From 6d59225f2da7e8db31aa10b458eef7e8d8f53076 Mon Sep 17 00:00:00 2001 From: Andy Shevchenko Date: Wed, 11 Jan 2017 16:31:36 +0200 Subject: [PATCH] serial: 8250_mid: enable MSI on Denverton Enable MSI type of interrupt if PCI BIOS supports it. Reviewed-by: Heikki Krogerus Signed-off-by: Andy Shevchenko Signed-off-by: Greg Kroah-Hartman --- drivers/tty/serial/8250/8250_mid.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) 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; -- 2.20.1