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

From: Kalle Valo
Date: Wed Nov 06 2019 - 13:23:05 EST


Ikjoon Jang <ikjn@xxxxxxxxxxxx> 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@xxxxxxxxxxxx>

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

https://wireless.wiki.kernel.org/en/users/drivers/ath10k/submittingpatches#guidelines

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https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches