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

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Message-Id: <20191108085411.82BA660D88@smtp.codeaurora.org>
Date:   Fri,  8 Nov 2019 08:54:11 +0000 (UTC)
From:   Kalle Valo <kvalo@...eaurora.org>
To:     Ikjoon Jang <ikjn@...omium.org>
Cc:     ath10k@...ts.infradead.org,
        "David S . Miller" <davem@...emloft.net>,
        linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, Ikjoon Jang <ikjn@...omium.org>
Subject: Re: [PATCH] ath10k: disable cpuidle during downloading firmware.

Ikjoon Jang <ikjn@...omium.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@...omium.org>
> Signed-off-by: Kalle Valo <kvalo@...eaurora.org>

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

3b58d6a599ba ath10k: disable cpuidle during downloading firmware

-- 
https://patchwork.kernel.org/patch/11222331/

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