clk: sunxi-ng: Mark A523 bus-r-cpucfg clock as critical

bus-r-cpucfg clock is important for peripheral which takes care of
powering CPU cores on and off. Since this operation is done by firmware
(TF-A), mark it as critical. That way Linux won't interfere with that
clock.

Fixes: 8cea339 ("clk: sunxi-ng: add support for the A523/T527 PRCM CCU")
Signed-off-by: Jernej Skrabec <[email protected]>
Reviewed-by: Andre Przywara <[email protected]>
Tested-by: Andre Przywara <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Chen-Yu Tsai <[email protected]>

Author: jernejsk

drivers/clk/sunxi-ng/ccu-sun55i-a523-r.c

@@ -125,7 +125,7 @@ static SUNXI_CCU_GATE_HW(bus_r_dma_clk, "bus-r-dma",
 static SUNXI_CCU_GATE_HW(bus_r_rtc_clk, "bus-r-rtc",
 			 &r_apb0_clk.common.hw, 0x20c, BIT(0), 0);
 static SUNXI_CCU_GATE_HW(bus_r_cpucfg_clk, "bus-r-cpucfg",
-			 &r_apb0_clk.common.hw, 0x22c, BIT(0), 0);
+			 &r_apb0_clk.common.hw, 0x22c, BIT(0), CLK_IS_CRITICAL);
 
 static struct ccu_common *sun55i_a523_r_ccu_clks[] = {
 	&r_ahb_clk.common,