PCI/x86: write_pci_config_byte fix offset
also add write_pci_config_16
Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
diff --git a/arch/x86/pci/early.c b/arch/x86/pci/early.c
index 42df4b6..8e2821e 100644
--- a/arch/x86/pci/early.c
+++ b/arch/x86/pci/early.c
@@ -49,7 +49,14 @@
{
PDprintk("%x writing to %x: %x\n", slot, offset, val);
outl(0x80000000 | (bus<<16) | (slot<<11) | (func<<8) | offset, 0xcf8);
- outb(val, 0xcfc);
+ outb(val, 0xcfc + (offset&3));
+}
+
+void write_pci_config_16(u8 bus, u8 slot, u8 func, u8 offset, u16 val)
+{
+ PDprintk("%x writing to %x: %x\n", slot, offset, val);
+ outl(0x80000000 | (bus<<16) | (slot<<11) | (func<<8) | offset, 0xcf8);
+ outw(val, 0xcfc + (offset&2));
}
int early_pci_allowed(void)
