From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: David Brownell <david-b@pacbell.net>
Cc: Linux Kernel list <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [patch 2.6.24-rc1] resource_len() utility function
Date: Thu, 25 Oct 2007 02:44:05 +0100 [thread overview]
Message-ID: <20071025024405.3e960e9c@the-village.bc.nu> (raw)
In-Reply-To: <200710241820.52376.david-b@pacbell.net>
On Wed, 24 Oct 2007 18:20:52 -0700
David Brownell <david-b@pacbell.net> wrote:
> Add a new resource_len() function, so drivers can start using this
> instead of driver-private code for a common idiom. The call can be
> useful with at least:
>
> - request_region(), release_region()
> - request_mem_region(), release_mem_region()
> - ioremap()
>
> Candidate drivers include those using platform or PNP busses, and
> maybe some others. PCI already has a similar function.
>
> This patch also updates a representative set of drivers in two
> subsystems to use this call (SPI, and USB peripheral/gadget).
PCI also increasingly is using functions that allow the user to choose to
map a resource as a resource (eg pci_iomap). So is it better to have
functions request_mem_resource(res) free_mem_resource(res) and similar
instead or as well ?
next prev parent reply other threads:[~2007-10-25 1:41 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-25 1:20 David Brownell
2007-10-25 1:44 ` Alan Cox [this message]
2007-10-25 2:08 ` Jeff Garzik
2007-10-25 2:47 ` David Brownell
2007-10-25 3:46 ` Jeff Garzik
2007-10-25 4:38 ` David Brownell
2007-10-25 12:29 ` Alan Cox
2007-10-25 16:31 ` David Brownell
2007-10-25 2:39 ` David Brownell
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=20071025024405.3e960e9c@the-village.bc.nu \
--to=alan@lxorguk.ukuu.org.uk \
--cc=akpm@linux-foundation.org \
--cc=david-b@pacbell.net \
--cc=linux-kernel@vger.kernel.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
all inboxes | Powered by JetHome®