lkml.org 
[lkml]   [2016]   [Jun]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH] video: s3c2410fb: Register cpufreq notifier only on S3C24xx
Date
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>
---
drivers/video/fbdev/s3c2410fb.c | 2 +-
drivers/video/fbdev/s3c2410fb.h | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/video/fbdev/s3c2410fb.c b/drivers/video/fbdev/s3c2410fb.c
index 0dd86be36afb..a67e4567e656 100644
--- a/drivers/video/fbdev/s3c2410fb.c
+++ b/drivers/video/fbdev/s3c2410fb.c
@@ -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)
diff --git a/drivers/video/fbdev/s3c2410fb.h b/drivers/video/fbdev/s3c2410fb.h
index 47a17bd23011..cdd11e2f8859 100644
--- a/drivers/video/fbdev/s3c2410fb.h
+++ b/drivers/video/fbdev/s3c2410fb.h
@@ -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

--
1.9.1
\
 
 \ /
  Last update: 2016-06-27 15:21    [W:0.032 / U:0.932 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site