From mboxrd@z Thu Jan 1 00:00:00 1970 From: 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> References: <1519300881-8136-1-git-send-email-claudiu.beznea@microchip.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1519300881-8136-1-git-send-email-claudiu.beznea@microchip.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: thierry.reding@gmail.com, shc_work@mail.ru, kgene@kernel.org, krzk@kernel.org, linux@armlinux.org.uk, mturquette@baylibre.com, sboyd@codeaurora.org, jani.nikula@linux.intel.com, joonas.lahtinen@linux.intel.com, rodrigo.vivi@intel.com, airlied@linux.ie, kamil@wypas.org, b.zolnierkie@samsung.com, jdelvare@suse.com, linux@roeck-us.net, dmitry.torokhov@gmail.com, rpurdie@rpsys.net, jacek.anaszewski@gmail.com, pavel@ucw.cz, mchehab@kernel.org, sean@mess.org, lee.jones@linaro.org, daniel.thompson@linaro.org, jingoohan1@gmail.com, milo.kim@ti.com, robh+dt@kernel.org, mark.rutland@arm.com, corbet@lwn.net, nicolas.ferre@microchip.com, alexandre.belloni@free-electrons.com Cc: linux-hwmon@vger.kernel.org, linux-pwm@vger.kernel.org, linux-fbdev@vger.kernel.org, linux-samsung-soc@vger.kernel.org, devicetree@vger.kernel.org, intel-gfx@lists.freedesktop.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Claudiu Beznea , linux-leds@vger.kernel.org, linux-input@vger.kernel.org, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org List-Id: linux-input@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