From: Arnd Bergmann <arnd@arndb.de>
To: Sascha Hauer <s.hauer@pengutronix.de>
Cc: linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
viresh kumar <viresh.kumar@st.com>,
Shawn Guo <shawn.guo@linaro.org>,
Ryan Mallon <ryan@bluewatersys.com>
Subject: Re: [PATCH 1/2] PWM: add pwm framework support
Date: Wed, 29 Jun 2011 13:00:28 +0200 [thread overview]
Message-ID: <201106291300.28533.arnd@arndb.de> (raw)
In-Reply-To: <20110629085046.GM6069@pengutronix.de>
On Wednesday 29 June 2011, Sascha Hauer wrote:
> The other type is some mfd drivers which implement the pwm API themselves
> right now. These are currently incompatible with the pwm framework anyway.
> If a board wants to connect the mfd pwm to its backlight, the current
> pwm_request based on an integer id is not suitable anymore. We need
> a (struct device *dev, char *id) based pwm_request function then.
> So my plan is to change the pwm API once we have all in tree drivers
> in drivers/pwm.
Ok, sounds good. I don't much like the idea of using a string identifier
for this, but let's discuss that when we get there. Using fixed numbers
for the first version seems totally reasonable, as it keeps the existing
API.
Arnd
next prev parent reply other threads:[~2011-06-29 11:00 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-28 10:02 [RFC] implement a generic PWM framework - once again Sascha Hauer
2011-06-28 10:02 ` [PATCH 1/2] PWM: add pwm framework support Sascha Hauer
2011-06-28 11:14 ` Kurt Van Dijck
2011-06-28 12:27 ` Arnd Bergmann
2011-06-28 16:18 ` Sascha Hauer
2011-06-28 17:03 ` Arnd Bergmann
2011-06-29 8:50 ` Sascha Hauer
2011-06-29 11:00 ` Arnd Bergmann [this message]
2011-06-28 19:40 ` Matthias Kaehlcke
2011-06-28 10:02 ` [PATCH 2/2] pwm: Add a i.MX23/28 pwm driver Sascha Hauer
2011-06-28 10:28 ` Lothar Waßmann
2011-06-28 15:22 ` Arnd Bergmann
-- strict thread matches above, loose matches on Subject: below --
2011-06-29 9:03 [PATCH v2] implement a generic PWM framework Sascha Hauer
2011-06-29 9:03 ` [PATCH 1/2] PWM: add pwm framework support Sascha Hauer
2011-06-29 11:38 ` Kurt Van Dijck
2011-06-29 11:41 ` Arnd Bergmann
2011-06-29 19:47 ` Matthias Kaehlcke
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