[PATCH v3] pch_uart: Add MSI support

[Alexander Stein]

Signed-off-by: Alexander Stein <alexander.stein@xxxxxxxxxxxxxxxxxxxxx>
---
Hello Greg,

I'm sorry. This patch was based some other patches, like console support.

Changes in v3:
* Rebased to current git master

 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 4652109..d3ba85b 100644
--- a/drivers/tty/serial/pch_uart.c
+++ b/drivers/tty/serial/pch_uart.c
@@ -1429,6 +1429,8 @@ 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;
@@ -1485,6 +1487,8 @@ 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);
@@ -1568,6 +1572,7 @@ 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;
-- 
1.7.3.4

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