[PATCH 4.19 191/280] clk: uniphier: Fix update register for CPU-gear

From: Greg Kroah-Hartman
Date: Fri Mar 22 2019 - 08:07:30 EST


4.19-stable review patch. If anyone has any objections, please let me know.

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

From: Kunihiko Hayashi <hayashi.kunihiko@xxxxxxxxxxxxx>

commit 521282237b9d78b9bff423ec818becd4c95841c2 upstream.

Need to set the update bit in UNIPHIER_CLK_CPUGEAR_UPD to update
the CPU-gear value.

Fixes: d08f1f0d596c ("clk: uniphier: add CPU-gear change (cpufreq) support")
Cc: linux-stable@xxxxxxxxxxxxxxx
Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@xxxxxxxxxxxxx>
Acked-by: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>
Signed-off-by: Stephen Boyd <sboyd@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

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

--- a/drivers/clk/uniphier/clk-uniphier-cpugear.c
+++ b/drivers/clk/uniphier/clk-uniphier-cpugear.c
@@ -47,7 +47,7 @@ static int uniphier_clk_cpugear_set_pare
return ret;

ret = regmap_write_bits(gear->regmap,
- gear->regbase + UNIPHIER_CLK_CPUGEAR_SET,
+ gear->regbase + UNIPHIER_CLK_CPUGEAR_UPD,
UNIPHIER_CLK_CPUGEAR_UPD_BIT,
UNIPHIER_CLK_CPUGEAR_UPD_BIT);
if (ret)