Re: [PATCH 5/7] PCI/PM: Make power management op coding style consistent

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On Mon, Oct 14, 2019 at 06:00:14PM -0500, Bjorn Helgaas wrote:
> From: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
> 
> Some of the power management ops use this style:
> 
>   struct device_driver *drv = dev->driver;
>   if (drv && drv->pm && drv->pm->prepare(dev))
>     drv->pm->prepare(dev);
> 
> while others use this:
> 
>   const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;

I like this patch a lot, especially the direct returns.  But it
occurs to me that in the future this conditional would look better as

	const struct dev_pm_ops *pm = driver_to_pm(dev->driver);

or something.

regards,
dan carpenter




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