RE: [PATCH] spi: fix list scan success verification in PXA ssp driver

From: Eric Miao
Date: Thu Jun 05 2008 - 04:46:01 EST


Acked-by: Eric Miao <eric.miao@xxxxxxxxxxx>

And this should really go through the ARM tree, please submit the patch
to RMK's patch system. Thanks.

Cheers
- eric

> -----Original Message-----
> From: Guennadi Liakhovetski [mailto:g.liakhovetski@xxxxxxxxxxxxxx]
> Sent: Thursday, June 05, 2008 4:37 PM
> To: linux-kernel@xxxxxxxxxxxxxxx
> Cc: dbrownell@xxxxxxxxxxxxxxxxxxxxx; Eric Miao;
> spi-devel-general@xxxxxxxxxxxxxxxxxxxxx
> Subject: [PATCH] spi: fix list scan success verification in PXA ssp driver
>
> The list search success check in arch/arm/mach-pxa/ssp.c is wrong: for
> example, it didn't recognise failure for me when I requested port 0.
>
> Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@xxxxxxxxxxxxxx>
>
> ---
>
> arch/arm/mach-pxa/ssp.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> Index: linux-2.6/arch/arm/mach-pxa/ssp.c
> ===================================================================
> --- linux-2.6.orig/arch/arm/mach-pxa/ssp.c 2008-06-04 12:11:26.000000000
> +0200
> +++ linux-2.6/arch/arm/mach-pxa/ssp.c 2008-06-04 12:11:50.000000000 +0200
> @@ -330,7 +330,7 @@
>
> mutex_unlock(&ssp_lock);
>
> - if (ssp->port_id != port)
> + if (&ssp->node == &ssp_list)
> return NULL;
>
> return ssp;

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