From: robherring2@gmail.com (Rob Herring)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ata: Don't use NO_IRQ in pata_of_platform driver
Date: Tue, 06 Dec 2011 13:56:00 -0600 [thread overview]
Message-ID: <4EDE7350.4010104@gmail.com> (raw)
In-Reply-To: <20111206114952.GS14542@n2100.arm.linux.org.uk>
On 12/06/2011 05:49 AM, Russell King - ARM Linux wrote:
> On Tue, Dec 06, 2011 at 11:37:35AM +0000, Dave Martin wrote:
>> 1) All OF code and drivers should be migrating to use 0 instead of NO_IRQ
>> for the no-interrupt case. Code which receives irq numbers directly
>> from the OF framework and refers to NO_IRQ, or expects 0 to be a valid
>> needs to be fixed.
>>
>> 2) Where we hit a problem, board code needs to be adapted to remap HW IRQs
>> 0-15 to different software values. (This could be done using irq
>> domains, or not)
>
> No AMBA driver I'm aware of ever uses an IRQ number 0 or is passed such
> an IRQ number.
The watchdog on VersatileAB is on Linux IRQ0. This is easily fixed with
VIC irqdomain patches which are queued up.
Rob
next prev parent reply other threads:[~2011-12-06 19:56 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20111110162859.GA7088@oksana.dev.rtsoft.ru>
[not found] ` <20111202192618.GC3037@localhost.localdomain>
2011-12-02 19:28 ` [PATCH] ata: Don't use NO_IRQ in pata_of_platform driver Linus Torvalds
2011-12-02 23:12 ` Benjamin Herrenschmidt
2011-12-05 16:11 ` Dave Martin
2011-12-05 17:40 ` Nicolas Pitre
2011-12-05 18:02 ` Dave Martin
2011-12-05 18:15 ` Geert Uytterhoeven
2011-12-05 18:18 ` Nicolas Pitre
2011-12-05 18:45 ` Alan Cox
2011-12-05 19:19 ` James Bottomley
2011-12-06 6:13 ` Jean-Christophe PLAGNIOL-VILLARD
2011-12-06 11:34 ` Alan Cox
2011-12-05 19:16 ` Rob Herring
2011-12-05 20:21 ` Anton Vorontsov
2011-12-05 20:47 ` Rob Herring
2011-12-05 20:53 ` Alan Cox
2011-12-06 9:30 ` Dave Martin
2011-12-06 10:34 ` Alan Cox
2011-12-06 10:55 ` Russell King - ARM Linux
2011-12-05 19:26 ` Dave Martin
2011-12-05 19:49 ` Nicolas Pitre
2011-12-06 9:37 ` Dave Martin
2011-12-06 10:46 ` Russell King - ARM Linux
2011-12-06 11:00 ` Geert Uytterhoeven
2011-12-06 11:03 ` Russell King - ARM Linux
2011-12-06 11:10 ` Alan Cox
2011-12-06 11:05 ` Alan Cox
2011-12-06 11:25 ` Russell King - ARM Linux
2011-12-06 12:11 ` Alan Cox
2011-12-06 11:37 ` Dave Martin
2011-12-06 11:49 ` Russell King - ARM Linux
2011-12-06 13:25 ` Dave Martin
2011-12-06 19:56 ` Rob Herring [this message]
2011-12-06 19:20 ` Linus Torvalds
2011-12-06 20:00 ` Russell King - ARM Linux
2011-12-06 20:59 ` Uwe Kleine-König
2011-12-06 19:11 ` Nicolas Pitre
2011-12-05 17:41 ` Alan Cox
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