summaryrefslogtreecommitdiff
path: root/drivers
diff options
context:
space:
mode:
authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2017-01-11 16:31:36 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-01-19 14:20:23 +0100
commit6d59225f2da7e8db31aa10b458eef7e8d8f53076 (patch)
treebf689edcd599529b7bbf8426652ec39585681d8b /drivers
parent4831e0d9054c62c0bd134315de34e7701804707a (diff)
serial: 8250_mid: enable MSI on Denverton
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> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/tty/serial/8250/8250_mid.c8
1 files changed, 7 insertions, 1 deletions
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;