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From: grant.likely@secretlab.ca (Grant Likely)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 3/3] omap: add hwspinlock device
Date: Tue, 19 Oct 2010 17:12:43 -0600	[thread overview]
Message-ID: <AANLkTimTDCbLP+EeUeo35re0FrMvqV3ozU+v7DZXr_p3@mail.gmail.com> (raw)
In-Reply-To: <AANLkTinZ2+ocJCfUpT15Ow3J9XBa-8XWnVC3gDDJ7s-v@mail.gmail.com>

On Tue, Oct 19, 2010 at 3:02 PM, Ohad Ben-Cohen <ohad@wizery.com> wrote:
> On Tue, Oct 19, 2010 at 7:03 PM, Kevin Hilman
> <khilman@deeprootsystems.com> wrote:
>>> +postcore_initcall(hwspinlocks_init);
>>
>> Any reason this needs to be a postcore_initcall? ?Are there users of
>> hwspinlocks this early in boot?
>
> i2c-omap, which is subsys_initcall (the I2C bus is shared between the
> A9 and the M3 on some OMAP4 boards).
>
> And to allow early board code to reserve specific hwspinlock numbers
> for predefined use-cases, we probably want to be before arch_initcall.

Man. this is getting ugly.  I think we need to discuss how to solve
this at the Plumbers micro-conference. It kind of fits in with the
whole embedded (ab)use of the device model topic anyway. Actually,
this particular case isn't bad, but the moving of i2c and spi busses
to an earlier initcall is just band-aiding the real problem of driver
probe order dependencies.

g.

  reply	other threads:[~2010-10-19 23:12 UTC|newest]

Thread overview: 68+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-10-18  7:44 [PATCH 0/3] Add OMAP hardware spinlock misc driver Ohad Ben-Cohen
2010-10-18  7:44 ` [PATCH 1/3] drivers: misc: add omap_hwspinlock driver Ohad Ben-Cohen
2010-10-19 15:46   ` Greg KH
2010-10-19 20:18     ` Ohad Ben-Cohen
2010-10-19 16:58   ` Kevin Hilman
2010-10-19 20:21     ` Ohad Ben-Cohen
2010-10-19 17:01   ` Grant Likely
2010-10-19 20:43     ` Ohad Ben-Cohen
2010-10-19 20:58       ` Arnd Bergmann
2010-10-19 21:57         ` Ohad Ben-Cohen
2010-10-19 17:16   ` Kevin Hilman
2010-10-20 13:00     ` Ohad Ben-Cohen
2010-10-20 18:18       ` Kevin Hilman
2010-10-19 17:21   ` Arnd Bergmann
2010-10-19 20:51     ` Ohad Ben-Cohen
2010-10-19 21:08       ` Arnd Bergmann
2010-10-20 22:43         ` Ohad Ben-Cohen
2010-10-21  9:04           ` Arnd Bergmann
2010-10-21 10:13             ` Ohad Ben-Cohen
2010-10-21 12:02               ` Arnd Bergmann
2010-10-22 17:00   ` Tony Lindgren
2010-10-18  7:44 ` [PATCH 2/3] OMAP4: hwmod data: Add hwspinlock Ohad Ben-Cohen
2010-10-18  7:44 ` [PATCH 3/3] omap: add hwspinlock device Ohad Ben-Cohen
2010-10-19 17:03   ` Kevin Hilman
2010-10-19 17:05     ` Grant Likely
2010-10-19 21:02     ` Ohad Ben-Cohen
2010-10-19 23:12       ` Grant Likely [this message]
2010-10-20 14:09         ` Ohad Ben-Cohen
2010-10-20 15:51           ` Grant Likely
2010-10-19 23:53       ` Kevin Hilman
2010-10-20  1:20         ` Ryan Mallon
2010-10-20 14:38         ` Ohad Ben-Cohen
2010-10-20 15:55           ` Grant Likely
2010-10-20 18:37           ` Kevin Hilman
2010-10-20 19:21             ` Ohad Ben-Cohen
2010-10-20 23:58               ` Kevin Hilman
2010-10-21  6:11                 ` Ohad Ben-Cohen
2010-10-21  8:36               ` Kamoolkar, Mugdha
2010-10-21  9:06                 ` Ohad Ben-Cohen
2010-10-22  9:59                   ` Kamoolkar, Mugdha
2010-10-22 11:16                     ` Ohad Ben-Cohen
2010-10-21 12:26                 ` Kanigeri, Hari
2010-10-22 10:14                   ` Kamoolkar, Mugdha
2010-10-22 16:56               ` Tony Lindgren
2010-10-22 17:03                 ` Grant Likely
2010-10-22 17:28                   ` Tony Lindgren
2010-10-24 17:54                 ` Ohad Ben-Cohen
2010-10-25 19:02                   ` Tony Lindgren
2010-10-26 11:54                     ` Ohad Ben-Cohen
2010-10-26 19:06                       ` Tony Lindgren
2010-10-18 12:46 ` [PATCH 0/3] Add OMAP hardware spinlock misc driver Peter Zijlstra
2010-10-18 13:35   ` Russell King - ARM Linux
2010-10-18 13:43     ` Peter Zijlstra
2010-10-18 14:28       ` Ohad Ben-Cohen
2010-10-18 14:33         ` Peter Zijlstra
2010-10-18 14:39           ` Ohad Ben-Cohen
2010-10-18 15:27       ` Catalin Marinas
2010-10-18 15:32         ` Peter Zijlstra
2010-10-18 15:35           ` Ohad Ben-Cohen
2010-10-18 15:48             ` Peter Zijlstra
2010-10-18 15:51           ` Catalin Marinas
2010-10-18 15:58             ` Peter Zijlstra
2010-10-19 23:31 ` Daniel Walker
2010-10-20  6:13   ` Ohad Ben-Cohen
2010-10-20 10:00     ` Ohad Ben-Cohen
2010-10-20 22:29       ` Bryan Huntsman
2010-10-20  9:53   ` Russell King - ARM Linux
2010-10-20 22:15     ` Daniel Walker

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