All of lore.kernel.org
 help / color / mirror / Atom feed
From: haojian.zhuang@gmail.com (Haojian Zhuang)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/2] mfd: max8925: request resource region
Date: Mon, 7 May 2012 16:18:40 +0800	[thread overview]
Message-ID: <CAN1soZzj1FKhFPHOUjbARpzuA1_vB4TO0O8ThCiG49nPqYqCwg@mail.gmail.com> (raw)
In-Reply-To: <20120507075800.GL26481@n2100.arm.linux.org.uk>

On Mon, May 7, 2012 at 3:58 PM, Russell King - ARM Linux
<linux@arm.linux.org.uk> wrote:
> On Mon, May 07, 2012 at 11:10:48AM +0800, Haojian Zhuang wrote:
>> If resource region isn't requested, component devices will fail to request
>> their resources.
>>
>> Signed-off-by: Haojian Zhuang <haojian.zhuang@gmail.com>
>
> This looks wrong.
>
> This driver looks broken. ?IO regions are for PC IO stuff, not for I2C
> buses. ?There is no resource reservation system in the kernel for
> registers on I2C devices.

There's some components in PMIC devices. I used IO resources to
identify these components,
and these IO resources are register offset in PMIC. But if I choose
MEM resources, it may
conflict with real memory resources. So I choose IO resources. Do you
have any other implementation
instead?

Thanks
Haojian

  reply	other threads:[~2012-05-07  8:18 UTC|newest]

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-05-07  3:10 [PATCH 1/2] mfd: max8925: request resource region Haojian Zhuang
2012-05-07  3:10 ` [PATCH 2/2] ARM: mmp: add io head file Haojian Zhuang
2012-05-07  9:23   ` Arnd Bergmann
2012-05-07  7:58 ` [PATCH 1/2] mfd: max8925: request resource region Russell King - ARM Linux
2012-05-07  8:18   ` Haojian Zhuang [this message]
2012-05-07  8:59     ` Russell King - ARM Linux
2012-05-07  9:01   ` Mark Brown
2012-05-07  9:08     ` Russell King - ARM Linux
2012-05-07  9:47       ` Mark Brown
2012-05-07 10:14         ` Arnd Bergmann
2012-05-07 10:23           ` Haojian Zhuang
2012-05-07 11:21             ` Arnd Bergmann
2012-05-07 11:29               ` Mark Brown
     [not found]                 ` <201205071319.48768.arnd@arndb.de>
2012-05-07 14:02                   ` Samuel Ortiz
2012-05-07 14:15                   ` Mark Brown
2012-05-07 15:15                     ` Arnd Bergmann
2012-05-07 15:28                       ` Mark Brown
2012-05-07 10:37           ` Mark Brown
     [not found]             ` <201205071314.51886.arnd@arndb.de>
2012-05-07 14:06               ` Mark Brown
2012-05-07 15:09                 ` Arnd Bergmann
2012-05-07 15:17                   ` Mark Brown
2012-05-07 19:26                     ` Arnd Bergmann
2012-05-07 19:58                       ` Mark Brown
2012-05-08  8:17                       ` Mark Brown
2012-05-08 14:44                         ` Arnd Bergmann
2012-05-08 15:31                           ` Mark Brown
2012-05-09 12:43                             ` Arnd Bergmann
2012-05-09 14:13                               ` Mark Brown
2012-05-09 14:19                                 ` Arnd Bergmann
2012-05-09 14:42                                   ` Mark Brown
2012-05-09 15:03                                     ` Arnd Bergmann
2012-05-09 15:28                                       ` Mark Brown
2012-05-09 16:27                                         ` Arnd Bergmann
2012-05-09 16:18                                 ` Russell King - ARM Linux
2012-05-09 16:30                                   ` Mark Brown
2012-05-09 16:07                               ` Russell King - ARM Linux
2012-05-09 16:26                                 ` Arnd Bergmann
2012-05-09 16:27                                   ` Russell King - ARM Linux
2012-05-07 18:57             ` Russell King - ARM Linux
2012-05-07 19:27               ` Mark Brown
2012-05-07  8:12 ` Samuel Ortiz

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=CAN1soZzj1FKhFPHOUjbARpzuA1_vB4TO0O8ThCiG49nPqYqCwg@mail.gmail.com \
    --to=haojian.zhuang@gmail.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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.