linux-arm-kernel.lists.infradead.org archive mirror
 help / color / mirror / Atom feed
From: tony@atomide.com (Tony Lindgren)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 09/14] at91: switch pit timer to early platform devices
Date: Thu, 28 Apr 2011 23:08:02 -0700	[thread overview]
Message-ID: <20110429060801.GN3755@atomide.com> (raw)
In-Reply-To: <20110428113427.GG17290@n2100.arm.linux.org.uk>

* Russell King - ARM Linux <linux@arm.linux.org.uk> [110428 04:32]:
> On Thu, Apr 28, 2011 at 01:23:03PM +0200, Andrew Victor wrote:
> > hi,
> > 
> > > this will allow to specify the resources per soc
> > >
> > > as the 5series use a different start address for the pit
> > 
> > I really don't see the fascination with early platform_devices for timer.
> > A sys_timer is initialized way earlier, and there are surely cleaner
> > ways to just pass a "base address" through to the driver.
> > The interrupt is always AT91_ID_SYS on all chips, so there is no point
> > making it configurable.
> 
> Me too - it looks like this early device stuff is heading in the
> wrong direction.

Me too. Most of the stuff can be initialized much later and really
only timer and interrupts are needed early. Sure there are easily
dependencies to clock framework etc, but only those clocks need
to be initialized.

Regards,

Tony

  parent reply	other threads:[~2011-04-29  6:08 UTC|newest]

