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

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[ Upstream commit f6fa75ca912be6021335de63a32aa4d295f3c524 ]

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

Fixes: 541debae0a ("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>
This commit is contained in:
Jerome Brunet 2019-09-24 14:39:52 +02:00 • committed by Greg Kroah-Hartman
commit 93a3eff6fa
1 changed files with 15 additions and 11 deletions
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26
drivers/clk/clk.c
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@ -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);
/*
@ -3344,17 +3359,6 @@ static int __clk_core_init(struct clk_core *core)
core->orphan = true;
}
/*
* 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