From: Benjamin Herrenschmidt <benh@kernel•crashing.org>
To: Olaf Hering <olaf@aepfle•de>
Cc: linuxppc-dev@ozlabs•org
Subject: Re: IDE not found on Performa due to interrupt breakage
Date: Thu, 21 Sep 2006 21:56:21 +1000 [thread overview]
Message-ID: <1158839781.26347.106.camel@localhost.localdomain> (raw)
In-Reply-To: <20060921115030.GA16732@aepfle.de>
On Thu, 2006-09-21 at 13:50 +0200, Olaf Hering wrote:
> The IDE controller is not usable on a Performa 6400 with 2.6.18:
>
> <6>hda: Enabling MultiWord DMA 2
> <4>ide0: Disabled unable to get IRQ 13.
> <6>ide0: failed to initialize IDE interface
.../...
Looks like a workaround for bogus OF bitrotted... What about this patch:
Index: linux-work/drivers/ide/ppc/pmac.c
===================================================================
--- linux-work.orig/drivers/ide/ppc/pmac.c 2006-07-01 13:51:19.000000000 +1000
+++ linux-work/drivers/ide/ppc/pmac.c 2006-09-21 21:55:31.000000000 +1000
@@ -1326,7 +1326,7 @@
if (macio_irq_count(mdev) == 0) {
printk(KERN_WARNING "ide%d: no intrs for device %s, using 13\n",
i, mdev->ofdev.node->full_name);
- irq = 13;
+ irq = irq_create_mapping(NULL, 13);
} else
irq = macio_irq(mdev, 0);
next prev parent reply other threads:[~2006-09-21 11:56 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-09-21 11:50 IDE not found on Performa due to interrupt breakage Olaf Hering
2006-09-21 11:56 ` Benjamin Herrenschmidt [this message]
2006-09-21 14:14 ` Olaf Hering
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