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[23.128.96.18]) by mx.google.com with ESMTP id gt15si349106ejb.747.2020.07.08.10.37.23; Wed, 08 Jul 2020 10:37:46 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b="B4fGq/Tj"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730808AbgGHREn (ORCPT + 99 others); Wed, 8 Jul 2020 13:04:43 -0400 Received: from mail.kernel.org ([198.145.29.99]:38646 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727937AbgGHREn (ORCPT ); Wed, 8 Jul 2020 13:04:43 -0400 Received: from localhost (fw-tnat.cambridge.arm.com [217.140.96.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 9245B206F6; Wed, 8 Jul 2020 17:04:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1594227883; bh=yLokUIyv/FU4YEOgFc19faEG4D/5r8C7dVCPb2W8VKc=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=B4fGq/TjVKblcyVpd+3BSFcb4aG3qWs8twLOY2l9+H0b7hPZNquD9y7S/9+wwypur p6O8z0qz6FQx/f6LDNZWalhDPlbcNmOdMn0R1RSHHgXammZP7fzFwKU8waVgTCqe34 moa+v0Pjrv6xYXtvCU540jqTxqG89NXtdUDd9ano= Date: Wed, 8 Jul 2020 18:04:37 +0100 From: Mark Brown To: Douglas Anderson Cc: Andy Gross , Bjorn Andersson , mka@chromium.org, Akash Asthana , Rajendra Nayak , swboyd@chromium.org, linux-arm-msm@vger.kernel.org, georgi.djakov@linaro.org, ctheegal@codeaurora.org, mkshah@codeaurora.org, linux-kernel@vger.kernel.org, linux-spi@vger.kernel.org Subject: Re: [PATCH 2/2] spi: spi-qcom-qspi: Set an autosuspend delay of 250 ms Message-ID: <20200708170437.GA4655@sirena.org.uk> References: <20200707201641.2030532-1-dianders@chromium.org> <20200707131607.2.I3c56d655737c89bd9b766567a04b0854db1a4152@changeid> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="x0Bbm7aQwrWvLJ2v" Content-Disposition: inline In-Reply-To: <20200707131607.2.I3c56d655737c89bd9b766567a04b0854db1a4152@changeid> X-Cookie: Oh Dad! We're ALL Devo! User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --x0Bbm7aQwrWvLJ2v Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Tue, Jul 07, 2020 at 01:16:41PM -0700, Douglas Anderson wrote: > In commit cff80645d6d3 ("spi: spi-qcom-qspi: Add interconnect support") > the spi_geni_runtime_suspend() and spi_geni_runtime_resume() > became a bit slower. Measuring on my hardware I see numbers in the > hundreds of microseconds now. 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