From patchwork Tue Apr 28 18:24:00 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 226750 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=-9.8 required=3.0 tests=DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 02DB4C83008 for ; Tue, 28 Apr 2020 18:57:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CD85A20730 for ; Tue, 28 Apr 2020 18:57:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1588100262; bh=xcrADyEDg2EnQ7Xpdv5Hhi8g3f0y/fZgGhF4abv15RU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=JKynoi9XE4t52PbvNK5WL49Y+awIVu3je1MzDTqPzfa5Vv67cvE8uoO1qKlbdtZyf XupboSgO0ejOtpFRv7gj4Q8FK/IEnmCmc2L++MyqTaSfG2riHWJZii29G/bM02EvzA 1XG5fs/yvW88ku10sQ7MYDJ/xPAqByibNyy+S45w= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729473AbgD1SaQ (ORCPT ); Tue, 28 Apr 2020 14:30:16 -0400 Received: from mail.kernel.org ([198.145.29.99]:44802 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728966AbgD1SaP (ORCPT ); Tue, 28 Apr 2020 14:30:15 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (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 4D08D21744; Tue, 28 Apr 2020 18:30:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1588098614; bh=xcrADyEDg2EnQ7Xpdv5Hhi8g3f0y/fZgGhF4abv15RU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=fDwhMeF96KBJLT3EGRnzbrJBVmh7Hx6XAPTyG7TMCLoFIXh9KkVq7fVIvJkPStcfL 4HxvBnHT7lKgW5+CtOD6OI1cwKEVowuSo9/RgMqFZEjjLf+t6it4KPImbE3faGp9Dq SjTAC9pzxeeGqsp9oJWyUmqVZ+kOkuxcq8/uUJRg= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Florian Fainelli , =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= , Nicolas Saenz Julienne , Thierry Reding , Sasha Levin Subject: [PATCH 4.19 028/131] pwm: bcm2835: Dynamically allocate base Date: Tue, 28 Apr 2020 20:24:00 +0200 Message-Id: <20200428182228.656110733@linuxfoundation.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200428182224.822179290@linuxfoundation.org> References: <20200428182224.822179290@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Florian Fainelli [ Upstream commit 2c25b07e5ec119cab609e41407a1fb3fa61442f5 ] The newer 2711 and 7211 chips have two PWM controllers and failure to dynamically allocate the PWM base would prevent the second PWM controller instance being probed for succeeding with an -EEXIST error from alloc_pwms(). Fixes: e5a06dc5ac1f ("pwm: Add BCM2835 PWM driver") Signed-off-by: Florian Fainelli Acked-by: Uwe Kleine-König Reviewed-by: Nicolas Saenz Julienne Signed-off-by: Thierry Reding Signed-off-by: Sasha Levin --- drivers/pwm/pwm-bcm2835.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/pwm/pwm-bcm2835.c b/drivers/pwm/pwm-bcm2835.c index db001cba937fd..e340ad79a1ec9 100644 --- a/drivers/pwm/pwm-bcm2835.c +++ b/drivers/pwm/pwm-bcm2835.c @@ -166,6 +166,7 @@ static int bcm2835_pwm_probe(struct platform_device *pdev) pc->chip.dev = &pdev->dev; pc->chip.ops = &bcm2835_pwm_ops; + pc->chip.base = -1; pc->chip.npwm = 2; pc->chip.of_xlate = of_pwm_xlate_with_flags; pc->chip.of_pwm_n_cells = 3;