parport_pc: it887x fix
The IO port range requested by parport_pc.c:sio_ite_8872_probe is too small.
The IO-ports of ttyS1 (0x2f8) will be missconfigured by the ITE-chip. The ITE
starts looking for the chip a 0x2a0. An IO-portrange of 32 will not overwrite
the ports of ttyS1. Therefore register 0x60 should be written with
0xe5000000, enabling the ITE and setting IO-portsize to 32 bytes.
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/parport/parport_pc.c b/drivers/parport/parport_pc.c
index 7bfbad5..5d58ad5 100644
--- a/drivers/parport/parport_pc.c
+++ b/drivers/parport/parport_pc.c
@@ -2424,7 +2424,6 @@
u32 ite8872set;
u32 ite8872_lpt, ite8872_lpthi;
u8 ite8872_irq, type;
- char *fake_name = "parport probe";
int irq;
int i;
@@ -2432,11 +2431,11 @@
// make sure which one chip
for(i = 0; i < 5; i++) {
- base_res = request_region(inta_addr[i], 0x8, fake_name);
+ base_res = request_region(inta_addr[i], 32, "it887x");
if (base_res) {
int test;
pci_write_config_dword (pdev, 0x60,
- 0xe7000000 | inta_addr[i]);
+ 0xe5000000 | inta_addr[i]);
pci_write_config_dword (pdev, 0x78,
0x00000000 | inta_addr[i]);
test = inb (inta_addr[i]);