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SubjectRe: [patch] [resend] Fix swsusp with PNP BIOS
Date
Hi,

On Monday 24 July 2006 20:28, Ondrej Zary wrote:
> Hello,
> swsusp is unable to suspend my machine (DTK FortisPro TOP-5A notebook) with
> kernel 2.6.17.5 because it's unable to suspend PNP device 00:16 (mouse).
>
> The problem is in PNP BIOS. pnp_bus_suspend() calls pnp_stop_dev() for the
> device if the device can be disabled according to pnp_can_disable(). The
> problem is that pnpbios_disable_resources() returns -EPERM if the device is
> not dynamic (!pnpbios_is_dynamic()) but insert_device() happily sets
> PNP_DISABLE capability/flag even if the device is not dynamic. So we try to
> disable non-dynamic devices which will fail.
> This patch prevents insert_device() from setting PNP_DISABLE if the device is
> not dynamic and fixes suspend on my system.

Thanks for the patch.

Pavel, what do you think?


> Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
>
> --- linux-2.6.17.5-orig/drivers/pnp/pnpbios/core.c 2006-07-15 04:38:43.000000000 +0200
> +++ linux-2.6.17.5/drivers/pnp/pnpbios/core.c 2006-07-22 18:44:36.000000000 +0200
> @@ -346,7 +346,7 @@
> dev->flags = node->flags;
> if (!(dev->flags & PNPBIOS_NO_CONFIG))
> dev->capabilities |= PNP_CONFIGURABLE;
> - if (!(dev->flags & PNPBIOS_NO_DISABLE))
> + if (!(dev->flags & PNPBIOS_NO_DISABLE) && pnpbios_is_dynamic(dev))
> dev->capabilities |= PNP_DISABLE;
> dev->capabilities |= PNP_READ;
> if (pnpbios_is_dynamic(dev))
>
-
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