From patchwork Fri May 1 13:20:56 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 226508 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, 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 414A2C47253 for ; Fri, 1 May 2020 13:57:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1C0C82054F for ; Fri, 1 May 2020 13:57:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1588341423; bh=xcrADyEDg2EnQ7Xpdv5Hhi8g3f0y/fZgGhF4abv15RU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=Ltll6iGeF0F/4tqX4/zZhmBbzulzdWLitJCeKcKmi7WU9tLf/g7HIobHpLR+9ze+P mQKFt0XO4PjofdWQk37OY2UdbtxkU4kAH/30hZ85ni0qS7z+LvxKiglxY0T84n+jHr 2GZIVAGWLLbKTvy0KKWwSjFUhDvisNcHH3SbOoJU= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730246AbgEAN45 (ORCPT ); Fri, 1 May 2020 09:56:57 -0400 Received: from mail.kernel.org ([198.145.29.99]:56790 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728845AbgEANcB (ORCPT ); Fri, 1 May 2020 09:32:01 -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 4E83E208DB; Fri, 1 May 2020 13:32:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1588339920; bh=xcrADyEDg2EnQ7Xpdv5Hhi8g3f0y/fZgGhF4abv15RU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=XgHh/Ds67l+itqNYpOLdHR8oR5pFG6LMnLhBy4Qn1dRf3vmxfAIC5fUyCxuxVRNvt sslR8CTqrczK0CPOB9LM91GVk1v9yTDd0Wt0HrOrNMdCA/QQcWkcOi2gh8OkA3xh0F RPgnxTxHI8tgTA2viPLaQ26afsZfGdOkbfLwQBoU= 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 4.14 020/117] pwm: bcm2835: Dynamically allocate base Date: Fri, 1 May 2020 15:20:56 +0200 Message-Id: <20200501131547.424417185@linuxfoundation.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200501131544.291247695@linuxfoundation.org> References: <20200501131544.291247695@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;