From patchwork Fri Feb 5 13:52:42 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nicolas Saenz Julienne X-Patchwork-Id: 12070177 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=-17.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham 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 38361C433DB for ; Fri, 5 Feb 2021 13:55:16 +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 BE1A864FC9 for ; Fri, 5 Feb 2021 13:55:15 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org BE1A864FC9 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.de 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-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-Id:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=S5a9m+3qXMwR5VWRQNBTlf6+ngLqW+Na3VPz4U2ibzg=; b=1xFaBPaYAgjigRAqc1O3pbUuo 5IOHsqoaxHS6lPZPK0oMt3Spjfj79zDktt3CvFPoFk72hYHUm74imaxAB6xbwIMBzE5cDeSOF7XeC JEEOl7ngtbArLZ4DiDQZynDzxv28neVUca7dxEn71M/4nXhZWcmofnGqB1ZNyyUHq8pCnbx6q0oDh WyqWrHf9Upe0za4bkMyEbfyLiQFAwaL0mucPGSkhyNdZhdmfKNV87r3vyNumHVPb+4OUX/mRP3zKJ 1fpAi9rKS4P2l6N44L+ez75Af4BHPqnqH9IozzN1zHXszyaUCsfHRhbdLj11OALKcuHfEmgxDhsmE dUS4V48jg==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1l81YZ-000484-1s; Fri, 05 Feb 2021 13:53:55 +0000 Received: from mx2.suse.de ([195.135.220.15]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1l81Xj-0003pk-9d; Fri, 05 Feb 2021 13:53:06 +0000 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 241F5AEC4; Fri, 5 Feb 2021 13:53:02 +0000 (UTC) From: Nicolas Saenz Julienne To: f.fainelli@gmail.com, Saenz Julienne , bcm-kernel-feedback-list@broadcom.com, linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, Ray Jui , Scott Branden Subject: [RFC/PATCH 06/11] soc: bcm: bcm2835-power: Bypass power_on/off() calls Date: Fri, 5 Feb 2021 14:52:42 +0100 Message-Id: <20210205135249.2924-7-nsaenzjulienne@suse.de> X-Mailer: git-send-email 2.30.0 In-Reply-To: <20210205135249.2924-1-nsaenzjulienne@suse.de> References: <20210205135249.2924-1-nsaenzjulienne@suse.de> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210205_085303_527658_64701F71 X-CRM114-Status: GOOD ( 13.38 ) 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-kernel@vger.kernel.org, phil@raspberrypi.com, wahrenst@gmx.net Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Bypass power_on/power_off() when running on BCM2711 as they are not needed. Signed-off-by: Nicolas Saenz Julienne --- drivers/soc/bcm/bcm2835-power.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/soc/bcm/bcm2835-power.c b/drivers/soc/bcm/bcm2835-power.c index 17bc71fd243c..ea65f459161d 100644 --- a/drivers/soc/bcm/bcm2835-power.c +++ b/drivers/soc/bcm/bcm2835-power.c @@ -197,6 +197,10 @@ static int bcm2835_power_power_off(struct bcm2835_power_domain *pd, u32 pm_reg) { struct bcm2835_power *power = pd->power; + /* We don't run this on BCM2711 */ + if (power->arsan_asb) + return 0; + /* Enable functional isolation */ PM_WRITE(pm_reg, PM_READ(pm_reg) & ~PM_ISFUNC); @@ -218,6 +222,10 @@ static int bcm2835_power_power_on(struct bcm2835_power_domain *pd, u32 pm_reg) int inrush; bool powok; + /* We don't run this on BCM2711 */ + if (power->arsan_asb) + return 0; + /* If it was already powered on by the fw, leave it that way. */ if (PM_READ(pm_reg) & PM_POWUP) return 0;