From patchwork Wed Mar 27 23:16:19 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paul Cercueil X-Patchwork-Id: 10874039 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 2F92E13B5 for ; Wed, 27 Mar 2019 23:17:46 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 1C90228A00 for ; Wed, 27 Mar 2019 23:17:46 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 105CB28A61; Wed, 27 Mar 2019 23:17:46 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.7 required=2.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8E20128A00 for ; Wed, 27 Mar 2019 23:17:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732507AbfC0XRl (ORCPT ); Wed, 27 Mar 2019 19:17:41 -0400 Received: from outils.crapouillou.net ([89.234.176.41]:59062 "EHLO crapouillou.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732379AbfC0XRj (ORCPT ); Wed, 27 Mar 2019 19:17:39 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=crapouillou.net; s=mail; t=1553728657; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:content-type: content-transfer-encoding:in-reply-to:in-reply-to: references:references; bh=Vfr89DEuixHt/Ld1cIBzy7ff8DhBwMoI2s6wXld3jbA=; b=Gqoh3Ei750tF1iMZ/7XovFZZ27Dfq2vbkPgmTacQO5D95aB6Fu8XcQqn4o1vqVko84Sokq FHhvNT60SUjNALPzjL+9qBjoWWn7Xj+ow5uxcis9Gb/h8B/cnUtz8qwl3gaiAh0QJRx1yy NzGC/KErRdA3GrSAYSO56YoI23qXDU0= From: Paul Cercueil To: Rob Herring , Mark Rutland , Thierry Reding , Daniel Lezcano , Thomas Gleixner , Wim Van Sebroeck , Ralf Baechle , Paul Burton , James Hogan , Jonathan Corbet , Michael Turquette , Stephen Boyd Cc: Mathieu Malaterre , od@zcrc.me, linux-pwm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-watchdog@vger.kernel.org, linux-mips@vger.kernel.org, linux-doc@vger.kernel.org, linux-clk@vger.kernel.org, Paul Cercueil Subject: [PATCH v11 15/27] pwm: jz4740: Allow selection of PWM channels 0 and 1 Date: Thu, 28 Mar 2019 00:16:19 +0100 Message-Id: <20190327231631.15708-16-paul@crapouillou.net> In-Reply-To: <20190327231631.15708-1-paul@crapouillou.net> References: <20190327231631.15708-1-paul@crapouillou.net> Sender: linux-mips-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The TCU channels 0 and 1 were previously reserved for system tasks, and thus unavailable for PWM. Signed-off-by: Paul Cercueil Tested-by: Mathieu Malaterre Tested-by: Artur Rojek --- drivers/pwm/pwm-jz4740.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) diff --git a/drivers/pwm/pwm-jz4740.c b/drivers/pwm/pwm-jz4740.c index b55ee879e23d..c874a387c1d9 100644 --- a/drivers/pwm/pwm-jz4740.c +++ b/drivers/pwm/pwm-jz4740.c @@ -42,11 +42,7 @@ static int jz4740_pwm_request(struct pwm_chip *chip, struct pwm_device *pwm) char clk_name[16]; int ret; - /* - * Timers 0 and 1 are used for system tasks, so they are unavailable - * for use as PWMs. - */ - if (pwm->hwpwm < 2) + if (!ingenic_tcu_pwm_can_use_chn(chip->dev, pwm->hwpwm)) return -EBUSY; snprintf(clk_name, sizeof(clk_name), "timer%u", pwm->hwpwm);