On Tue, Aug 06, 2019 at 12:43:20PM +0300, Andy Shevchenko wrote: > It is really useful not only for debugging to have an DMA IRQ line and > pool being mapped to the corresponding IP by using its instance ID. > > Provide PCI device and function as instance ID for Intel Quark UART DMA. > > Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> FWIW: Reviewed-by: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx> > --- > drivers/tty/serial/8250/8250_lpss.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/tty/serial/8250/8250_lpss.c b/drivers/tty/serial/8250/8250_lpss.c > index 0c6aa990db3d..2bb30e688433 100644 > --- a/drivers/tty/serial/8250/8250_lpss.c > +++ b/drivers/tty/serial/8250/8250_lpss.c > @@ -170,6 +170,7 @@ static void qrk_serial_setup_dma(struct lpss8250 *lpss, struct uart_port *port) > > chip->pdata = &qrk_serial_dma_pdata; > chip->dev = &pdev->dev; > + chip->id = pdev->devfn; > chip->irq = pci_irq_vector(pdev, 0); > chip->regs = pci_ioremap_bar(pdev, 1); > if (!chip->regs) > -- > 2.20.1 -- heikki