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[v2,4/6] clk: sunxi-ng: d1: Mark cpux clock as critical

Message ID 20221231231429.18357-5-samuel@sholland.org (mailing list archive)
State Not Applicable
Headers show
Series clk: sunxi-ng: Allwinner R528/T113 clock support | expand

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Commit Message

Samuel Holland Dec. 31, 2022, 11:14 p.m. UTC 
From: András Szemző <szemzo.andras@gmail.com>

Some SoCs in the D1 family feature ARM CPUs instead of a RISC-V CPU.
In that case, the CPUs are driven from the 'cpux' clock, so it needs
to be marked as critical, since there is no consumer when DVFS is
disabled. This matches the drivers for other SoCs, and the "riscv"
clock in this driver.

Signed-off-by: András Szemző <szemzo.andras@gmail.com>
Acked-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Signed-off-by: Samuel Holland <samuel@sholland.org>
---

Changes in v2:
 - Expand commit message

 drivers/clk/sunxi-ng/ccu-sun20i-d1.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/clk/sunxi-ng/ccu-sun20i-d1.c b/drivers/clk/sunxi-ng/ccu-sun20i-d1.c
index 8ef3cdeb7962..c5a7df93602c 100644
--- a/drivers/clk/sunxi-ng/ccu-sun20i-d1.c
+++ b/drivers/clk/sunxi-ng/ccu-sun20i-d1.c
@@ -240,7 +240,7 @@  static const struct clk_parent_data cpux_parents[] = {
 	{ .hw = &pll_periph0_800M_clk.common.hw },
 };
 static SUNXI_CCU_MUX_DATA(cpux_clk, "cpux", cpux_parents,
-			  0x500, 24, 3, CLK_SET_RATE_PARENT);
+			  0x500, 24, 3, CLK_SET_RATE_PARENT | CLK_IS_CRITICAL);
 
 static const struct clk_hw *cpux_hws[] = { &cpux_clk.common.hw };
 static SUNXI_CCU_M_HWS(cpux_axi_clk, "cpux-axi",