linux-kernel - Re: [PATCH 11/12] drivers: isdn: use new hex_to

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Message-ID: <4B7DD363.4050402@imap.cc>
Date:	Fri, 19 Feb 2010 00:55:15 +0100
From:	Tilman Schmidt <tilman@...p.cc>
To:	Andy Shevchenko <andy.shevchenko@...il.com>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Andy Shevchenko <ext-andriy.shevchenko@...ia.com>
Subject: Re: [PATCH 11/12] drivers: isdn: use new hex_to_bin() method

Am 18.02.2010 19:55 schrieb Andy Shevchenko:
> From: Andy Shevchenko <ext-andriy.shevchenko@...ia.com>
> 
> Get rid of own implementation of hex_to_bin(). It requires to have hex_to_bin()
> introduced by one of previous path in series.
> 
> Signed-off-by: Andy Shevchenko <ext-andriy.shevchenko@...ia.com>
> ---
>  drivers/isdn/gigaset/capi.c |   14 ++------------
>  1 files changed, 2 insertions(+), 12 deletions(-)
> 
> diff --git a/drivers/isdn/gigaset/capi.c b/drivers/isdn/gigaset/capi.c
> index 83c4e2f..72adcfb 100644
> --- a/drivers/isdn/gigaset/capi.c
> +++ b/drivers/isdn/gigaset/capi.c
> @@ -13,6 +13,7 @@
>  
>  #include "gigaset.h"
>  #include <linux/ctype.h>
> +#include <linux/kernel.h>
>  #include <linux/isdn/capilli.h>
>  #include <linux/isdn/capicmd.h>
>  #include <linux/isdn/capiutil.h>

You don't need to include kernel.h here, it's already included
from gigaset.h.

> @@ -169,17 +170,6 @@ static inline void ignore_cstruct_param(struct cardstate *cs, _cstruct param,
>  }
>  
>  /*
> - * 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
>   * return value: result length, -1 on error
> @@ -190,7 +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;

Otherwise, fine with me.

Thanks,
Tilman

-- 
Tilman Schmidt                    E-Mail: tilman@...p.cc
Bonn, Germany
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