diff mbox

[v3,2/3] serial: 8250_mid: enable MSI on Denverton

Message ID 20170111143137.151407-3-andriy.shevchenko@linux.intel.com (mailing list archive)
State Not Applicable
Headers show

Commit Message

Andy Shevchenko Jan. 11, 2017, 2:31 p.m. UTC 
Enable MSI type of interrupt if PCI BIOS supports it.

Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
 drivers/tty/serial/8250/8250_mid.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)
diff mbox

Patch

diff --git a/drivers/tty/serial/8250/8250_mid.c b/drivers/tty/serial/8250/8250_mid.c
index 6730d9eef81e..85011c9ac0ee 100644
--- a/drivers/tty/serial/8250/8250_mid.c
+++ b/drivers/tty/serial/8250/8250_mid.c
@@ -164,8 +164,14 @@  static int dnv_setup(struct mid8250 *mid, struct uart_port *p)
 	unsigned int bar = FL_GET_BASE(mid->board->flags);
 	int ret;
 
+	ret = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_ALL_TYPES);
+	if (ret < 0)
+		return ret;
+
+	p->irq = pci_irq_vector(pdev, 0);
+
 	chip->dev = &pdev->dev;
-	chip->irq = pdev->irq;
+	chip->irq = pci_irq_vector(pdev, 0);
 	chip->regs = p->membase;
 	chip->length = pci_resource_len(pdev, bar);
 	chip->offset = DNV_DMA_CHAN_OFFSET;