s3c-fb: CPUFREQ frequency scaling support

Add support for CPU frequency scaling in the S3C24XX video driver.

Signed-off-by: Simtec Linux Team <linux@simtec.co.uk>
Signed-off-by: Ben Dooks <ben@simtec.co.uk>
Cc: Dave Jones <davej@codemonkey.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/video/s3c2410fb.h b/drivers/video/s3c2410fb.h
index 9a6ba3e9d1b8..47a17bd23011 100644
--- a/drivers/video/s3c2410fb.h
+++ b/drivers/video/s3c2410fb.h
@@ -29,8 +29,13 @@ struct s3c2410fb_info {
         enum s3c_drv_type       drv_type;
         struct s3c2410fb_hw     regs;
 
+        unsigned long           clk_rate;
         unsigned int            palette_ready;
 
+#ifdef CONFIG_CPU_FREQ
+        struct notifier_block   freq_transition;
+#endif
+
         /* keep these registers in case we need to re-write palette */
         u32                     palette_buffer[256];
         u32                     pseudo_pal[16];