From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from smtp.codeaurora.org ([198.145.29.96]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1iSPxQ-0008QS-AG for ath10k@lists.infradead.org; Wed, 06 Nov 2019 18:23:05 +0000 From: Kalle Valo Subject: Re: [PATCH] ath10k: disable cpuidle during downloading firmware. References: <20191101054035.42101-1-ikjn@chromium.org> Date: Wed, 06 Nov 2019 20:22:58 +0200 In-Reply-To: <20191101054035.42101-1-ikjn@chromium.org> (Ikjoon Jang's message of "Fri, 1 Nov 2019 13:40:35 +0800") Message-ID: <87y2ws3lvh.fsf@kamboji.qca.qualcomm.com> MIME-Version: 1.0 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "ath10k" Errors-To: ath10k-bounces+kvalo=adurom.com@lists.infradead.org To: Ikjoon Jang Cc: netdev@vger.kernel.org, linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org, ath10k@lists.infradead.org, "David S . Miller" Ikjoon Jang 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 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 _______________________________________________ ath10k mailing list ath10k@lists.infradead.org http://lists.infradead.org/mailman/listinfo/ath10k