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| author |   Tomoya MORINAGA <tomoya.rohm@gmail.com> | 2012-04-02 14:36:22 +0900 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-04-09 10:43:26 -0700 |
| commit | 867c902e07d5677e2a5b54c0435e589513abde48 (patch) | |
| tree | c971a2ddbd357d912993b0a12eac2a4282656dd4 /drivers/tty | |
| parent | serial/8250_pci: add a "force background timer" flag and use it for the "kt" serial port (diff) | |
| download | linux-dev-867c902e07d5677e2a5b54c0435e589513abde48.tar.xz linux-dev-867c902e07d5677e2a5b54c0435e589513abde48.zip | |
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.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 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); |