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usb: throw away custom hex digit methods

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Recent kernel has common method to convert hex digit to its value.

Signed-off-by: Andy Shevchenko <ext-andriy.shevchenko@nokia.com>
Cc: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Andy Shevchenko
2010-06-15 17:04:44 +03:00
committed by Greg Kroah-Hartman
parent a5cc8049ca
commit e644814a2c
2 changed files with 5 additions and 15 deletions
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15
drivers/usb/gadget/u_ether.c
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@@ -704,17 +704,6 @@ static char *host_addr;
module_param(host_addr, charp, S_IRUGO);
MODULE_PARM_DESC(host_addr, "Host Ethernet Address");
static u8 __init nibble(unsigned char c)
{
if (isdigit(c))
return c - '0';
c = toupper(c);
if (isxdigit(c))
return 10 + c - 'A';
return 0;
}
static int get_ether_addr(const char *str, u8 *dev_addr)
{
if (str) {
@@ -725,8 +714,8 @@ static int get_ether_addr(const char *str, u8 *dev_addr)
if ((*str == '.') || (*str == ':'))
str++;
num = nibble(*str++) << 4;
num |= (nibble(*str++));
num = hex_to_bin(*str++) << 4;
num |= hex_to_bin(*str++);
dev_addr [i] = num;
}
if (is_valid_ether_addr(dev_addr))