From 6357c2cd05e167f885edd784254da59e311197bd Mon Sep 17 00:00:00 2001 From: =?utf8?q?Uwe=20Kleine-K=C3=B6nig?= Date: Wed, 14 Feb 2024 10:30:53 +0100 Subject: [PATCH] pwm: ab8500: Make use of devm_pwmchip_alloc() function MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit This prepares the pwm-ab8500 driver to further changes of the pwm core outlined in the commit introducing devm_pwmchip_alloc(). There is no intended semantical change and the driver should behave as before. Link: https://lore.kernel.org/r/9c952baafe7e53c482adf23215138724b61e376b.1707900770.git.u.kleine-koenig@pengutronix.de Signed-off-by: Uwe Kleine-König --- drivers/pwm/pwm-ab8500.c | 14 ++++++-------- 1 file changed, 6 insertions(+), 8 deletions(-) diff --git a/drivers/pwm/pwm-ab8500.c b/drivers/pwm/pwm-ab8500.c index 9043e5643f44e..f000adab85b00 100644 --- a/drivers/pwm/pwm-ab8500.c +++ b/drivers/pwm/pwm-ab8500.c @@ -24,13 +24,12 @@ #define AB8500_PWM_CLKRATE 9600000 struct ab8500_pwm_chip { - struct pwm_chip chip; unsigned int hwid; }; static struct ab8500_pwm_chip *ab8500_pwm_from_chip(struct pwm_chip *chip) { - return container_of(chip, struct ab8500_pwm_chip, chip); + return pwmchip_get_drvdata(chip); } static int ab8500_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm, @@ -196,14 +195,13 @@ static int ab8500_pwm_probe(struct platform_device *pdev) * Nothing to be done in probe, this is required to get the * device which is required for ab8500 read and write */ - ab8500 = devm_kzalloc(&pdev->dev, sizeof(*ab8500), GFP_KERNEL); - if (ab8500 == NULL) - return -ENOMEM; + chip = devm_pwmchip_alloc(&pdev->dev, 1, sizeof(*ab8500)); + if (IS_ERR(chip)) + return PTR_ERR(chip); + + ab8500 = ab8500_pwm_from_chip(chip); - chip = &ab8500->chip; - chip->dev = &pdev->dev; chip->ops = &ab8500_pwm_ops; - chip->npwm = 1; ab8500->hwid = pdev->id - 1; err = devm_pwmchip_add(&pdev->dev, chip); -- 2.30.2