linux-arm-kernel.lists.infradead.org archive mirror
 help / color / mirror / Atom feed
From: r.sh.open@gmail.com (Rahul Sharma)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 5/5] clk/exynos5420: assign sclk_pixel id to pixel clock divider
Date: Sat, 24 Aug 2013 12:09:40 +0530	[thread overview]
Message-ID: <CAPdUM4O75Qcv6DD7NNRUG2vf+hs7bs0sFX+MAReS6JH_9B7rhQ@mail.gmail.com> (raw)
In-Reply-To: <3550203.JkdqaguvYB@flatron>

On 24 August 2013 01:32, Tomasz Figa <tomasz.figa@gmail.com> wrote:
> Hi Rahul,
>
> On Friday 23 of August 2013 12:27:58 Rahul Sharma wrote:
>> sclk_pixel is used to represent pixel clock divider on all exynos
>> SoCs not as a gate clock. It is queried in driver to pass as the
>> parent to hdmi clock while switching between parents. A new ID can
>> be asssigned Pixel gate clock which is currently not in use. Pixel
>> clock gate is default 'on'.
>
> This doesn't sound like a correct assumption, especially if you recall how
> common clock framework works - it disables any unclaimed clock
> automatically. Also we might want to support gating from power management
> reasons.
>
> IMHO you should simply export the dout_hdmi_pixel clock, keeping the
> original sclk_pixel exported as well.
>

Hi Tomasz,

Yea correct. I will export the divider clock and let hdmi driver use that
to pass as parent opf mout_pixel.

Regards,
Rahul Sharma.

> Best regards,
> Tomasz
>

      reply	other threads:[~2013-08-24  6:39 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-08-23  6:57 [PATCH v2 0/5] clk/exynos5420: add clocks for hdmi subsystem Rahul Sharma
2013-08-23  6:57 ` [PATCH v2 1/5] clk/exynos5420: add sclk_hdmiphy to the list of special clocks Rahul Sharma
2013-08-23  6:57 ` [PATCH v2 2/5] clk/exynos5420: add gate clock for mixer sysmmu Rahul Sharma
2013-08-23  6:57 ` [PATCH v2 3/5] clk/exynos5420: fix the order of parents of hdmi mux Rahul Sharma
2013-08-23  6:57 ` [PATCH v2 4/5] clk/exynos5420: add hdmi mux to change parents in hdmi driver Rahul Sharma
2013-08-23  6:57 ` [PATCH v2 5/5] clk/exynos5420: assign sclk_pixel id to pixel clock divider Rahul Sharma
2013-08-23 20:02   ` Tomasz Figa
2013-08-24  6:39     ` Rahul Sharma [this message]

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=CAPdUM4O75Qcv6DD7NNRUG2vf+hs7bs0sFX+MAReS6JH_9B7rhQ@mail.gmail.com \
    --to=r.sh.open@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 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).