mips/include/asm/mach-bcm47xx/nvram.h @@ -12,6 +12,7 @@ #define __NVRAM_H #include +#include struct nvram_header { u32 magic; @@ -36,4 +37,10 @@ struct nvram_header { extern int nvram_getenv(char *name, char *val, size_t val_len); +static inline void nvram_parse_macaddr(char *buf, u8 *macaddr) +{ + sscanf(buf, "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx", &macaddr[0], &macaddr[1], + &macaddr[2], &macaddr[3], &macaddr[4], &macaddr[5]); +} + #endif