Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 172c33cb authored by Jan Kiszka's avatar Jan Kiszka Committed by Greg Kroah-Hartman
Browse files

serial: exar: Enable MSI support 



Use pci_alloc_irq_vectors to enable MSI when available. At least the
XR17V352 supports this.

Signed-off-by: default avatarJan Kiszka <jan.kiszka@siemens.com>
Reviewed-by: default avatarAndy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 7e12357e

drivers/tty/serial/8250/8250_exar.c

+7 −1
Original line number Original line Diff line number Diff line
@@ -283,10 +283,16 @@ exar_pci_probe(struct pci_dev *pcidev, const struct pci_device_id *ent) 




	priv->board = board;

	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));

	memset(&uart, 0, sizeof(uart));

	uart.port.flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF | UPF_SHARE_IRQ

	uart.port.flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF | UPF_SHARE_IRQ

			  | UPF_EXAR_EFR;

			  | UPF_EXAR_EFR;

	uart.port.irq = pcidev->irq;

	uart.port.irq = pci_irq_vector(pcidev, 0);

	uart.port.dev = &pcidev->dev;

	uart.port.dev = &pcidev->dev;





	for (i = 0; i < nr_ports && i < maxnr; i++) {

	for (i = 0; i < nr_ports && i < maxnr; i++) {