All of lore.kernel.org
 help / color / mirror / Atom feed
From: Linus Walleij <linus.walleij-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
To: Grant Likely
	<grant.likely-s3s/WqlpOiPyB63q8FvJNQ@public.gmane.org>,
	Guennadi Liakhovetski
	<g.liakhovetski-Mmb7MZpHnFY@public.gmane.org>
Cc: "Rafael J. Wysocki" <rjw-KKrjLPT3xs0@public.gmane.org>,
	spi-devel-general-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org,
	Magnus Damm <magnus.damm-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	linux-pm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH/RFC] spi: bitbang: add PM QoS support
Date: Fri, 16 Mar 2012 10:06:22 +0100	[thread overview]
Message-ID: <CACRpkdZNQZyx-HZjzyMctpUQJtNYMwq5KsdE6RTFwKcHuz_X+w@mail.gmail.com> (raw)
In-Reply-To: <20120315092923.951203E04FD@localhost>

On Thu, Mar 15, 2012 at 10:29 AM, Grant Likely
<grant.likely-s3s/WqlpOiPyB63q8FvJNQ@public.gmane.org> wrote:
> On Wed, 14 Mar 2012 22:04:25 +0100 (CET), Guennadi Liakhovetski <g.liakhovetski-Mmb7MZpHnFY@public.gmane.org> wrote:
>> This patch adds a PM QoS requirement to the spi-bitbang driver, preventing
>> the underlying SPI hardware driver to suspend for too long a time, as long
>> as there are transfers on the queue.
>>
>> Signed-off-by: Guennadi Liakhovetski <g.liakhovetski-Mmb7MZpHnFY@public.gmane.org>
>
> Shouldn't this be part of the core spi infrastructure?  Particularly since queuing
> is moving into the core.

Hm, the spi-bitbang driver needs to be converted to use the central
message queue, Guennadi can you look into that since you're using it?

The spi-pl022.c and also Samsung spi-s3c64xx.c is converted showing
examples on how go about with that.

Yours,
Linus Walleij

------------------------------------------------------------------------------
This SF email is sponsosred by:
Try Windows Azure free for 90 days Click Here 
http://p.sf.net/sfu/sfd2d-msazure

  parent reply	other threads:[~2012-03-16  9:06 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-03-14 21:04 [PATCH/RFC] spi: bitbang: add PM QoS support Guennadi Liakhovetski
     [not found] ` <Pine.LNX.4.64.1203141837170.30291-0199iw4Nj15frtckUFj5Ag@public.gmane.org>
2012-03-15  9:29   ` Grant Likely
2012-03-15 16:57     ` Guennadi Liakhovetski
     [not found]       ` <Pine.LNX.4.64.1203151747480.2988-0199iw4Nj15frtckUFj5Ag@public.gmane.org>
2012-03-15 21:21         ` Grant Likely
2012-03-16  9:06     ` Linus Walleij [this message]
     [not found]       ` <CACRpkdZNQZyx-HZjzyMctpUQJtNYMwq5KsdE6RTFwKcHuz_X+w-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-03-16 23:39         ` [PATCH] spi: bitbang: convert to using core message queue Guennadi Liakhovetski
     [not found]           ` <Pine.LNX.4.64.1203170036590.20979-0199iw4Nj15frtckUFj5Ag@public.gmane.org>
2012-03-18 23:33             ` Linus Walleij
     [not found]               ` <CACRpkdZFobGAqO-8xe_JqA9stc=S6SHBCNEN4DSXy1AN5Ro8HQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-03-20 14:40                 ` Grant Likely
2012-04-11 20:56                   ` Guennadi Liakhovetski
     [not found]                     ` <Pine.LNX.4.64.1204112254420.10361-0199iw4Nj15frtckUFj5Ag@public.gmane.org>
2012-04-18 12:20                       ` Linus Walleij
2012-05-16  6:57             ` Linus Walleij
     [not found]               ` <CACRpkdYFj6btOx75_myH45+tyqg3h21xnTL7PofydNeOVVQz_g-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-05-20  3:02                 ` Grant Likely
2012-05-21 11:19                   ` Guennadi Liakhovetski

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=CACRpkdZNQZyx-HZjzyMctpUQJtNYMwq5KsdE6RTFwKcHuz_X+w@mail.gmail.com \
    --to=linus.walleij-qsej5fyqhm4dnm+yrofe0a@public.gmane.org \
    --cc=g.liakhovetski-Mmb7MZpHnFY@public.gmane.org \
    --cc=grant.likely-s3s/WqlpOiPyB63q8FvJNQ@public.gmane.org \
    --cc=linux-pm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
    --cc=magnus.damm-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org \
    --cc=rjw-KKrjLPT3xs0@public.gmane.org \
    --cc=spi-devel-general-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.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.