]> git.ipfire.org Git - thirdparty/kernel/stable.git/commitdiff
clk: renesas: rzv2h: Fix missing CLK_SET_RATE_PARENT flag for ddiv clocks
authorLad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Mon, 9 Jun 2025 14:03:41 +0000 (15:03 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 15 Aug 2025 14:38:57 +0000 (16:38 +0200)
[ Upstream commit 715676d8418062f54d746451294ccce9786c1734 ]

Commit bc4d25fdfadf ("clk: renesas: rzv2h: Add support for dynamic
switching divider clocks") missed setting the `CLK_SET_RATE_PARENT`
flag when registering ddiv clocks.

Without this flag, rate changes to the divider clock do not propagate
to its parent, potentially resulting in incorrect clock configurations.

Fix this by setting `CLK_SET_RATE_PARENT` in the clock init data.

Fixes: bc4d25fdfadfa ("clk: renesas: rzv2h: Add support for dynamic switching divider clocks")
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/20250609140341.235919-1-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/clk/renesas/rzv2h-cpg.c

index bcc496e8cbcda3d0c640c2400f2ebb849a280f62..fb39e6446b269af1a0adf802e41fe91eca8404da 100644 (file)
@@ -381,6 +381,7 @@ rzv2h_cpg_ddiv_clk_register(const struct cpg_core_clk *core,
                init.ops = &rzv2h_ddiv_clk_divider_ops;
        init.parent_names = &parent_name;
        init.num_parents = 1;
+       init.flags = CLK_SET_RATE_PARENT;
 
        ddiv->priv = priv;
        ddiv->mon = cfg_ddiv.monbit;