[yocto] [PATCH 05/11] pch_uart: Add MSI support
Darren Hart
dvhart at linux.intel.com
Thu Mar 1 15:58:46 PST 2012
From: Alexander Stein <alexander.stein at systec-electronic.com>
commit e463595fd9c752fa4bf06b47df93ef9ade3c7cf0 upstream.
Signed-off-by: Alexander Stein <alexander.stein at systec-electronic.com>
Signed-off-by: Greg Kroah-Hartman <gregkh at suse.de>
---
drivers/tty/serial/pch_uart.c | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/drivers/tty/serial/pch_uart.c b/drivers/tty/serial/pch_uart.c
index 81d262e..c124011 100644
--- a/drivers/tty/serial/pch_uart.c
+++ b/drivers/tty/serial/pch_uart.c
@@ -1438,6 +1438,8 @@ static struct eg20t_port *pch_uart_init_port(struct pci_dev *pdev,
goto init_port_hal_free;
}
+ pci_enable_msi(pdev);
+
iobase = pci_resource_start(pdev, 0);
mapbase = pci_resource_start(pdev, 1);
priv->mapbase = mapbase;
@@ -1494,6 +1496,8 @@ static void pch_uart_pci_remove(struct pci_dev *pdev)
struct eg20t_port *priv;
priv = (struct eg20t_port *)pci_get_drvdata(pdev);
+
+ pci_disable_msi(pdev);
pch_uart_exit_port(priv);
pci_disable_device(pdev);
kfree(priv);
@@ -1581,6 +1585,7 @@ static int __devinit pch_uart_pci_probe(struct pci_dev *pdev,
return ret;
probe_disable_device:
+ pci_disable_msi(pdev);
pci_disable_device(pdev);
probe_error:
return ret;
--
1.7.6.5
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