commit: 867c902e07d5677e2a5b54c0435e589513abde48
From: Tomoya MORINAGA <[email protected]>
Date: Mon, 2 Apr 2012 14:36:22 +0900
Subject: pch_uart: Fix MSI setting issue

The following patch (MSI setting) is not enough.

commit e463595fd9c752fa4bf06b47df93ef9ade3c7cf0
Author: Alexander Stein <[email protected]>
Date:   Mon Jul 4 08:58:31 2011 +0200

    pch_uart: Add MSI support

    Signed-off-by: Alexander Stein <[email protected]>
    Signed-off-by: Greg Kroah-Hartman <[email protected]>

To enable MSI mode, PCI bus-mastering must be enabled.
This patch enables the setting.

cc: Alexander Stein <[email protected]>
Signed-off-by: Tomoya MORINAGA <[email protected]>
Cc: stable <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
 drivers/tty/serial/pch_uart.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/tty/serial/pch_uart.c b/drivers/tty/serial/pch_uart.c
index e825460..afa060f 100644
--- a/drivers/tty/serial/pch_uart.c
+++ b/drivers/tty/serial/pch_uart.c
@@ -1655,6 +1655,7 @@ 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);
-- 
1.7.3.4
--
To unsubscribe from this list: send the line "unsubscribe stable" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to