clk: imx93: keep sys ctr clock always on

Keep sys ctr clock always on to make sure its register
can be accessed for cpuidle.

Reviewed-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Jacky Bai <ping.bai@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Abel Vesa <abel.vesa@linaro.org>
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Link: https://lore.kernel.org/r/20221028095211.2598312-7-peng.fan@oss.nxp.com

diff --git a/drivers/clk/imx/clk-imx93.c b/drivers/clk/imx/clk-imx93.c
index 20cedff8b0a62e5d8b27c0790a0a9d0d9a2140cd..5bd06ebd68265a7788c148bdea5f67e7ceb8d373 100644 (file)
--- a/drivers/clk/imx/clk-imx93.c
+++ b/drivers/clk/imx/clk-imx93.c
@@ -242,7 +242,8 @@ static const struct imx93_clk_ccgr {
        { IMX93_CLK_HSIO_32K_GATE,      "hsio_32k",     "osc_32k",              0x9dc0, },
        { IMX93_CLK_ENET1_GATE,         "enet1",        "wakeup_axi_root",      0x9e00, },
        { IMX93_CLK_ENET_QOS_GATE,      "enet_qos",     "wakeup_axi_root",      0x9e40, },
-       { IMX93_CLK_SYS_CNT_GATE,       "sys_cnt",      "osc_24m",              0x9e80, },
+       /* Critical because clk accessed during CPU idle */
+       { IMX93_CLK_SYS_CNT_GATE,       "sys_cnt",      "osc_24m",              0x9e80, CLK_IS_CRITICAL},
        { IMX93_CLK_TSTMR1_GATE,        "tstmr1",       "bus_aon_root",         0x9ec0, },
        { IMX93_CLK_TSTMR2_GATE,        "tstmr2",       "bus_wakeup_root",      0x9f00, },
        { IMX93_CLK_TMC_GATE,           "tmc",          "osc_24m",              0x9f40, },