From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 156E9C433E0 for ; Fri, 10 Jul 2020 15:46:59 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id D07BB20725 for ; Fri, 10 Jul 2020 15:46:58 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="muzJlmUs" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D07BB20725 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Type: Content-Transfer-Encoding:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date:Message-ID:From: References:To:Subject:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=+xiwdUGu+IlWfewwtXbHXHa1m3cnDLWVp0WniD83bSA=; b=muzJlmUsUvSw1+vWYseXSXvo+ nrQzjEjfgsPju1XvQkFM/GquBDs9iVb2Wza5G49ibT2lPeT6pqf8U18w4bu8k6sbMvmRb1vbsYWUs ltDR25N/ZalghJEV9bYcs/BPsreWFPifzW709ORdXXvHszquw1z1d1rP4fTTII5Lg/RbtxgbX3NXz YxbvuI5CRtDnmrxhZ84Cb33OjmOtQwklrS5ZuljHyojQONsVVrvW6V6VsdgLDdQK3RIqCm07WR7n1 f7MvjPBKB1wuJ3VAIAFBdFXHITw6SO/bwtRV/aNhvDhqQc1f2kkiMc6C0IHdD4+Qt2/mKizfzwdKc gOxgDnsAA==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jtvDU-0003nm-JR; Fri, 10 Jul 2020 15:45:36 +0000 Received: from foss.arm.com ([217.140.110.172]) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jtvDR-0003nD-SJ for linux-arm-kernel@lists.infradead.org; Fri, 10 Jul 2020 15:45:34 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 9EA7C1FB; Fri, 10 Jul 2020 08:45:29 -0700 (PDT) Received: from [10.37.12.58] (unknown [10.37.12.58]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 4BBB63F8F8; Fri, 10 Jul 2020 08:45:26 -0700 (PDT) Subject: Re: [PATCH 1/2] memory: samsung: exynos5422-dmc: Adjust polling interval and uptreshold To: Krzysztof Kozlowski References: <20200708153420.29484-1-lukasz.luba@arm.com> <20200708153420.29484-2-lukasz.luba@arm.com> <20200710131921.GA23039@pi3> <4bfa227e-3a6b-dfe2-140b-b402dea52231@arm.com> <20200710144947.GB23140@pi3> From: Lukasz Luba Message-ID: Date: Fri, 10 Jul 2020 16:45:24 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.9.0 MIME-Version: 1.0 In-Reply-To: <20200710144947.GB23140@pi3> Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200710_114533_989510_E930F140 X-CRM114-Status: GOOD ( 16.27 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-samsung-soc@vger.kernel.org, s.nawrocki@samsung.com, linux-pm@vger.kernel.org, k.konieczny@samsung.com, b.zolnierkie@samsung.com, linux-kernel@vger.kernel.org, Chanwoo Choi , kyungmin.park@samsung.com, willy.mh.wolff.ml@gmail.com, myungjoo.ham@samsung.com, chanwoo@kernel.org, kgene@kernel.org, linux-arm-kernel@lists.infradead.org, Marek Szyprowski Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 7/10/20 3:49 PM, Krzysztof Kozlowski wrote: > On Fri, Jul 10, 2020 at 02:41:28PM +0100, Lukasz Luba wrote: >> >> >> On 7/10/20 2:19 PM, Krzysztof Kozlowski wrote: >>> On Fri, Jul 10, 2020 at 03:13:18PM +0200, Marek Szyprowski wrote: > > In such case, maybe as you said, let's switch to polling mode >>> unconditionally? >> >> I can make happen that the polling mode will be unconditionally >> set as default. >> >> Do you think that the interrupt mode code can still stay in the >> driver, because maybe in future could be fixed? > > How interrupt mode would exist in such case? Or rather: how would it be > used? There is no point to keep dead code and code once removed, can be > easily brought back. I can make a module param i.e. irq-mode=1, while in default where the user don't provide param, we use polling mode. Then I don't have to remove DT interrupts and the related code from the driver. Regards, Lukasz _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel