[ARM] CPUFREQ: S3C24XX serial CPU frequency scaling support.

Add support for CPU frequency scalling to the S3C24XX serial
driver.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>

1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/serial/samsung.h b/drivers/serial/samsung.h
index 5c92ebbe7d9e..be263423205d 100644
--- a/drivers/serial/samsung.h
+++ b/drivers/serial/samsung.h
@@ -33,12 +33,18 @@ struct s3c24xx_uart_info {
 struct s3c24xx_uart_port {
         unsigned char                   rx_claimed;
         unsigned char                   tx_claimed;
+        unsigned int                    pm_level;
+        unsigned long                   baudclk_rate;
 
         struct s3c24xx_uart_info        *info;
         struct s3c24xx_uart_clksrc      *clksrc;
         struct clk                      *clk;
         struct clk                      *baudclk;
         struct uart_port                port;
+
+#ifdef CONFIG_CPU_FREQ
+        struct notifier_block           freq_transition;
+#endif
 };
 
 /* conversion functions */