[PATCHv2 01/27] crypto: omap-sham: use runtime_pm autosuspend for clock handling
Herbert Xu
herbert at gondor.apana.org.au
Fri Jun 24 06:30:36 PDT 2016
On Wed, Jun 22, 2016 at 04:23:34PM +0300, Tero Kristo wrote:
> Calling runtime PM API for every block causes serious performance hit to
> crypto operations that are done on a long buffer. As crypto is performed
> on a page boundary, encrypting large buffers can cause a series of crypto
> operations divided by page. The runtime PM API is also called those many
> times.
>
> Convert the driver to use runtime_pm autosuspend instead, with a default
> timeout value of 1 second. This results in upto ~50% speedup.
>
> Signed-off-by: Tero Kristo <t-kristo at ti.com>
Patches 1-4 applied. Thanks.
--
Email: Herbert Xu <herbert at gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
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