diff options
| author | Jonathan Woithe <jwoithe@just42.net> | 2013-12-09 16:33:08 +1030 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-02-06 11:34:00 -0800 |
| commit | 6c640da03afedf50faab443f0768002a7e191ca3 (patch) | |
| tree | ac170c299e1621ecad98328f396973df89c7b755 | |
| parent | df2f06c9c5f9b1a9da3618444cf5f9bf0ea87cb9 (diff) | |
serial: 8250: Fix initialisation of Quatech cards with the AMCC PCI chip
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@just42.net)
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/tty/serial/8250/8250_pci.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/tty/serial/8250/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c index f87438b6228f..77d0aca9050a 100644 --- a/drivers/tty/serial/8250/8250_pci.c +++ b/drivers/tty/serial/8250/8250_pci.c @@ -1259,10 +1259,10 @@ static int pci_quatech_init(struct pci_dev *dev) 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; |