openwrt-xburst/target/linux/cns3xxx/patches-3.3/015-clkdev_support.patch

--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -368,6 +368,7 @@ config ARCH_CNS3XXX
 	select CPU_V6K
 	select GENERIC_CLOCKEVENTS
 	select ARM_GIC
+	select CLKDEV_LOOKUP
 	select MIGHT_HAVE_CACHE_L2X0
 	select MIGHT_HAVE_PCI
 	select PCI_DOMAINS if PCI
--- a/arch/arm/mach-cns3xxx/core.c
+++ b/arch/arm/mach-cns3xxx/core.c
@@ -9,8 +9,11 @@
  */
 
 #include <linux/init.h>
+#include <linux/export.h>
 #include <linux/interrupt.h>
 #include <linux/clockchips.h>
+#include <linux/clk.h>
+#include <linux/clkdev.h>
 #include <linux/io.h>
 #include <asm/mach/map.h>
 #include <asm/mach/time.h>
@@ -20,6 +23,10 @@
 #include <mach/cns3xxx.h>
 #include "core.h"
 
+struct clk {
+	unsigned long	rate;
+};
+
 static struct map_desc cns3xxx_io_desc[] __initdata = {
 	{
 		.virtual	= CNS3XXX_TC11MP_TWD_BASE_VIRT,
@@ -277,3 +284,33 @@ void __init cns3xxx_l2x0_init(void)
 }
 
 #endif /* CONFIG_CACHE_L2X0 */
+
+int clk_enable(struct clk *clk)
+{
+	return 0;
+}
+EXPORT_SYMBOL(clk_enable);
+
+void clk_disable(struct clk *clk)
+{
+}
+EXPORT_SYMBOL(clk_disable);
+
+unsigned long clk_get_rate(struct clk *clk)
+{
+	return clk->rate;
+}
+EXPORT_SYMBOL(clk_get_rate);
+
+static struct clk_lookup cns3xxx_clocks[] = {
+	{
+		/* TODO */
+	},
+};
+
+int __init cns3xxx_clocks_init(void)
+{
+	clkdev_add_table(cns3xxx_clocks, ARRAY_SIZE(cns3xxx_clocks));
+	return 0;
+}
+postcore_initcall(cns3xxx_clocks_init);