From: Kalle Valo <kvalo@codeaurora.org>
To: Ikjoon Jang <ikjn@chromium.org>
Cc: ath10k@lists.infradead.org,
"David S . Miller" <davem@davemloft.net>,
linux-wireless@vger.kernel.org, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org, Ikjoon Jang <ikjn@chromium.org>
Subject: Re: [PATCH] ath10k: disable cpuidle during downloading firmware.
Date: Fri, 8 Nov 2019 08:54:11 +0000 (UTC) [thread overview]
Message-ID: <20191108085411.82BA660D88@smtp.codeaurora.org> (raw)
In-Reply-To: <20191101054035.42101-1-ikjn@chromium.org>
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
--
https://patchwork.kernel.org/patch/11222331/
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
prev parent reply other threads:[~2019-11-08 8:54 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-01 5:40 [PATCH] ath10k: disable cpuidle during downloading firmware Ikjoon Jang
2019-11-06 18:22 ` Kalle Valo
2019-11-06 18:33 ` Tom Psyborg
2019-11-08 8:31 ` Kalle Valo
2019-11-07 4:16 ` Ikjoon Jang
2019-11-08 8:32 ` Kalle Valo
2019-11-08 8:54 ` Kalle Valo [this message]
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