[PATCH 5.4 44/60] clk: sunxi-ng: mp: fix parent rate change flag check

From: Greg Kroah-Hartman
Date: Mon Feb 15 2021 - 10:54:41 EST


From: Jernej Skrabec <jernej.skrabec@xxxxxxxx>

[ Upstream commit 245090ab2636c0869527ce563afbfb8aff29e825 ]

CLK_SET_RATE_PARENT flag is checked on parent clock instead of current
one. Fix that.

Fixes: 3f790433c3cb ("clk: sunxi-ng: Adjust MP clock parent rate when allowed")
Reviewed-by: Chen-Yu Tsai <wens@xxxxxxxx>
Tested-by: Andre Heider <a.heider@xxxxxxxxx>
Signed-off-by: Jernej Skrabec <jernej.skrabec@xxxxxxxx>
Link: https://lore.kernel.org/r/20210209175900.7092-2-jernej.skrabec@xxxxxxxx
Acked-by: Maxime Ripard <mripard@xxxxxxxxxx>
Signed-off-by: Stephen Boyd <sboyd@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/clk/sunxi-ng/ccu_mp.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/clk/sunxi-ng/ccu_mp.c b/drivers/clk/sunxi-ng/ccu_mp.c
index fa4ecb9155909..9d3a76604d94c 100644
--- a/drivers/clk/sunxi-ng/ccu_mp.c
+++ b/drivers/clk/sunxi-ng/ccu_mp.c
@@ -108,7 +108,7 @@ static unsigned long ccu_mp_round_rate(struct ccu_mux_internal *mux,
max_m = cmp->m.max ?: 1 << cmp->m.width;
max_p = cmp->p.max ?: 1 << ((1 << cmp->p.width) - 1);

- if (!(clk_hw_get_flags(hw) & CLK_SET_RATE_PARENT)) {
+ if (!clk_hw_can_set_rate_parent(&cmp->common.hw)) {
ccu_mp_find_best(*parent_rate, rate, max_m, max_p, &m, &p);
rate = *parent_rate / p / m;
} else {
--
2.27.0