linux-kernel - Re: [PATCH 1/1] netdev: DM9000: Added typecasting to supress some warnings on Blackfin

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Date:	Mon, 13 Oct 2008 17:51:07 +0800
From:	"Bryan Wu" <cooloney@...nel.org>
To:	"Ben Dooks" <ben-linux@...ff.org>
Cc:	ben@...tec.co.uk, s.hauer@...gutronix.de, jeff@...zik.org,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	"Javier Herrero" <jherrero@...istemas.es>
Subject: Re: [PATCH 1/1] netdev: DM9000: Added typecasting to supress some warnings on Blackfin

On Mon, Oct 13, 2008 at 5:17 PM, Ben Dooks <ben-linux@...ff.org> wrote:
> On Mon, Oct 13, 2008 at 05:10:09PM +0800, Bryan Wu wrote:
>> From: Javier Herrero <jherrero@...istemas.es>
>
> No, your arch definitions of writesb and co are wrong if they
> are not taking 'void __iomem *' arguments.
>

Right, we should check the I/O functions and make them support "void
__iomem *" arguments.

Thanks
-Bryan

>> Signed-off-by: Javier Herrero <jherrero@...istemas.es>
>> Signed-off-by: Bryan Wu <cooloney@...nel.org>
>> ---
>>  drivers/net/dm9000.c |   12 ++++++------
>>  1 files changed, 6 insertions(+), 6 deletions(-)
>>
>> diff --git a/drivers/net/dm9000.c b/drivers/net/dm9000.c
>> index f42c23f..c4737ca 100644
>> --- a/drivers/net/dm9000.c
>> +++ b/drivers/net/dm9000.c
>> @@ -188,35 +188,35 @@ iow(board_info_t * db, int reg, int value)
>>
>>  static void dm9000_outblk_8bit(void __iomem *reg, void *data, int count)
>>  {
>> -     writesb(reg, data, count);
>> +     writesb((int)reg, data, count);
>>  }
>>
>>  static void dm9000_outblk_16bit(void __iomem *reg, void *data, int count)
>>  {
>> -     writesw(reg, data, (count+1) >> 1);
>> +     writesw((int)reg, data, (count+1) >> 1);
>>  }
>>
>>  static void dm9000_outblk_32bit(void __iomem *reg, void *data, int count)
>>  {
>> -     writesl(reg, data, (count+3) >> 2);
>> +     writesl((int)reg, data, (count+3) >> 2);
>>  }
>>
>>  /* input block from chip to memory */
>>
>>  static void dm9000_inblk_8bit(void __iomem *reg, void *data, int count)
>>  {
>> -     readsb(reg, data, count);
>> +     readsb((int)reg, data, count);
>>  }
>>
>>
>>  static void dm9000_inblk_16bit(void __iomem *reg, void *data, int count)
>>  {
>> -     readsw(reg, data, (count+1) >> 1);
>> +     readsw((int)reg, data, (count+1) >> 1);
>>  }
>>
>>  static void dm9000_inblk_32bit(void __iomem *reg, void *data, int count)
>>  {
>> -     readsl(reg, data, (count+3) >> 2);
>> +     readsl((int)reg, data, (count+3) >> 2);
>>  }
>>
>>  /* dump block from chip to null */
>> --
>> 1.5.6
>
> --
> --
> Ben
>
> Q:      What's a light-year?
> A:      One-third less calories than a regular year.
>
>
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