[PATCH v2 08/16] clk: drop the initial core->parents look-ups from __clk_core_init()

From: Masahiro Yamada
Date: Mon Dec 28 2015 - 05:14:43 EST


The core->parents is a cache to save expensive clock parent look-ups.
It will be filled as needed later. We do not have to do it here.

Signed-off-by: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>
---

Changes in v2: None

drivers/clk/clk.c | 11 -----------
1 file changed, 11 deletions(-)

diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index ca7849a..3215b2b 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -2329,17 +2329,6 @@ static int __clk_core_init(struct clk_core *core)
"%s: invalid NULL in %s's .parent_names\n",
__func__, core->name);

- /*
- * clk_core_lookup returns NULL for parents that have not been
- * clk_init'd; thus any access to clk->parents[] must check
- * for a NULL pointer. We can always perform lazy lookups for
- * missing parents later on.
- */
- if (core->parents)
- for (i = 0; i < core->num_parents; i++)
- core->parents[i] =
- clk_core_lookup(core->parent_names[i]);
-
core->parent = __clk_init_parent(core);

/*
--
1.9.1

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