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Date: Wed, 06 Nov 2019 20:22:58 +0200 From: Kalle Valo <kvalo@...eaurora.org> To: Ikjoon Jang <ikjn@...omium.org> Cc: ath10k@...ts.infradead.org, netdev@...r.kernel.org, linux-wireless@...r.kernel.org, linux-kernel@...r.kernel.org, "David S . Miller" <davem@...emloft.net> Subject: Re: [PATCH] ath10k: disable cpuidle during downloading firmware. Ikjoon Jang <ikjn@...omium.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@...omium.org> 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 -- https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
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