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[ARM] 4986/1: S3C24XX: Simtec machines need UCLK as parent to DCLK

All current Simtec designs source the DCLK outputs from
the UPLL. This means the DCLK's parent must be set to UPLL
so that anything enabling and disabling an UPLL sourced
clock does not shutdown the DCLK due to missing open counts.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Ben Dooks 17 年之前
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d96a980441

+ 2 - 2
arch/arm/mach-s3c2410/mach-bast.c

@@ -592,10 +592,10 @@ static void __init bast_map_io(void)
 {
 	/* initialise the clocks */
 
-	s3c24xx_dclk0.parent = NULL;
+	s3c24xx_dclk0.parent = &clk_upll;
 	s3c24xx_dclk0.rate   = 12*1000*1000;
 
-	s3c24xx_dclk1.parent = NULL;
+	s3c24xx_dclk1.parent = &clk_upll;
 	s3c24xx_dclk1.rate   = 24*1000*1000;
 
 	s3c24xx_clkout0.parent  = &s3c24xx_dclk0;

+ 1 - 1
arch/arm/mach-s3c2410/mach-vr1000.c

@@ -393,7 +393,7 @@ static void __init vr1000_map_io(void)
 {
 	/* initialise clock sources */
 
-	s3c24xx_dclk0.parent = NULL;
+	s3c24xx_dclk0.parent = &clk_upll;
 	s3c24xx_dclk0.rate   = 12*1000*1000;
 
 	s3c24xx_dclk1.parent = NULL;

+ 2 - 2
arch/arm/mach-s3c2440/mach-anubis.c

@@ -413,10 +413,10 @@ static void __init anubis_map_io(void)
 {
 	/* initialise the clocks */
 
-	s3c24xx_dclk0.parent = NULL;
+	s3c24xx_dclk0.parent = &clk_upll;
 	s3c24xx_dclk0.rate   = 12*1000*1000;
 
-	s3c24xx_dclk1.parent = NULL;
+	s3c24xx_dclk1.parent = &clk_upll;
 	s3c24xx_dclk1.rate   = 24*1000*1000;
 
 	s3c24xx_clkout0.parent  = &s3c24xx_dclk0;

+ 3 - 2
arch/arm/mach-s3c2440/mach-osiris.c

@@ -18,6 +18,7 @@
 #include <linux/device.h>
 #include <linux/sysdev.h>
 #include <linux/serial_core.h>
+#include <linux/clk.h>
 
 #include <asm/mach/arch.h>
 #include <asm/mach/map.h>
@@ -344,10 +345,10 @@ static void __init osiris_map_io(void)
 
 	/* initialise the clocks */
 
-	s3c24xx_dclk0.parent = NULL;
+	s3c24xx_dclk0.parent = &clk_upll;
 	s3c24xx_dclk0.rate   = 12*1000*1000;
 
-	s3c24xx_dclk1.parent = NULL;
+	s3c24xx_dclk1.parent = &clk_upll;
 	s3c24xx_dclk1.rate   = 24*1000*1000;
 
 	s3c24xx_clkout0.parent  = &s3c24xx_dclk0;