pwm: ab8500: Introduce a local pwm_chip variable in .probe()

This simplifies converting the driver to pwmchip_alloc() as there is only
a single code line left that makes use of struct ab8500_pwm_chip::chip.

Link: https://lore.kernel.org/r/7fae4833b97728abc8bd400663fdd331c86a761b.1707900770.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>

diff --git a/drivers/pwm/pwm-ab8500.c b/drivers/pwm/pwm-ab8500.c
index 719e4ccf1800d4317b3074c01252468c437e8cb9..9043e5643f44eecd962bd717a45696283538a63b 100644 (file)
--- a/drivers/pwm/pwm-ab8500.c
+++ b/drivers/pwm/pwm-ab8500.c
@@ -185,6 +185,7 @@ static const struct pwm_ops ab8500_pwm_ops = {
 
 static int ab8500_pwm_probe(struct platform_device *pdev)
 {
+       struct pwm_chip *chip;
        struct ab8500_pwm_chip *ab8500;
        int err;
 
@@ -199,12 +200,13 @@ static int ab8500_pwm_probe(struct platform_device *pdev)
        if (ab8500 == NULL)
                return -ENOMEM;
 
-       ab8500->chip.dev = &pdev->dev;
-       ab8500->chip.ops = &ab8500_pwm_ops;
-       ab8500->chip.npwm = 1;
+       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, &ab8500->chip);
+       err = devm_pwmchip_add(&pdev->dev, chip);
        if (err < 0)
                return dev_err_probe(&pdev->dev, err, "Failed to add pwm chip\n");