Re: [PATCH, post-2.6.36 regression fix] r8169: Fix runtime power management
From: Francois Romieu
Date: Thu Dec 09 2010 - 04:28:57 EST
Rafael J. Wysocki <rjw@xxxxxxx> :
[...]
> I noticed that one of the post-2.6.36 patches broke runtime PM of the
> r8169 on my MSI Wind test machine in such a way that the link was not
> brought up after reconnecting the network cable.
>
> In the process of debugging the issue I realized that we only should
> invoke the runtime PM functions in rtl8169_check_link_status() when
> link change is reported and if we do so, the problem goes away.
> Moreover, this allows rtl8169_runtime_idle() to be simplified quite
> a bit.
>
> Signed-off-by: Rafael J. Wysocki <rjw@xxxxxxx>
Acked-by: Francois Romieu <romieu@xxxxxxxxxxxxx>
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Ueimor
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