On Mon, 6 Jan 2014, Lee Jones wrote: > On Fri, 03 Jan 2014, Julia Lawall wrote: > > > From: Julia Lawall <Julia.Lawall@xxxxxxx> > > > > The semantic patch that makes this change is as follows: > > (http://coccinelle.lip6.fr/) > > > > // <smpl> > > @@ > > expression pdev; > > @@ > > > > pci_set_power_state(pdev, > > - 0 > > + PCI_D0 > > ) > > // </smpl> > > I'm happy with the code and that you used Coccinelle to discover the > issue, but I feel a little more explanation would be helpful to > readers. > > Why is (pci_power_t __force) 0 better than 0? I wasn't particularly attached to the cast, and I don't know if it is an issue. But in trying to understand the code, I found PCI_D0 more understandable than 0. julia > > Signed-off-by: Julia Lawall <Julia.Lawall@xxxxxxx> > > > > --- > > drivers/mfd/sta2x11-mfd.c | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > diff --git a/drivers/mfd/sta2x11-mfd.c b/drivers/mfd/sta2x11-mfd.c > > index 0d42e40..5b72db0 100644 > > --- a/drivers/mfd/sta2x11-mfd.c > > +++ b/drivers/mfd/sta2x11-mfd.c > > @@ -529,7 +529,7 @@ static int sta2x11_mfd_resume(struct pci_dev *pdev) > > { > > int err; > > > > - pci_set_power_state(pdev, 0); > > + pci_set_power_state(pdev, PCI_D0); > > err = pci_enable_device(pdev); > > if (err) > > return err; > > > > -- > Lee Jones > Linaro STMicroelectronics Landing Team Lead > Linaro.org │ Open source software for ARM SoCs > Follow Linaro: Facebook | Twitter | Blog > -- > To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html >
