On Tue, Feb 7, 2017 at 6:10 PM, Jan Kiszka <[email protected]> wrote: > Use pci_alloc_irq_vectors to enable MSI when available. At least the > XR17V352 supports this. >
FWIW: Reviewed-by: Andy Shevchenko <[email protected]> > Signed-off-by: Jan Kiszka <[email protected]> > --- > drivers/tty/serial/8250/8250_exar.c | 8 +++++++- > 1 file changed, 7 insertions(+), 1 deletion(-) > > diff --git a/drivers/tty/serial/8250/8250_exar.c > b/drivers/tty/serial/8250/8250_exar.c > index 13cc1da..236de60 100644 > --- a/drivers/tty/serial/8250/8250_exar.c > +++ b/drivers/tty/serial/8250/8250_exar.c > @@ -284,10 +284,16 @@ exar_pci_probe(struct pci_dev *pcidev, const struct > pci_device_id *ent) > > priv->board = board; > > + pci_set_master(pcidev); > + > + rc = pci_alloc_irq_vectors(pcidev, 1, 1, PCI_IRQ_ALL_TYPES); > + if (rc < 0) > + return rc; > + > memset(&uart, 0, sizeof(uart)); > uart.port.flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF | UPF_SHARE_IRQ > | UPF_EXAR_EFR; > - uart.port.irq = pcidev->irq; > + uart.port.irq = pci_irq_vector(pcidev, 0); > uart.port.dev = &pcidev->dev; > > for (i = 0; i < nr_ports && i < maxnr; i++) { > -- > 2.1.4 > -- With Best Regards, Andy Shevchenko
