Re: RFC Patch: Use x86 init_hwif in the alim15x3 for x86-like PowerPC systems

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Hi Roderick,

Since this patch is Xilinx virtex related, it is a good idea to cc:
both the linuxppc-dev mailing list and me when posting.  That way I'd
have the opportunity to reply with an 'acked-by' or 'reviewed-by'
line.

g.

On Thu, Apr 16, 2009 at 1:30 PM, Bartlomiej Zolnierkiewicz
<bzolnier@xxxxxxxxx> wrote:
>
> Hi,
>
> On Wednesday 15 April 2009 16:34:22 Roderick Colenbrander wrote:
>> Hi,
>>
>> I'm using a Xilinx ML510 it features a PowerPC 440 cpu inside a
>> Virtex-5 FPGA. The board also contains a ALI M1533 south bridge
>> for IDE, USB and Audio. I did a lot of work to get the pci bus working
>> on this board and it works correctly but the default init code
>> of the alim15x3 driver doesn't work for me. The driver explicitly
>> disabled some initialization code for powerpc after uncommenting this
>> code it works properly. Benjamin Herrenschmidt and I think this
>> !CONFIG_PPC check should be removed because the system behaves
>> like a real 'x86' system (also the i8259 interrupt controller is used).
>
> Ben, I guess you are OK with the change and there are no longer other
> platforms requiring CONFIG_PPC check below?  [I don't see your ACK here]
>
>> Regards,
>> Roderick Colenbrander
>>
>>
>> From 1c40c2f1485ecd3bc5ad7a3af537cb94de0877c3 Mon Sep 17 00:00:00 2001
>> From: Roderick Colenbrander <thunderbird2k@xxxxxxxxx>
>> Date: Wed, 15 Apr 2009 10:45:17 +0200
>> Subject: [PATCH] Use the 'x86' init_hwif code in the alim15x3 for
>> x86-like PowerPC boards like Xilinx ML310/410/510.
>
> Roderick, please add your "Signed-off-by:" line
> (per Documentation/SubmittingPatches).
>
> Thanks.
>
>> ---
>>  drivers/ide/alim15x3.c |    9 +++++----
>>  1 files changed, 5 insertions(+), 4 deletions(-)
>>
>> diff --git a/drivers/ide/alim15x3.c b/drivers/ide/alim15x3.c
>> index 537da1c..9176c0f 100644
>> --- a/drivers/ide/alim15x3.c
>> +++ b/drivers/ide/alim15x3.c
>> @@ -402,14 +402,15 @@ static u8 ali_cable_detect(ide_hwif_t *hwif)
>>      return cbl;
>>  }
>>
>> -#if !defined(CONFIG_SPARC64) && !defined(CONFIG_PPC)
>> +#if !defined(CONFIG_SPARC64)
>>  /**
>>   *    init_hwif_ali15x3    -    Initialize the ALI IDE x86 stuff
>>   *    @hwif: interface to configure
>>   *
>>   *    Obtain the IRQ tables for an ALi based IDE solution on the PC
>> - *    class platforms. This part of the code isn't applicable to the
>> - *    Sparc and PowerPC systems.
>> + *    class platforms. This part of the code isn't applicable to
>> + *    Sparc systems. It is usable on 'x86-like' PowerPC systems
>> + *      which use a Ali M15x3 south bridge like e.g. Xilinx ML310/410/510.
>>   */
>>
>>  static void __devinit init_hwif_ali15x3 (ide_hwif_t *hwif)
>> @@ -455,7 +456,7 @@ static void __devinit init_hwif_ali15x3 (ide_hwif_t *hwif)
>>  }
>>  #else
>>  #define init_hwif_ali15x3 NULL
>> -#endif /* !defined(CONFIG_SPARC64) && !defined(CONFIG_PPC) */
>> +#endif /* !defined(CONFIG_SPARC64) */
>>
>>  /**
>>   *    init_dma_ali15x3    -    set up DMA on ALi15x3
>> --
>> 1.5.6.3
> _______________________________________________
> Linuxppc-dev mailing list
> Linuxppc-dev@xxxxxxxxxx
> https://ozlabs.org/mailman/listinfo/linuxppc-dev
>



-- 
Grant Likely, B.Sc., P.Eng.
Secret Lab Technologies Ltd.
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