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authorTomoya MORINAGA <tomoya.rohm@gmail.com>2012-04-02 14:36:22 +0900
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-04-09 10:43:26 -0700
commit867c902e07d5677e2a5b54c0435e589513abde48 (patch)
treec971a2ddbd357d912993b0a12eac2a4282656dd4 /drivers/tty
parentbc02d15a3452fdf9276e8fb89c5e504a88df888a (diff)
pch_uart: Fix MSI setting issue
The following patch (MSI setting) is not enough. commit e463595fd9c752fa4bf06b47df93ef9ade3c7cf0 Author: Alexander Stein <alexander.stein@systec-electronic.com> Date: Mon Jul 4 08:58:31 2011 +0200 pch_uart: Add MSI support Signed-off-by: Alexander Stein <alexander.stein@systec-electronic.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> To enable MSI mode, PCI bus-mastering must be enabled. This patch enables the setting. cc: Alexander Stein <alexander.stein@systec-electronic.com> Signed-off-by: Tomoya MORINAGA <tomoya.rohm@gmail.com> Cc: stable <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty')
-rw-r--r--drivers/tty/serial/pch_uart.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/tty/serial/pch_uart.c b/drivers/tty/serial/pch_uart.c
index e825460478be..afa060fde110 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);