[U-Boot] [PATCH 2/5] ARM: lib: Add cpu_clock_teardown() call

[Marek Vasut]

Add cpu_clock_teardown() call before the Linux kernel is started,
so the CPU code can stop clock that may hinder the Linux's boot.

Signed-off-by: Marek Vasut <marex at denx.de>
Cc: Albert Aribaud <albert.u.boot at aribaud.net>
Cc: Stefano Babic <sbabic at denx.de>
---
 arch/arm/cpu/armv7/cpu.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm/cpu/armv7/cpu.c b/arch/arm/cpu/armv7/cpu.c
index 01cdb7e..75f8a33 100644
--- a/arch/arm/cpu/armv7/cpu.c
+++ b/arch/arm/cpu/armv7/cpu.c
@@ -23,6 +23,7 @@
 #include <linux/compiler.h>
 
 void __weak cpu_cache_initialization(void){}
+void __weak cpu_clock_teardown(void) {}
 
 int cleanup_before_linux(void)
 {
@@ -66,5 +67,8 @@ int cleanup_before_linux(void)
 	 */
 	cpu_cache_initialization();
 
+	/* Let CPUs stop clock that might hinder Linux's boot. */
+	cpu_clock_teardown();
+
 	return 0;
 }
-- 
1.8.4.rc3