On Thu, 22 Jun 2006 09:48:05 +0300 (EEST)
Pekka J Enberg <[email protected]> wrote:
> From: Pekka Enberg <[email protected]>
>
> This patch reverts commit 4196c3af25d98204216a5d6c37ad2cb303a1f2bf "cardbus:
> limit IO windows to 256 bytes" which breaks Alessio Sangalli's machine boot
> when APM support is enabled. See http://lkml.org/lkml/2006/6/16/33 for
> description of the problem.
>
> Cc: Alessio Sangalli <[email protected]>
> Cc: Linus Torvalds <[email protected]>
> Signed-off-by: Pekka Enberg <[email protected]>
> ---
>
> diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c
> index 28ce3a7..657be94 100644
> --- a/drivers/pci/setup-bus.c
> +++ b/drivers/pci/setup-bus.c
> @@ -40,7 +40,7 @@ #define ROUND_UP(x, a) (((x) + (a) - 1)
> * FIXME: IO should be max 256 bytes. However, since we may
> * have a P2P bridge below a cardbus bridge, we need 4K.
> */
> -#define CARDBUS_IO_SIZE (256)
> +#define CARDBUS_IO_SIZE (4*1024)
> #define CARDBUS_MEM_SIZE (32*1024*1024)
>
> static void __devinit
There is something bad happening in there. Presumably, this patch will
break the ThinkPad 600x series machines again though.
It'd be nice if this was related to
http://bugzilla.kernel.org/show_bug.cgi?id=6725, but I guess not.
Didn't all this stuff work in 2.4?
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