Commit 0496b55c authored by Andy Shevchenko's avatar Andy Shevchenko Committed by Linus Torvalds

drivers: isdn: use new hex_to_bin() method

Remove own implementation of hex_to_bin().
Signed-off-by: default avatarAndy Shevchenko <ext-andriy.shevchenko@nokia.com>
Acked-by: default avatarTilman Schmidt <tilman@imap.cc>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 90378889
......@@ -169,17 +169,6 @@ static inline void ignore_cstruct_param(struct cardstate *cs, _cstruct param,
msgname, paramname);
}
/*
* convert hex to binary
*/
static inline u8 hex2bin(char c)
{
int result = c & 0x0f;
if (c & 0x40)
result += 9;
return result;
}
/*
* convert an IE from Gigaset hex string to ETSI binary representation
* including length byte
......@@ -191,7 +180,7 @@ static int encode_ie(char *in, u8 *out, int maxlen)
while (*in) {
if (!isxdigit(in[0]) || !isxdigit(in[1]) || l >= maxlen)
return -1;
out[++l] = (hex2bin(in[0]) << 4) + hex2bin(in[1]);
out[++l] = (hex_to_bin(in[0]) << 4) + hex_to_bin(in[1]);
in += 2;
}
out[0] = l;
......
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