[PATCH] pch_uart: Fix MSI setting issue

[Tomoya MORINAGA]

The following patch (MSI setting) is not enough.


commit e463595fd9c752fa4bf06b47df93ef9ade3c7cf0
Author: Alexander Stein <alexander.stein@xxxxxxxxxxxxxxxxxxxxx>
Date:   Mon Jul 4 08:58:31 2011 +0200

    pch_uart: Add MSI support
    
    Signed-off-by: Alexander Stein <alexander.stein@xxxxxxxxxxxxxxxxxxxxx>
    Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>

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

cc: Alexander Stein <alexander.stein@xxxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Tomoya MORINAGA <tomoya.rohm@xxxxxxxxx>
---
 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 5928877..ae8f848 100644
--- a/drivers/tty/serial/pch_uart.c
+++ b/drivers/tty/serial/pch_uart.c
@@ -1586,6 +1586,7 @@ 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);
-- 
1.7.7.6

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