Messages in this thread Patch in this message | | | From | Alan Cox <> | Subject | [PATCH] parport: Use request_muxed_region for IT87 probe and lock | Date | Wed, 04 May 2011 10:18:42 +0100 |
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From: Alan Cox <alan@linux.intel.com>
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@linux.intel.com> ---
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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