devicetree.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Sjoerd Simons <sjoerd.simons@collabora.co.uk>
To: Lukasz Majewski <l.majewski@samsung.com>
Cc: Anand Moon <linux.amoon@gmail.com>,
	Eduardo Valentin <edubezval@gmail.com>,
	Russell King <linux@arm.linux.org.uk>,
	Kukjin Kim <kgene@kernel.org>,
	devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-pwm@vger.kernel.org
Subject: Re: [PATCH 5/6] pwm: samsung: Fix output race on disabling
Date: Wed, 08 Apr 2015 10:42:07 +0200	[thread overview]
Message-ID: <1428482527.4333.50.camel@collabora.co.uk> (raw)
In-Reply-To: <20150408102811.219b964f@amdc2363>



On Wed, 2015-04-08 at 10:28 +0200, Lukasz Majewski wrote:
> Hi Anand,
> 
> > From: Sjoerd Simons <sjoerd.simons@collabora.co.uk>
> > When disabling the samsung PWM the output state remains at the level
> > it was in the end of a pwm cycle. In other words, calling pwm_disable
> > when at 100% duty will keep the output active, while at all other
> > setting the output will go/stay inactive. On top of that the samsung
> > PWM settings are double-buffered, which means the new settings only
> > get applied at the start of a new PWM cycle.

This patch is already in the linux-pwm for-next tree so should probably
be dropped form this patchset to prevent conflicts.

-- 
Sjoerd Simons <sjoerd.simons@collabora.co.uk>
Collabora Ltd.

  reply	other threads:[~2015-04-08  8:42 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-03-26 16:39 Exynos5422 odroidxu3 pwm-fan control using thermal sensors Anand Moon
2015-03-26 16:39 ` [PATCH 1/6] ARM: dts :exynos5422-odroidxu3 Add pwm-fan node to the Odroid-XU3 board Anand Moon
2015-04-08  7:46   ` Lukasz Majewski
2015-03-26 16:39 ` [PATCH 2/6] ARM: dts exynos5420 update the cooling cells for core cpu0 Anand Moon
2015-04-08  7:47   ` Lukasz Majewski
2015-03-26 16:39 ` [PATCH 3/6] ARM:dts exynos5422 Update the thermal sensor for tmu_cpu0 Anand Moon
2015-04-08  8:02   ` Lukasz Majewski
2015-04-08  9:12     ` Anand Moon
2015-04-08  9:30       ` Lukasz Majewski
2015-04-08  9:44         ` Anand Moon
2015-03-26 16:39 ` [PATCH 4/6] ARM: dts: OdroidXU3: Enable TMU at Exynos5422 base Anand Moon
2015-04-08  8:03   ` Lukasz Majewski
2015-03-26 16:39 ` [PATCH 5/6] pwm: samsung: Fix output race on disabling Anand Moon
2015-04-08  8:28   ` Lukasz Majewski
2015-04-08  8:42     ` Sjoerd Simons [this message]
2015-04-08  8:53       ` Anand Moon
2015-03-26 16:39 ` [PATCH 6/6] hwmon: pwm-fan: Update the duty cycle inorder to control the pwm-fan Anand Moon
2015-04-08  8:44   ` Lukasz Majewski
2015-04-08 13:11     ` Guenter Roeck
2015-04-08 15:32     ` Guenter Roeck
2015-04-08 16:02       ` Anand Moon
2015-04-08 16:53         ` Guenter Roeck
2015-04-08 17:49           ` Anand Moon
2015-04-10 11:28             ` Anand Moon
2015-04-10 12:00               ` Sjoerd Simons
     [not found]                 ` <1428667201.22057.20.camel-ZGY8ohtN/8pPYcu2f3hruQ@public.gmane.org>
2015-04-10 12:59                   ` Anand Moon
2015-04-10 13:09                     ` Guenter Roeck
2015-04-10 13:17                       ` Anand Moon
2015-04-10 13:30                       ` Sjoerd Simons
2015-04-10 13:58                         ` Thierry Reding
2015-04-10 17:25                           ` Ben Gamari
2015-04-10 17:58                             ` Guenter Roeck
2015-04-02 10:02 ` Exynos5422 odroidxu3 pwm-fan control using thermal sensors Markus Reichl
2015-04-02 10:06 ` Markus Reichl

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=1428482527.4333.50.camel@collabora.co.uk \
    --to=sjoerd.simons@collabora.co.uk \
    --cc=devicetree@vger.kernel.org \
    --cc=edubezval@gmail.com \
    --cc=kgene@kernel.org \
    --cc=l.majewski@samsung.com \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-pwm@vger.kernel.org \
    --cc=linux-samsung-soc@vger.kernel.org \
    --cc=linux.amoon@gmail.com \
    --cc=linux@arm.linux.org.uk \
    /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).