Re: [Pcihpd-discuss] [PATCH 26/34] PCI: add pci_try_set_mwi

From: Greg KH
Date: Wed Jul 11 2007 - 20:38:34 EST


On Wed, Jul 11, 2007 at 06:01:49PM -0600, Matthew Wilcox wrote:
> On Wed, Jul 11, 2007 at 04:31:40PM -0700, Greg Kroah-Hartman wrote:
> > As suggested by Andrew, add pci_try_set_mwi(), which does not require
> > return-value checking.
>
> Seems like a daft suggestion. What's wrong with just removing the
> __must_check from pci_set_mwi()? Did it find any bugs?
>
> > --- a/drivers/scsi/lpfc/lpfc_init.c
> > +++ b/drivers/scsi/lpfc/lpfc_init.c
> > @@ -1578,10 +1578,7 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
> > INIT_LIST_HEAD(&phba->fc_nodes);
> >
> > pci_set_master(pdev);
> > - retval = pci_set_mwi(pdev);
> > - if (retval)
> > - dev_printk(KERN_WARNING, &pdev->dev,
> > - "Warning: pci_set_mwi returned %d\n", retval);
> > + pci_try_set_mwi(pdev);
>
> Why remove the warning? Presumably people want to know if pci_set_mwi
> failed.

Randy, this was your change, right?

thanks,

greg k-h
-
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