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