Re: [PATCH v2 1/4] hwrng: exynos - Runtime suspend device after init

From	Herbert Xu <herbert@gondor.apana.org.au>
Newsgroups	linux.kernel
Subject	Re: [PATCH v2 1/4] hwrng: exynos - Runtime suspend device after init
Date	2016-04-05 14:50 +0200
Message-ID	<rkyAI-3wP-51@gated-at.bofh.it> (permalink)
References	<rcof8-4qj-5@gated-at.bofh.it>
Organization	linux.* mail to news gateway

Show all headers | View raw

On Mon, Mar 14, 2016 at 09:07:12AM +0900, Krzysztof Kozlowski wrote:
> The driver uses pm_runtime_put_noidle() after initialization so the
> device might remain in active state if the core does not read from it
> (the read callback contains regular runtime put). The put_noidle() was
> chosen probably to avoid unneeded suspend and resume cycle after the
> initialization.
> 
> However for this purpose autosuspend is enabled so it is safe to runtime
> put just after the initialization.
> 
> Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>

All applied.
-- 
Email: Herbert Xu <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt

Back to linux.kernel | Previous | Next | Find similar | Unroll thread

Thread

Re: [PATCH v2 1/4] hwrng: exynos - Runtime suspend device after init Herbert Xu <herbert@gondor.apana.org.au> - 2016-04-05 14:50 +0200

csiph-web