clk: imx: fix composite peripheral flags

According to RM, for peripheral clock slice,
"IP clock slices must be stopped to change the clock source.".

So we must have CLK_SET_PARENT_GATE flag to avoid glitch.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/drivers/clk/imx/clk-composite-8m.c b/drivers/clk/imx/clk-composite-8m.c
index 78fb7e52a42affb729744bd6ce6a9d253c6a6195..2c309e3dc8e34f85db96f944378814c092b4a73b 100644 (file)
--- a/drivers/clk/imx/clk-composite-8m.c
+++ b/drivers/clk/imx/clk-composite-8m.c
@@ -216,6 +216,7 @@ struct clk_hw *imx8m_clk_hw_composite_flags(const char *name,
                div->width = PCG_PREDIV_WIDTH;
                divider_ops = &imx8m_clk_composite_divider_ops;
                mux_ops = &clk_mux_ops;
+               flags |= CLK_SET_PARENT_GATE;
        }
 
        div->lock = &imx_ccm_lock;