clocksource/drivers/samsung_pwm: Constify passed structure

krzk · dlezcano · commit bb08e96575db · 2021-06-04T10:12:11.000+02:00
The 'struct samsung_pwm_variant' argument passed to initialization functions is not modified, so it can be made const for safety. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Link: https://lore.kernel.org/r/20210506202729.157260-2-krzysztof.kozlowski@canonical.com
diff --git a/drivers/clocksource/samsung_pwm_timer.c b/drivers/clocksource/samsung_pwm_timer.c
@@ -401,7 +401,7 @@ static int __init _samsung_pwm_clocksource_init(void)
 
 void __init samsung_pwm_clocksource_init(void __iomem *base,
 					 unsigned int *irqs,
-					 struct samsung_pwm_variant *variant)
+					 const struct samsung_pwm_variant *variant)
 {
 	pwm.base = base;
 	memcpy(&pwm.variant, variant, sizeof(pwm.variant));
diff --git a/include/clocksource/samsung_pwm.h b/include/clocksource/samsung_pwm.h
@@ -28,6 +28,6 @@ struct samsung_pwm_variant {
 
 void samsung_pwm_clocksource_init(void __iomem *base,
 				  unsigned int *irqs,
-				  struct samsung_pwm_variant *variant);
+				  const struct samsung_pwm_variant *variant);
 
 #endif /* __CLOCKSOURCE_SAMSUNG_PWM_H */

Original file line number	Diff line number	Diff line change
`@@ -401,7 +401,7 @@ static int __init _samsung_pwm_clocksource_init(void)`
`401`	`401`
`402`	`402`	`void __init samsung_pwm_clocksource_init(void __iomem *base,`
`403`	`403`	`unsigned int *irqs,`
`404`		`- struct samsung_pwm_variant *variant)`
	`404`	`+ const struct samsung_pwm_variant *variant)`
`405`	`405`	`{`
`406`	`406`	`pwm.base = base;`
`407`	`407`	`memcpy(&pwm.variant, variant, sizeof(pwm.variant));`