Re: [PATCH] NET/r8169: Rework suspend and resume

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On Sunday 05 April 2009, Bruno Prémont wrote:
> On Sun, 05 April 2009 "Rafael J. Wysocki" <rjw@xxxxxxx> wrote:
> > From: Rafael J. Wysocki <rjw@xxxxxxx>
> > 
> > The recent changes of the PCI PM core allow us to simplify the
> > suspend and resume handling in a number of device drivers, since they
> > don't need to carry out the general PCI PM operations, such as
> > changing the power state of the device, during suspend and resume any
> > more.
> > 
> > Simplify the suspend and resume callbacks of r8169 using the
> > observation that the PCI PM core can take care of some operations
> > carried out by the driver.
> > 
> > Additionally, make the shutdown callback of r8169 only put the device
> > into a low power state if the system is going to be powered off
> > (kexec is known to have problems with network adapters that are put
> > into low power states on shutdown).
> > 
> > This patch has been tested on MSI Wind U100.
> 
> Tested against 2.6.29.1 on my Commell LE-365 and suspend (S3) + WoL
> still works as expected.
> 
> 02:08.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd.
>                      RTL-8169 Gigabit Ethernet [10ec:8169] (rev 10)

Thanks for testing!

Best,
Rafael
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