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charset="utf-8" From: Jacky Bai During Linux System suspend/resume stress test after System Sleep enabled, system will stuck sometimes. It is because NICMIX is powered down, which HSIOMIX(always on) is not powered down. When NICMIX powering down, HSIOMIX will get a hardware handshake, without HSIO ROOT clk, the handshake will lose. Then after NICMIX power on when system resume, the access to HSIOMIX through NICMIX would be broken. So keep HSIO ROOT always on. Reviewed-by: Peng Fan Signed-off-by: Jacky Bai [Peng Fan] rewrite commit message Signed-off-by: Peng Fan --- drivers/clk/imx/clk-imx93.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/clk/imx/clk-imx93.c b/drivers/clk/imx/clk-imx93.c index 422ad3c89845..74e8d810db7f 100644 --- a/drivers/clk/imx/clk-imx93.c +++ b/drivers/clk/imx/clk-imx93.c @@ -109,7 +109,7 @@ static const struct imx93_clk_root { { IMX93_CLK_CCM_CKO2, "ccm_cko2_root", 0x1d00, CKO2_SEL, }, { IMX93_CLK_CCM_CKO3, "ccm_cko3_root", 0x1d80, CKO1_SEL, }, { IMX93_CLK_CCM_CKO4, "ccm_cko4_root", 0x1e00, CKO2_SEL, }, - { IMX93_CLK_HSIO, "hsio_root", 0x1e80, LOW_SPEED_IO_SEL, }, + { IMX93_CLK_HSIO, "hsio_root", 0x1e80, LOW_SPEED_IO_SEL, CLK_IS_CRITICA= L}, { IMX93_CLK_HSIO_USB_TEST_60M, "hsio_usb_test_60m_root", 0x1f00, LOW_SPEE= D_IO_SEL, }, { IMX93_CLK_HSIO_ACSCAN_80M, "hsio_acscan_80m_root", 0x1f80, LOW_SPEED_IO= _SEL, }, { IMX93_CLK_HSIO_ACSCAN_480M, "hsio_acscan_480m_root", 0x2000, MISC_SEL, = }, --=20 2.37.1