From 2ecec2f7fd8a421405006382adeb2aba8587baae Mon Sep 17 00:00:00 2001 From: Tomoya MORINAGA Date: Mon, 2 Apr 2012 14:36:22 +0900 Subject: [PATCH] pch_uart: Fix MSI setting issue commit 867c902e07d5677e2a5b54c0435e589513abde48 upstream. The following patch (MSI setting) is not enough. commit e463595fd9c752fa4bf06b47df93ef9ade3c7cf0 Author: Alexander Stein Date: Mon Jul 4 08:58:31 2011 +0200 pch_uart: Add MSI support Signed-off-by: Alexander Stein Signed-off-by: Greg Kroah-Hartman To enable MSI mode, PCI bus-mastering must be enabled. This patch enables the setting. cc: Alexander Stein Signed-off-by: Tomoya MORINAGA Signed-off-by: Greg Kroah-Hartman --- drivers/tty/serial/pch_uart.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/tty/serial/pch_uart.c b/drivers/tty/serial/pch_uart.c index d6aba8c087e4..da776a07173f 100644 --- a/drivers/tty/serial/pch_uart.c +++ b/drivers/tty/serial/pch_uart.c @@ -1438,6 +1438,7 @@ static struct eg20t_port *pch_uart_init_port(struct pci_dev *pdev, } pci_enable_msi(pdev); + pci_set_master(pdev); iobase = pci_resource_start(pdev, 0); mapbase = pci_resource_start(pdev, 1); -- 2.39.5