clk: rockchip: add critical clock for rk3368

Again a result of the gpio-clock-liberation the rk3368 needs the
pclk_pd_pmu marked as critical, to boot successfully.

Reported-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Tested-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>

diff --git a/drivers/clk/rockchip/clk-rk3368.c b/drivers/clk/rockchip/clk-rk3368.c
index 9c5d61e698ef027fc129ab38a05d868e083b9407..7e6b783e6eee54c0fa53a85d664b5d2ddae6f819 100644 (file)
--- a/drivers/clk/rockchip/clk-rk3368.c
+++ b/drivers/clk/rockchip/clk-rk3368.c
@@ -818,6 +818,10 @@ static struct rockchip_clk_branch rk3368_clk_branches[] __initdata = {
        GATE(0, "sclk_timer00", "xin24m", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(24), 0, GFLAGS),
 };
 
+static const char *const rk3368_critical_clocks[] __initconst = {
+       "pclk_pd_pmu",
+};
+
 static void __init rk3368_clk_init(struct device_node *np)
 {
        void __iomem *reg_base;
@@ -862,6 +866,8 @@ static void __init rk3368_clk_init(struct device_node *np)
                                   RK3368_GRF_SOC_STATUS0);
        rockchip_clk_register_branches(rk3368_clk_branches,
                                  ARRAY_SIZE(rk3368_clk_branches));
+       rockchip_clk_protect_critical(rk3368_critical_clocks,
+                                     ARRAY_SIZE(rk3368_critical_clocks));
 
        rockchip_clk_register_armclk(ARMCLKB, "armclkb",
                        mux_armclkb_p, ARRAY_SIZE(mux_armclkb_p),