[RFC PATCH 09/15] ata: ti_sata: Add Texas Instruments SATA Wrapper driver
Bartlomiej Zolnierkiewicz
b.zolnierkie at samsung.com
Wed Sep 25 08:49:56 EDT 2013
On Wednesday, September 25, 2013 02:37:19 PM Bartlomiej Zolnierkiewicz wrote:
[...]
> > +#ifdef CONFIG_PM
> > +
> > +static int ti_sata_resume(struct device *dev)
> > +{
> > + pm_runtime_disable(dev);
> > + pm_runtime_set_active(dev);
> > + pm_runtime_enable(dev);
>
> This doesn't look like a correct ->resume method:
> * it shouldn't touch runtime PM at all
> * for each ->resume method there should be a corresponding ->suspend method
>
> Moreover this whole wrapper driver seems strange, why not just add a proper
> runtime PM support to ahci_platform driver instead?
Hmm, even this shouldn't be needed as this wrapper driver doesn't have
->runtime_suspend and ->runtime resume methods.
What exactly is the purpose of the existence of this wrapper driver?
Best regards,
--
Bartlomiej Zolnierkiewicz
Samsung R&D Institute Poland
Samsung Electronics
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