MIPS: JZ4740: Call jz4740_clock_init earlier

Call jz4740_clock_init before any uses of jz4740_clock_bdata occur. This
is in preparation for replacing uses of that struct with calls to
clk_get_rate, which will allow the clocks to be migrated towards common
clock framework & devicetree.
Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Cc: Lars-Peter Clausen <lars@metafoo.de>
Cc: linux-mips@linux-mips.org
Cc: Deng-Cheng Zhu <dengcheng.zhu@imgtec.com>
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/10148/Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/include/asm/mach-jz4740/clock.h

@@ -20,6 +20,8 @@ enum jz4740_wait_mode {
 	JZ4740_WAIT_MODE_SLEEP,
 };
 
+int jz4740_clock_init(void);
+
 void jz4740_clock_set_wait_mode(enum jz4740_wait_mode mode);
 
 void jz4740_clock_udc_enable_auto_suspend(void);

arch/mips/jz4740/clock.c

@@ -889,7 +889,7 @@ void jz4740_clock_resume(void)
 		JZ_CLOCK_GATE_TCU | JZ_CLOCK_GATE_DMAC | JZ_CLOCK_GATE_UART0);
 }
 
-static int jz4740_clock_init(void)
+int jz4740_clock_init(void)
 {
 	uint32_t val;
 
@@ -921,4 +921,3 @@ static int jz4740_clock_init(void)
 
 	return 0;
 }
-arch_initcall(jz4740_clock_init);

arch/mips/jz4740/time.c

@@ -20,6 +20,7 @@
 #include <linux/clockchips.h>
 #include <linux/sched_clock.h>
 
+#include <asm/mach-jz4740/clock.h>
 #include <asm/mach-jz4740/irq.h>
 #include <asm/mach-jz4740/timer.h>
 #include <asm/time.h>
@@ -115,6 +116,7 @@ void __init plat_time_init(void)
 	uint32_t clk_rate;
 	uint16_t ctrl;
 
+	jz4740_clock_init();
 	jz4740_timer_init();
 
 	clk_rate = jz4740_clock_bdata.ext_rate >> 4;