Re: [PATCH] ath10k: disable cpuidle during downloading firmware.

Kalle Valo
2019-11-06T18:23:05Z

Ikjoon Jang <ikjn@chromium.org> writes:

> Downloading ath10k firmware needs a large number of IOs and
> cpuidle's miss predictions make it worse. In the worst case,
> resume time can be three times longer than the average on sdio.
>
> This patch disables cpuidle during firmware downloading by
> applying PM_QOS_CPU_DMA_LATENCY in ath10k_download_fw().
>
> Signed-off-by: Ikjoon Jang <ikjn@chromium.org>

On what hardware and firmware versions did you test this? I'll add that
to the commit log.