Messages in this thread Patch in this message | | | From | Tomoya MORINAGA <> | Subject | [PATCH] pch_uart: Fix MSI setting issue | Date | Mon, 2 Apr 2012 14:36:22 +0900 |
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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> --- 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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