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

Kalle Valo
2019-11-08T08:54:14Z

Ikjoon Jang <ikjn@chromium.org> wrote:

> 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().
>
> Tested-on: QCA9880
> Tested-on: QCA6174 hw3.2 SDIO WLAN.RMH.4.4.1-00029
>
> Signed-off-by: Ikjoon Jang <ikjn@chromium.org>
> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

Patch applied to ath-next branch of ath.git, thanks.

3b58d6a599ba ath10k: disable cpuidle during downloading firmware

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