[PATCH] parport: Use request_muxed_region for IT87 probe and lock
From: Alan Cox
Date: Wed May 04 2011 - 05:34:21 EST
From: Alan Cox <alan@xxxxxxxxxxxxxxx>
This is needed as part of making the various IT87 drivers actually co-exist
politely with each other, and with other superio devices that may be muxed
on 0x2E/0x2F.
It can be applied before or after the other patches by Nat Gurumoorthy without
problem.
Signed-off-by: Alan Cox <alan@xxxxxxxxxxxxxxx>
---
drivers/parport/parport_pc.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/parport/parport_pc.c b/drivers/parport/parport_pc.c
index bc8ce48..f330338 100644
--- a/drivers/parport/parport_pc.c
+++ b/drivers/parport/parport_pc.c
@@ -1621,7 +1621,7 @@ static void __devinit detect_and_report_it87(void)
u8 origval, r;
if (verbose_probing)
printk(KERN_DEBUG "IT8705 Super-IO detection, now testing port 2E ...\n");
- if (!request_region(0x2e, 2, __func__))
+ if (!request_muxed_region(0x2e, 2, __func__))
return;
origval = inb(0x2e); /* Save original value */
outb(0x87, 0x2e);
--
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