Re: [PATCH] PCI: change device runtime PM settings for probe and remove

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On Tue, 8 Jun 2010 15:23:51 -0400 (EDT)
Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> wrote:

> This patch (as1388) changes the way the PCI core handles runtime PM
> settings when probing or unbinding drivers.  Now the core will make
> sure the device is enabled for runtime PM, with a usage count >= 1,
> when a driver is probed.  It does the same when calling a driver's
> remove method.
> 
> If the driver wants to use runtime PM, all it has to do is call
> pm_runtime_pu_noidle() near the end of its probe routine (to cancel
> the core's usage increment) and pm_runtime_get_noresume() near the
> start of its remove routine (to restore the usage count).  It does not
> need to mess around with setting the runtime state to enabled,
> disabled, active, or suspended.
> 
> The patch updates e1000e and r8169, the only PCI drivers that already
> use the existing runtime PM interface.
> 
> Signed-off-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>
> CC: Rafael J. Wysocki <rjw@xxxxxxx>

Applied to linux-next, thanks.

-- 
Jesse Barnes, Intel Open Source Technology Center
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