From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Cc: avorontsov@ru.mvista.com, Ingo Molnar <mingo@elte.hu>,
linux-ide@vger.kernel.org,
Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>,
linux-kernel@vger.kernel.org,
Thomas Gleixner <tglx@linutronix.de>,
Steven Rostedt <rostedt@goodmis.org>,
Daniel Walker <dwalker@mvista.com>
Subject: Re: [PATCH v2 -rt] ide: workaround buggy hardware issues with preemptable hardirqs
Date: Sun, 29 Jun 2008 13:49:43 +0100 [thread overview]
Message-ID: <20080629134943.19b94bd2@lxorguk.ukuu.org.uk> (raw)
In-Reply-To: <486615E2.3080802@ru.mvista.com>
> His boot log shows the native mode.
Then the bridge is misprogrammed
> What's IDEIRT, some ISA bridge register? And why should one set
> [A]PIC to level mode for legacy mode IDE? :-O
You need an NDA and then they'll send you the data sheet for the bridges
and other logic. It's all programmable.
"He has an OpenPIC, it's PowerPC SoC, so no ELCR either"
Really - he's using a designed for PC ISA bridge etc.. he might have all
sorts of stuff on it.
Alan
next prev parent reply other threads:[~2008-06-29 13:10 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-06-23 23:40 [PATCH -rt] ide: fix interrupts processing issue with preempt-able hardirqs Anton Vorontsov
2008-06-23 23:51 ` Ingo Molnar
2008-06-24 0:00 ` Anton Vorontsov
2008-06-25 12:34 ` Anton Vorontsov
2008-06-25 12:32 ` Alan Cox
2008-06-25 14:12 ` Anton Vorontsov
2008-06-25 13:15 ` Sergei Shtylyov
2008-06-25 14:22 ` Anton Vorontsov
2008-06-25 14:32 ` Alan Cox
2008-06-25 15:26 ` Anton Vorontsov
2008-06-25 14:59 ` Anton Vorontsov
2008-06-28 0:54 ` [PATCH v2 -rt] ide: workaround buggy hardware issues with preemptable hardirqs Anton Vorontsov
2008-06-28 1:09 ` Anton Vorontsov
2008-06-28 9:15 ` Alan Cox
2008-06-28 9:14 ` Alan Cox
2008-06-28 10:43 ` Sergei Shtylyov
2008-06-29 12:49 ` Alan Cox [this message]
2008-06-29 13:17 ` Sergei Shtylyov
2008-06-29 14:23 ` Anton Vorontsov
2008-06-28 10:30 ` Sergei Shtylyov
2008-06-28 11:31 ` Anton Vorontsov
2008-06-28 11:52 ` Sergei Shtylyov
2008-06-29 23:26 ` Benjamin Herrenschmidt
2008-06-30 19:01 ` [RT] MPIC edge sensitive issues with hardirq preemption (was: Re: [PATCH v2 -rt] ide: workaround buggy hardware issues with preemptable hardirqs) Anton Vorontsov
2008-06-30 21:59 ` Benjamin Herrenschmidt
2008-06-30 22:37 ` Anton Vorontsov
2008-07-01 10:41 ` [RT] MPIC edge sensitive issues with hardirq preemption Sergei Shtylyov
2008-07-01 11:34 ` Anton Vorontsov
2008-06-23 23:52 ` [PATCH -rt] ide: fix interrupts processing issue with preempt-able hardirqs Anton Vorontsov
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