From: linux@arm.linux.org.uk (Russell King - ARM Linux)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 02/10] pwm: Allow chips to support multiple PWMs.
Date: Wed, 8 Feb 2012 09:13:27 +0000 [thread overview]
Message-ID: <20120208091327.GH889@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <20120207070400.GA29238@avionic-0098.mockup.avionic-design.de>
On Tue, Feb 07, 2012 at 08:04:00AM +0100, Thierry Reding wrote:
> One of the major problems when converting to a non-global namespace is how to
> represent the relationship in code. For device tree this should be easy to do
> because it has all the infrastructure in place. For non-device-tree devices I
> have no idea yet how this could be done. Perhaps by using something like the
> clock API and using names for lookup?
Well, the first step is to make sure that the pwm 'chip' drivers don't
know anything about the global numberspace.
That limits the extent of the global numberspace to the pwm core and
pwm users. You then don't have to worry about the pwm chip drivers
while you work out how to solve the other half of the problem.
next prev parent reply other threads:[~2012-02-08 9:13 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-06 15:19 [PATCH v2 00/10] Add PWM framework and device-tree support Thierry Reding
2012-02-06 15:19 ` [PATCH v2 01/10] PWM: add pwm framework support Thierry Reding
2012-02-06 15:19 ` [PATCH v2 02/10] pwm: Allow chips to support multiple PWMs Thierry Reding
2012-02-06 21:22 ` Lars-Peter Clausen
2012-02-07 7:04 ` Thierry Reding
2012-02-07 11:38 ` Mark Brown
2012-02-08 9:13 ` Russell King - ARM Linux [this message]
2012-02-08 11:12 ` Thierry Reding
2012-02-07 22:53 ` Ryan Mallon
2012-02-08 8:15 ` Thierry Reding
2012-02-08 9:00 ` Sascha Hauer
2012-02-08 11:16 ` Thierry Reding
2012-02-08 9:17 ` Russell King - ARM Linux
2012-02-08 10:31 ` Thierry Reding
2012-02-06 15:19 ` [PATCH v2 03/10] of: Add PWM support Thierry Reding
2012-02-06 15:19 ` [PATCH v2 04/10] arm/tegra: Fix PWM clock programming Thierry Reding
2012-02-06 15:19 ` [PATCH v2 05/10] arm/tegra: Provide clock for only one PWM controller Thierry Reding
2012-02-06 15:19 ` [PATCH v2 06/10] pwm: Add NVIDIA Tegra SoC support Thierry Reding
2012-02-06 15:19 ` [PATCH v2 07/10] arm/tegra: Add PWFM controller device tree probing Thierry Reding
2012-02-06 15:19 ` [PATCH v2 08/10] pwm: Add Blackfin support Thierry Reding
2012-02-06 15:19 ` [PATCH v2 09/10] pwm: Add PXA support Thierry Reding
2012-02-06 15:19 ` [PATCH v2 10/10] pwm-backlight: Add rudimentary device tree support Thierry Reding
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