clk: actually call the clock init before any other callback of the clock

[ Upstream commit f6fa75ca912be6021335de63a32aa4d295f3c524 ]

 __clk_init_parent() will call the .get_parent() callback of the clock
 so .init() must run before.

Fixes: 541debae0adf ("clk: call the clock init() callback before any other ops callback")
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Link: https://lkml.kernel.org/r/20190924123954.31561-2-jbrunet@baylibre.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index 67f592f..b0344a1 100644 (file)
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -3320,6 +3320,21 @@ static int __clk_core_init(struct clk_core *core)
                goto out;
        }
 
+       /*
+        * optional platform-specific magic
+        *
+        * The .init callback is not used by any of the basic clock types, but
+        * exists for weird hardware that must perform initialization magic.
+        * Please consider other ways of solving initialization problems before
+        * using this callback, as its use is discouraged.
+        *
+        * If it exist, this callback should called before any other callback of
+        * the clock
+        */
+       if (core->ops->init)
+               core->ops->init(core->hw);
+
+
        core->parent = __clk_init_parent(core);
 
        /*
@@ -3345,17 +3360,6 @@ static int __clk_core_init(struct clk_core *core)
        }
 
        /*
-        * optional platform-specific magic
-        *
-        * The .init callback is not used by any of the basic clock types, but
-        * exists for weird hardware that must perform initialization magic.
-        * Please consider other ways of solving initialization problems before
-        * using this callback, as its use is discouraged.
-        */
-       if (core->ops->init)
-               core->ops->init(core->hw);
-
-       /*
         * Set clk's accuracy.  The preferred method is to use
         * .recalc_accuracy. For simple clocks and lazy developers the default
         * fallback is to use the parent's accuracy.  If a clock doesn't have a