This is a note to let you know that I've just added the patch titled
pch_uart: Fix MSI setting issue
to the 3.3-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
pch_uart-fix-msi-setting-issue.patch
and it can be found in the queue-3.3 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From 867c902e07d5677e2a5b54c0435e589513abde48 Mon Sep 17 00:00:00 2001
From: Tomoya MORINAGA <[email protected]>
Date: Mon, 2 Apr 2012 14:36:22 +0900
Subject: pch_uart: Fix MSI setting issue
From: Tomoya MORINAGA <[email protected]>
commit 867c902e07d5677e2a5b54c0435e589513abde48 upstream.
The following patch (MSI setting) is not enough.
commit e463595fd9c752fa4bf06b47df93ef9ade3c7cf0
Author: Alexander Stein <[email protected]>
Date: Mon Jul 4 08:58:31 2011 +0200
pch_uart: Add MSI support
Signed-off-by: Alexander Stein <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
To enable MSI mode, PCI bus-mastering must be enabled.
This patch enables the setting.
cc: Alexander Stein <[email protected]>
Signed-off-by: Tomoya MORINAGA <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/tty/serial/pch_uart.c | 1 +
1 file changed, 1 insertion(+)
--- 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_
}
pci_enable_msi(pdev);
+ pci_set_master(pdev);
iobase = pci_resource_start(pdev, 0);
mapbase = pci_resource_start(pdev, 1);
Patches currently in stable-queue which might be from [email protected] are
queue-3.3/pch_uart-fix-msi-setting-issue.patch
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