Merge tag 'pci-v6.9-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
[linux-2.6-microblaze.git] / drivers / pwm / pwm-ab8500.c
index 719e4cc..f000ada 100644 (file)
 #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,
@@ -185,6 +184,7 @@ 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;
 
@@ -195,16 +195,16 @@ 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->chip.dev = &pdev->dev;
-       ab8500->chip.ops = &ab8500_pwm_ops;
-       ab8500->chip.npwm = 1;
+       ab8500 = ab8500_pwm_from_chip(chip);
+
+       chip->ops = &ab8500_pwm_ops;
        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");