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Subject[PATCH 4.6 64/96] clk: at91: fix clk_programmable_set_parent()
Date
4.6-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Boris Brezillon <boris.brezillon@free-electrons.com>

commit f96423f483b1a7854270335b319e8d1cdd6f3585 upstream.

Since commit 1bdf02326b71e ("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: 1bdf02326b71e ("clk: at91: make use of syscon/regmap internally")
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
Link: lkml.kernel.org/r/1468828152-18389-1-git-send-email-boris.brezillon@free-electrons.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
drivers/clk/at91/clk-programmable.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/clk/at91/clk-programmable.c
+++ b/drivers/clk/at91/clk-programmable.c
@@ -99,7 +99,7 @@ static int clk_programmable_set_parent(s
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;

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