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ARM: orion5x: use mac_pton() helper

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Instead of custom approach let's use generic helper function.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Detlef Vollmann <dv@vollmann.ch>
Cc: Gregory CLEMENT <gregory.clement@free-electrons.com>
Tested-by: Tested-by: Detlef Vollmann <dv@vollmann.ch> #on DNS-323
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
This commit is contained in:
Andy Shevchenko 2015-10-02 17:12:33 +03:00 committed by Gregory CLEMENT
parent d492cccac2
commit 4904dbda41
3 changed files with 10 additions and 95 deletions
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3
arch/arm/mach-orion5x/Kconfig
View File

@ -45,6 +45,7 @@ config MACH_KUROBOX_PRO
config MACH_DNS323
bool "D-Link DNS-323"
select GENERIC_NET_UTILS
select I2C_BOARDINFO
help
Say 'Y' here if you want your kernel to support the
@ -52,6 +53,7 @@ config MACH_DNS323
config MACH_TS209
bool "QNAP TS-109/TS-209"
select GENERIC_NET_UTILS
help
Say 'Y' here if you want your kernel to support the
QNAP TS-109/TS-209 platform.
@ -93,6 +95,7 @@ config MACH_LINKSTATION_LS_HGL
config MACH_TS409
bool "QNAP TS-409"
select GENERIC_NET_UTILS
help
Say 'Y' here if you want your kernel to support the
QNAP TS-409 platform.

53
arch/arm/mach-orion5x/dns323-setup.c
View File

@ -173,42 +173,10 @@ static struct mv643xx_eth_platform_data dns323_eth_data = {
.phy_addr = MV643XX_ETH_PHY_ADDR(8),
};
/* dns323_parse_hex_*() taken from tsx09-common.c; should a common copy of these
* functions be kept somewhere?
*/
static int __init dns323_parse_hex_nibble(char n)
{
if (n >= '0' && n <= '9')
return n - '0';
if (n >= 'A' && n <= 'F')
return n - 'A' + 10;
if (n >= 'a' && n <= 'f')
return n - 'a' + 10;
return -1;
}
static int __init dns323_parse_hex_byte(const char *b)
{
int hi;
int lo;
hi = dns323_parse_hex_nibble(b[0]);
lo = dns323_parse_hex_nibble(b[1]);
if (hi < 0 || lo < 0)
return -1;
return (hi << 4) | lo;
}
static int __init dns323_read_mac_addr(void)
{
u_int8_t addr[6];
int i;
char *mac_page;
void __iomem *mac_page;
/* MAC address is stored as a regular ol' string in /dev/mtdblock4
* (0x007d0000-0x00800000) starting at offset 196480 (0x2ff80).
@ -217,23 +185,8 @@ static int __init dns323_read_mac_addr(void)
if (!mac_page)
return -ENOMEM;
/* Sanity check the string we're looking at */
for (i = 0; i < 5; i++) {
if (*(mac_page + (i * 3) + 2) != ':') {
goto error_fail;
}
}
for (i = 0; i < 6; i++) {
int byte;
byte = dns323_parse_hex_byte(mac_page + (i * 3));
if (byte < 0) {
goto error_fail;
}
addr[i] = byte;
}
if (!mac_pton((__force const char *) mac_page, addr))
goto error_fail;
iounmap(mac_page);
printk("DNS-323: Found ethernet MAC address: %pM\n", addr);

49
arch/arm/mach-orion5x/tsx09-common.c
View File

@ -53,53 +53,12 @@ struct mv643xx_eth_platform_data qnap_tsx09_eth_data = {
.phy_addr = MV643XX_ETH_PHY_ADDR(8),
};
static int __init qnap_tsx09_parse_hex_nibble(char n)
{
if (n >= '0' && n <= '9')
return n - '0';
if (n >= 'A' && n <= 'F')
return n - 'A' + 10;
if (n >= 'a' && n <= 'f')
return n - 'a' + 10;
return -1;
}
static int __init qnap_tsx09_parse_hex_byte(const char *b)
{
int hi;
int lo;
hi = qnap_tsx09_parse_hex_nibble(b[0]);
lo = qnap_tsx09_parse_hex_nibble(b[1]);
if (hi < 0 || lo < 0)
return -1;
return (hi << 4) | lo;
}
static int __init qnap_tsx09_check_mac_addr(const char *addr_str)
{
u_int8_t addr[6];
int i;
for (i = 0; i < 6; i++) {
int byte;
/*
* Enforce "xx:xx:xx:xx:xx:xx\n" format.
*/
if (addr_str[(i * 3) + 2] != ((i < 5) ? ':' : '\n'))
return -1;
byte = qnap_tsx09_parse_hex_byte(addr_str + (i * 3));
if (byte < 0)
return -1;
addr[i] = byte;
}
if (!mac_pton(addr_str, addr))
return -1;
printk(KERN_INFO "tsx09: found ethernet mac address %pM\n", addr);
@ -118,12 +77,12 @@ void __init qnap_tsx09_find_mac_addr(u32 mem_base, u32 size)
unsigned long addr;
for (addr = mem_base; addr < (mem_base + size); addr += 1024) {
char *nor_page;
void __iomem *nor_page;
int ret = 0;
nor_page = ioremap(addr, 1024);
if (nor_page != NULL) {
ret = qnap_tsx09_check_mac_addr(nor_page);
ret = qnap_tsx09_check_mac_addr((__force const char *)nor_page);
iounmap(nor_page);
}