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clk: at91: fix clk_programmable_set_parent()

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Since commit 1bdf02326b ("clk: at91: make use of syscon/regmap
internally"), clk_programmable_set_parent() is always selecting the
first parent (AKA slow_clk), no matter what's passed in the 'index'
parameter.

Fix that by initializing the pckr variable to the index value.

Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Reported-by: Hans Verkuil <hans.verkuil@cisco.com>
Fixes: 1bdf02326b ("clk: at91: make use of syscon/regmap internally")
Cc: <stable@vger.kernel.org>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
Link: lkml.kernel.org/r/1468828152-18389-1-git-send-email-boris.brezillon@free-electrons.com
This commit is contained in:
Boris Brezillon 2016-07-18 09:49:12 +02:00 committed by Michael Turquette
parent 9d69286391
commit f96423f483
1 changed files with 1 additions and 1 deletions
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2
drivers/clk/at91/clk-programmable.c
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@ -99,7 +99,7 @@ static int clk_programmable_set_parent(struct clk_hw *hw, u8 index)
struct clk_programmable *prog = to_clk_programmable(hw);
const struct clk_programmable_layout *layout = prog->layout;
unsigned int mask = layout->css_mask;
unsigned int pckr = 0;
unsigned int pckr = index;
if (layout->have_slck_mck)
mask |= AT91_PMC_CSSMCK_MCK;