p71924506
/
linux_old1
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

serial: 8250: Fix initialisation of Quatech cards with the AMCC PCI chip 

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>
This commit is contained in:
Jonathan Woithe 2013-10-31 15:43:40 +10:30 committed by Greg Kroah-Hartman
parent d6a62b3b7e
commit 6d4fa5bac7
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/tty/serial/8250/8250_pci.c
View File

@ -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;