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video: s3c2410fb: Register cpufreq notifier only on S3C24xx

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The driver registered for CPU frequency transitions to recalculate its
clock when ARM clock frequency changes (ratio between frequencies of
ARM's parent clock (fclk) and clock for peripherals remains fixed).

This is needed only on S3C24xx platform when cpufreq driver is enabled
so limit the ifdef to respective cpufreq Kconfig.

Suggested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
This commit is contained in:
Krzysztof Kozlowski 2016-06-27 14:52:25 +02:00 committed by Tomi Valkeinen
parent 6b610e004b
commit 7d4a8088f6
2 changed files with 2 additions and 2 deletions
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2
drivers/video/fbdev/s3c2410fb.c
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@ -767,7 +767,7 @@ static irqreturn_t s3c2410fb_irq(int irq, void *dev_id)
return IRQ_HANDLED;
}
#ifdef CONFIG_CPU_FREQ
#ifdef CONFIG_ARM_S3C24XX_CPUFREQ
static int s3c2410fb_cpufreq_transition(struct notifier_block *nb,
unsigned long val, void *data)

2
drivers/video/fbdev/s3c2410fb.h
View file

@ -32,7 +32,7 @@ struct s3c2410fb_info {
unsigned long clk_rate;
unsigned int palette_ready;
#ifdef CONFIG_CPU_FREQ
#ifdef CONFIG_ARM_S3C24XX_CPUFREQ
struct notifier_block freq_transition;
#endif