From: Liam Girdwood <liam.r.girdwood@linux.intel.com>
To: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: alsa-devel@alsa-project.org, Liam Girdwood <lgirdwood@gmail.com>,
Ryo Tsutsui <Ryo.Tsutsui@wolfsonmicro.com>
Subject: Re: [PATCH] ASoC: dapm: Only clear paths we've walked
Date: Mon, 01 Apr 2013 17:54:59 +0100 [thread overview]
Message-ID: <1364835299.2416.11.camel@loki> (raw)
In-Reply-To: <1364817085-8202-1-git-send-email-broonie@opensource.wolfsonmicro.com>
On Mon, 2013-04-01 at 12:51 +0100, Mark Brown wrote:
> From: Ryo Tsutsui <Ryo.Tsutsui@wolfsonmicro.com>
>
> When clearing the walked flags there is no need to clear all paths, we
> only need to clear the paths we actually walked. This means we can split
> dapm_clear_walk() into input and output versions and rather than going
> through all DAPM paths we can recurse down the path until we encounter
> paths we have not yet walked.
>
> This reduces the number of operations we need to perform and improves
> cache locality.
>
> [Pulled out of the vendor tree that the patch was originally generated
> for by me, any bugs were introduced in that process -- broonie]
>
> Signed-off-by: Ryo Tsutsui <Ryo.Tsutsui@wolfsonmicro.com>
> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
prev parent reply other threads:[~2013-04-01 16:55 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-01 11:51 [PATCH] ASoC: dapm: Only clear paths we've walked Mark Brown
2013-04-01 16:54 ` Liam Girdwood [this message]
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