From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thierry Reding Subject: [PATCH] pwm: sun4i: Initialize variables before use Date: Mon, 20 Jan 2020 15:32:06 +0100 Message-ID: <20200120143206.710666-1-thierry.reding@gmail.com> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: Received: from mail-wm1-f67.google.com ([209.85.128.67]:53079 "EHLO mail-wm1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726642AbgATOcM (ORCPT ); Mon, 20 Jan 2020 09:32:12 -0500 Received: by mail-wm1-f67.google.com with SMTP id p9so14729805wmc.2 for ; Mon, 20 Jan 2020 06:32:11 -0800 (PST) Sender: linux-pwm-owner@vger.kernel.org List-Id: linux-pwm@vger.kernel.org To: Thierry Reding Cc: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= , Maxime Ripard , Jernej Skrabec , =?UTF-8?q?Cl=C3=A9ment=20P=C3=A9ron?= , linux-pwm@vger.kernel.org GCC can't always determine that the duty, period and prescaler values are initialized when returning from sun4i_pwm_calculate(), so help out a little by initializing them to 0. Signed-off-by: Thierry Reding --- drivers/pwm/pwm-sun4i.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/pwm/pwm-sun4i.c b/drivers/pwm/pwm-sun4i.c index 0decc7cde133..3e3efa6c768f 100644 --- a/drivers/pwm/pwm-sun4i.c +++ b/drivers/pwm/pwm-sun4i.c @@ -234,9 +234,9 @@ static int sun4i_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm, { struct sun4i_pwm_chip *sun4i_pwm = to_sun4i_pwm_chip(chip); struct pwm_state cstate; - u32 ctrl, duty, period, val; + u32 ctrl, duty = 0, period = 0, val; int ret; - unsigned int delay_us, prescaler; + unsigned int delay_us, prescaler = 0; unsigned long now; bool bypass; -- 2.24.1