Thread overview: 85+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-04-25 18:08 [PATCH 0/14] at91: factorize soc init and switch to early platform Jean-Christophe PLAGNIOL-VILLARD
2011-04-25 18:31 ` [PATCH 01/14] at91rm9200: introduce at91rm9200_set_type to specficy cpu package Jean-Christophe PLAGNIOL-VILLARD
2011-04-25 18:31 ` [PATCH 02/14] at91: introduce commom AT91_BASE_SYS Jean-Christophe PLAGNIOL-VILLARD
2011-04-25 21:48   ` Ryan Mallon
2011-04-26  4:27     ` Jean-Christophe PLAGNIOL-VILLARD
2011-04-25 18:31 ` [PATCH 03/14] at91: factorize at91 interrupts init to soc Jean-Christophe PLAGNIOL-VILLARD
2011-04-25 21:52   ` Ryan Mallon
2011-04-25 22:11   ` H Hartley Sweeten
2011-04-26 17:29     ` Jean-Christophe PLAGNIOL-VILLARD
2011-04-26 22:04       ` Andrew Victor
2011-04-26 23:39         ` Jean-Christophe PLAGNIOL-VILLARD
2011-04-28 11:43   ` Russell King - ARM Linux
2011-04-25 18:31 ` [PATCH 04/14 v2] at91: merge board usb-a9260 and usb-a9263 together Jean-Christophe PLAGNIOL-VILLARD
2011-04-25 18:31 ` [PATCH 05/14] at91: use structure to store the current soc Jean-Christophe PLAGNIOL-VILLARD
2011-04-25 22:08   ` Ryan Mallon
2011-04-26  4:21     ` Jean-Christophe PLAGNIOL-VILLARD
2011-04-26  4:44       ` Ryan Mallon
2011-04-26  6:42         ` Jean-Christophe PLAGNIOL-VILLARD
2011-04-26 20:22           ` Ryan Mallon
2011-04-26 23:45             ` Jean-Christophe PLAGNIOL-VILLARD
2011-04-27  0:13               ` Ryan Mallon
2011-04-27  1:27                 ` Jean-Christophe PLAGNIOL-VILLARD
2011-04-27  1:47                   ` Ryan Mallon
2011-04-27  3:18                     ` Jean-Christophe PLAGNIOL-VILLARD
2011-04-27  3:41                       ` Ryan Mallon
2011-04-28 14:04       ` Andrew Victor
2011-04-28 14:10         ` Jean-Christophe PLAGNIOL-VILLARD
2011-04-28 20:20           ` Ryan Mallon
2011-04-28 23:06             ` Jean-Christophe PLAGNIOL-VILLARD
2011-04-28 23:24               ` Ryan Mallon
2011-04-29  2:10                 ` Ryan Mallon
2011-04-29  8:32                   ` Jean-Christophe PLAGNIOL-VILLARD
2011-04-29  8:35                 ` Jean-Christophe PLAGNIOL-VILLARD
2011-04-29  8:50                   ` Ryan Mallon
2011-05-02 15:38         ` Jean-Christophe PLAGNIOL-VILLARD
2011-05-02 20:25           ` Ryan Mallon
2011-05-02 20:24             ` Jean-Christophe PLAGNIOL-VILLARD
2011-05-02 20:38               ` Ryan Mallon
2011-05-02 20:51                 ` Jean-Christophe PLAGNIOL-VILLARD
2011-05-02 21:27                   ` Ryan Mallon
2011-05-02 21:29                     ` Jean-Christophe PLAGNIOL-VILLARD
2011-05-02 22:05                       ` Ryan Mallon
2011-05-02 22:06                         ` Jean-Christophe PLAGNIOL-VILLARD
2011-05-02 22:32                           ` Ryan Mallon
2011-05-02 22:41                             ` Jean-Christophe PLAGNIOL-VILLARD
2011-05-02 23:16                     ` Russell King - ARM Linux
2011-05-02 23:16                       ` Jean-Christophe PLAGNIOL-VILLARD
2011-04-25 18:31 ` [PATCH 06/14 v3] at91: switch to CLKDEV_LOOKUP Jean-Christophe PLAGNIOL-VILLARD
2011-04-25 18:31 ` [PATCH 07/14] at91: switch gpio to early platfrom device Jean-Christophe PLAGNIOL-VILLARD
2011-04-25 22:51   ` Ryan Mallon
2011-04-26  4:11     ` Jean-Christophe PLAGNIOL-VILLARD
2011-04-25 18:31 ` [PATCH 08/14] at91: move gpio to drivers/gpio Jean-Christophe PLAGNIOL-VILLARD
2011-04-25 18:31 ` [PATCH 09/14] at91: switch pit timer to early platform devices Jean-Christophe PLAGNIOL-VILLARD
2011-04-28  5:07   ` Ryan Mallon
2011-04-28 11:23   ` Andrew Victor
2011-04-28 11:34     ` Russell King - ARM Linux
2011-04-28 13:15       ` Jean-Christophe PLAGNIOL-VILLARD
2011-04-28 16:56         ` Andrew Victor
2011-04-28 17:33           ` Jean-Christophe PLAGNIOL-VILLARD
2011-04-28 18:15           ` Russell King - ARM Linux
2011-04-28 20:47             ` Andrew Victor
2011-04-28 21:46               ` Russell King - ARM Linux
2011-04-28 23:38                 ` Jean-Christophe PLAGNIOL-VILLARD
2011-04-29  9:28                   ` Russell King - ARM Linux
2011-04-30  1:36                     ` Jean-Christophe PLAGNIOL-VILLARD
2011-05-08 10:08                       ` Russell King - ARM Linux
2011-05-08 10:44                         ` Jean-Christophe PLAGNIOL-VILLARD
2011-04-29  7:55               ` Greg Ungerer
2011-04-29  6:08       ` Tony Lindgren [this message]
2011-04-29  8:31         ` Jean-Christophe PLAGNIOL-VILLARD
2011-04-25 18:31 ` [PATCH 10/14] at91: switch st " Jean-Christophe PLAGNIOL-VILLARD
2011-04-25 18:40 ` [PATCH 11/14] at91: move pit timer to drivers/clocksource Jean-Christophe PLAGNIOL-VILLARD
2011-04-25 19:14 ` [PATCH 12/14] at91: move st " Jean-Christophe PLAGNIOL-VILLARD
2011-04-26  1:11 ` [PATCH 13/14] at91: move register clocks to soc generic init Jean-Christophe PLAGNIOL-VILLARD
2011-04-26  3:13   ` Ryan Mallon
2011-04-26  1:11 ` [PATCH 14/14] at91: move clock subsystem init " Jean-Christophe PLAGNIOL-VILLARD
2011-04-26  3:13   ` Ryan Mallon
2011-04-26  4:13     ` Jean-Christophe PLAGNIOL-VILLARD
2011-04-26  4:32       ` Ryan Mallon
2011-04-26  4:32         ` Jean-Christophe PLAGNIOL-VILLARD
2011-04-27 21:13 ` [PATCH 0/14] at91: factorize soc init and switch to early platform Ryan Mallon
2011-04-28  2:26   ` Jean-Christophe PLAGNIOL-VILLARD
2011-04-28  2:41   ` Jean-Christophe PLAGNIOL-VILLARD
2011-04-28  3:59     ` Ryan Mallon
2011-04-28  4:14       ` Jean-Christophe PLAGNIOL-VILLARD

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20110429060801.GN3755@atomide.com \
    --to=tony@atomide.com \
    --cc=linux-arm-kernel@lists.infradead.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).