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

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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
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