Linux-ARM-Kernel Archive on lore.kernel.org
 help / color / mirror / Atom feed
From: arnd@arndb.de (Arnd Bergmann)
To: linux-arm-kernel@lists.infradead.org
Subject: Unregisrtering a platform driver from another platform driver.
Date: Wed, 21 Jan 2015 12:15:28 +0100	[thread overview]
Message-ID: <2724993.T8ceeSDQyL@wuerfel> (raw)
In-Reply-To: <CAAVaN8xnO5mE1uwW=SPENwOugLv3n+JeNCE9ZycEK2_9QmXSPw@mail.gmail.com>

On Wednesday 21 January 2015 10:27:35 Andy Ng wrote:
> Dear Colleagues,
> 
> I would like to call "platform_driver_unregister" for a static module
> A from a static  module B.
> The static module A register its name  "physmap-flash".
> 
> Is there any kernel API to search and find the "physmap-flash" device,
> and then call unregistered with "platform_driver_unregister" from
> module B.

I assume you don't actually mean platform_driver_unregister(), as
that would remove the entire driver, not just the connection between
the driver and the device.
 
> Any advice will be very much appreciated.

You can do it from user space using the 'unbind' attribute, but I suppose
that's not what you want.

Can you describe why you want to unbind the device?

	Arnd

  reply	other threads:[~2015-01-21 11:15 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-01-21 10:27 Unregisrtering a platform driver from another platform driver Andy Ng
2015-01-21 11:15 ` Arnd Bergmann [this message]
2015-01-21 12:10   ` Andy Ng
2015-01-21 13:13     ` Arnd Bergmann
2015-01-21 13:49 ` Russell King - ARM Linux

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=2724993.T8ceeSDQyL@wuerfel \
    --to=arnd@arndb.de \
    --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