This is a note to let you know that I've just added the patch titled
serial: 8250: Fix initialisation of Quatech cards with the AMCC PCI chip
to the 3.10-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:
serial-8250-fix-initialisation-of-quatech-cards-with-the-amcc-pci-chip.patch
and it can be found in the queue-3.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 9c5320f8d7d9a2cf623e65d50e1113f34d9b9eb1 Mon Sep 17 00:00:00 2001
From: Jonathan Woithe <jwoithe@xxxxxxxxxx>
Date: Mon, 9 Dec 2013 16:33:08 +1030
Subject: serial: 8250: Fix initialisation of Quatech cards with the AMCC PCI chip
From: Jonathan Woithe <jwoithe@xxxxxxxxxx>
commit 9c5320f8d7d9a2cf623e65d50e1113f34d9b9eb1 upstream.
Fix the initialisation of older Quatech serial cards which are fitted with
the AMCC PCI Matchmaker interface chip.
Signed-off-by: Jonathan Woithe (jwoithe@xxxxxxxxxx)
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/tty/serial/8250/8250_pci.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/drivers/tty/serial/8250/8250_pci.c
+++ b/drivers/tty/serial/8250/8250_pci.c
@@ -1260,10 +1260,10 @@ static int pci_quatech_init(struct pci_d
unsigned long base = pci_resource_start(dev, 0);
if (base) {
u32 tmp;
- outl(inl(base + 0x38), base + 0x38);
+ outl(inl(base + 0x38) | 0x00002000, base + 0x38);
tmp = inl(base + 0x3c);
outl(tmp | 0x01000000, base + 0x3c);
- outl(tmp, base + 0x3c);
+ outl(tmp &= ~0x01000000, base + 0x3c);
}
}
return 0;
Patches currently in stable-queue which might be from jwoithe@xxxxxxxxxx are
queue-3.10/serial-8250-fix-initialisation-of-quatech-cards-with-the-amcc-pci-chip.patch
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