From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932253AbeBVMDF (ORCPT ); Thu, 22 Feb 2018 07:03:05 -0500 Received: from esa1.microchip.iphmx.com ([68.232.147.91]:4383 "EHLO esa1.microchip.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932121AbeBVMC5 (ORCPT ); Thu, 22 Feb 2018 07:02:57 -0500 X-IronPort-AV: E=Sophos;i="5.47,377,1515481200"; d="scan'208";a="12245955" From: Claudiu Beznea To: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , CC: , , , , , , , , , , , , , , Claudiu Beznea Subject: [PATCH v3 02/10] pwm: clps711x: populate PWM mode in of_xlate function Date: Thu, 22 Feb 2018 14:01:13 +0200 Message-ID: <1519300881-8136-3-git-send-email-claudiu.beznea@microchip.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1519300881-8136-1-git-send-email-claudiu.beznea@microchip.com> References: <1519300881-8136-1-git-send-email-claudiu.beznea@microchip.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Populate PWM mode in of_xlate function to avoid pwm_apply_state() failure. Signed-off-by: Claudiu Beznea --- drivers/pwm/pwm-clps711x.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/drivers/pwm/pwm-clps711x.c b/drivers/pwm/pwm-clps711x.c index 26ec24e457b1..2a4d31ab3af0 100644 --- a/drivers/pwm/pwm-clps711x.c +++ b/drivers/pwm/pwm-clps711x.c @@ -109,10 +109,20 @@ static const struct pwm_ops clps711x_pwm_ops = { static struct pwm_device *clps711x_pwm_xlate(struct pwm_chip *chip, const struct of_phandle_args *args) { + struct pwm_device *pwm; + struct pwm_caps caps; + if (args->args[0] >= chip->npwm) return ERR_PTR(-EINVAL); - return pwm_request_from_chip(chip, args->args[0], NULL); + pwm = pwm_request_from_chip(chip, args->args[0], NULL); + if (IS_ERR(pwm)) + return pwm; + + pwm_get_caps(chip, pwm, &caps); + pwm->args.mode = BIT(ffs(caps.modes) - 1); + + return pwm; } static int clps711x_pwm_probe(struct platform_device *pdev) -- 2.7.4