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: 377174 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=-16.7 required=3.0 tests=BAYES_00, 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 EC4E3C433DB for ; Fri, 5 Feb 2021 22:37:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BDC2764FAE for ; Fri, 5 Feb 2021 22:37:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230090AbhBEWhX (ORCPT ); Fri, 5 Feb 2021 17:37:23 -0500 Received: from mx2.suse.de ([195.135.220.15]:59188 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231622AbhBEN4U (ORCPT ); Fri, 5 Feb 2021 08:56:20 -0500 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 Cc: phil@raspberrypi.com, wahrenst@gmx.net, linux-kernel@vger.kernel.org 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 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.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;