scsi/qla4xxx: Convert to SPDX license identifiers

[linux-2.6-microblaze.git] / drivers / pwm / pwm-iqs620a.c

diff --git a/drivers/pwm/pwm-iqs620a.c b/drivers/pwm/pwm-iqs620a.c
index 674f0e2..7d33e36 100644 (file)
--- a/drivers/pwm/pwm-iqs620a.c
+++ b/drivers/pwm/pwm-iqs620a.c
@@ -25,10 +25,10 @@
 #include <linux/regmap.h>
 #include <linux/slab.h>
 
-#define IQS620_PWR_SETTINGS                    0xD2
+#define IQS620_PWR_SETTINGS                    0xd2
 #define IQS620_PWR_SETTINGS_PWM_OUT            BIT(7)
 
-#define IQS620_PWM_DUTY_CYCLE                  0xD8
+#define IQS620_PWM_DUTY_CYCLE                  0xd8
 
 #define IQS620_PWM_PERIOD_NS                   1000000
 
@@ -46,7 +46,8 @@ static int iqs620_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm,
 {
        struct iqs620_pwm_private *iqs620_pwm;
        struct iqs62x_core *iqs62x;
-       int duty_scale, ret;
+       u64 duty_scale;
+       int ret;
 
        if (state->polarity != PWM_POLARITY_NORMAL)
                return -ENOTSUPP;
@@ -69,7 +70,7 @@ static int iqs620_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm,
         * For lower duty cycles (e.g. 0), the PWM output is simply disabled to
         * allow an external pull-down resistor to hold the GPIO3/LTX pin low.
         */
-       duty_scale = state->duty_cycle * 256 / IQS620_PWM_PERIOD_NS;
+       duty_scale = div_u64(state->duty_cycle * 256, IQS620_PWM_PERIOD_NS);
 
        mutex_lock(&iqs620_pwm->lock);
 
@@ -81,7 +82,7 @@ static int iqs620_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm,
        }
 
        if (duty_scale) {
-               u8 duty_val = min(duty_scale - 1, 0xFF);
+               u8 duty_val = min_t(u64, duty_scale - 1, 0xff);
 
                ret = regmap_write(iqs62x->regmap, IQS620_PWM_DUTY_CYCLE,
                                   duty_val);
@@ -93,7 +94,7 @@ static int iqs620_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm,
 
        if (state->enabled && duty_scale) {
                ret = regmap_update_bits(iqs62x->regmap, IQS620_PWR_SETTINGS,
-                                        IQS620_PWR_SETTINGS_PWM_OUT, 0xFF);
+                                        IQS620_PWR_SETTINGS_PWM_OUT, 0xff);
                if (ret)
                        goto err_mutex;
        }
@@ -159,7 +160,7 @@ static int iqs620_pwm_notifier(struct notifier_block *notifier,
 
        ret = regmap_update_bits(iqs62x->regmap, IQS620_PWR_SETTINGS,
                                 IQS620_PWR_SETTINGS_PWM_OUT,
-                                iqs620_pwm->out_en ? 0xFF : 0);
+                                iqs620_pwm->out_en ? 0xff : 0);
 
 err_mutex:
        mutex_unlock(&iqs620_pwm->lock);