[ARM] S3C: PM save UART UDIVSLOT if doing PM

Add the facility to save the UART UDIVSLOT register if the UART
state is being saved over suspend.

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

1 files changed, 3 insertions, 0 deletions

diff --git a/arch/arm/plat-s3c/include/plat/pm.h b/arch/arm/plat-s3c/include/plat/pm.h
index 3779775133a9..5f8707e2a09c 100644
--- a/arch/arm/plat-s3c/include/plat/pm.h
+++ b/arch/arm/plat-s3c/include/plat/pm.h
@@ -44,6 +44,8 @@ extern void (*pm_cpu_sleep)(void);
 
 extern unsigned long s3c_pm_flags;
 
+extern unsigned char pm_uart_udivslot;  /* true to save UART UDIVSLOT */
+
 /* from sleep.S */
 
 extern int  s3c_cpu_save(unsigned long *saveblk);
@@ -88,6 +90,7 @@ struct pm_uart_save {
         u32     ufcon;
         u32     umcon;
         u32     ubrdiv;
+        u32     udivslot;
 };
 
 /* helper functions to save/restore lists of registers. */