[PATCH v9 01/10] clk: fix initial state of critical clock's parents

Erin Lo
2016-06-22T07:40:20Z

From: James Liao <jamesjj.liao@mediatek.com>

This patch fixed wrong state of parent clocks if they are registered
after critical clocks.

Signed-off-by: James Liao <jamesjj.liao@mediatek.com>
Signed-off-by: Erin Lo <erin.lo@mediatek.com>
---
drivers/clk/clk.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index d584004..e9f5f89 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -2388,8 +2388,15 @@ static int __clk_core_init(struct clk_core *core)
hlist_for_each_entry_safe(orphan, tmp2, &clk_orphan_list, child_node) {
struct clk_core *parent = __clk_init_parent(orphan);

- if (parent)
+ if (parent) {
clk_core_reparent(orphan, parent);
+
+ if (orphan->prepare_count)
+ clk_core_prepare(parent);
+
+ if (orphan->enable_count)
+ clk_core_enable(parent);
+ }
}

/*
--
1.9.1