On Mon, Jan 16, 2017 at 04:06:25AM +0100, Daniel Golle wrote: > From: Claudio Mignanti <c.mignanti@xxxxxxxxx> > > This is needed for devices without support for PCI MWI. See also > https://dev.openwrt.org/changeset/21850 > > Signed-off-by: Daniel Golle <daniel@xxxxxxxxxxxxxx> > --- > drivers/net/wireless/ralink/rt2x00/rt2x00pci.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00pci.c b/drivers/net/wireless/ralink/rt2x00/rt2x00pci.c > index eb6dbcd4fddf..4becfeb75ba8 100644 > --- a/drivers/net/wireless/ralink/rt2x00/rt2x00pci.c > +++ b/drivers/net/wireless/ralink/rt2x00/rt2x00pci.c > @@ -94,8 +94,10 @@ int rt2x00pci_probe(struct pci_dev *pci_dev, const struct rt2x00_ops *ops) > > pci_set_master(pci_dev); > > +#ifdef CONFIG_PCI_SET_MWI > if (pci_set_mwi(pci_dev)) > rt2x00_probe_err("MWI not available\n"); > +#endif There is no CONFIG_PCI_SET_MWI in the kernel. This patch is either not needed (pci subsystem has own PCI_DISABLE_MWI define) or wrong (we should not call this function for some devices). Stanislaw
