Hi Mark,
On 09/09/2019, Mark Brown wrote:
> On Thu, Sep 05, 2019 at 04:01:10AM +0300, Vladimir Oltean wrote:
>
>> This patchset proposes an interface from the SPI subsystem for
>> software timestamping SPI transfers. There is a default implementation
>> provided in the core, as well as a mechanis
On Thu, Sep 05, 2019 at 04:01:10AM +0300, Vladimir Oltean wrote:
> This patchset proposes an interface from the SPI subsystem for
> software timestamping SPI transfers. There is a default implementation
> provided in the core, as well as a mechanism for SPI slave drivers to
> check which byte was
Since v1, I noticed that under CPU load, the pre-to-post delay gets
reduced to half (i.e. the code runs twice as fast). After a bit of
debugging, turns out this is the effect of the 'ondemand' governor.
Disabling dynamic frequency scaling (either by switching to the
'performance' governor or by mak