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SM8550: deep suspend/resume, continued #3126

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SM8550: deep suspend/resume, continued #3126

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e7a9795
SM8550: add UFS PM relink fixes
jaewun Jul 1, 2026
fbd69ff
SM8550: adjust suspend wake IRQ handling
jaewun Jul 1, 2026
f99415e
SM8550: enable deep suspend policy
jaewun Jul 1, 2026
11a446e
SM8550: broaden TSENS uplow-wake skip to qcom,sm8550
Jun 28, 2026
534199c
SM8550: gate deep suspend to validated devices
Jul 21, 2026
2e3400b
SM8550/Thor: suspend and resume the gamepad MCU across system sleep
jaewun Jul 21, 2026
e355a2b
SM8550/Thor: mask the non-console geni UART irq on suspend
jaewun Jul 21, 2026
31c2b38
SM8550: recover UFS clock-gating hibern8-enter failures
gh123man Aug 5, 2026
0861057
SM8550: hold UFS clock gating across system PM
gh123man Aug 5, 2026
11cee38
SM8550: drop the AYANEO Pocket EVO fan tacho interrupt
jesherman Aug 5, 2026
3b92e60
SM8550: toggle the USB role across suspend for fast resume
Aug 5, 2026
497d864
SM8550: fix suspend wedge from ucsi USB role on charger unplug
aanze Aug 6, 2026
8de83e3
SM8550: keep WiFi reliable across suspend and resume
xiaodoudou Aug 6, 2026
e964b01
SM8550: light the power LED blue around suspend and resume
xiaodoudou Aug 6, 2026
9169c42
SM8550: recover a stale suspend-grace mute at boot
xiaodoudou Aug 22, 2026
1e97c7c
SM8550: rebase the suspend patch series onto kernel 7.2
xiaodoudou Aug 27, 2026
666848c
SM8550: keep ath12k reliable across suspend
xiaodoudou Aug 26, 2026
8e4f118
SM8550: skip the PCIe L2/L3-ready poll after PME_Turn_Off
xiaodoudou Aug 27, 2026
ff05fc0
SM8550: RPMh sleep votes, gamepad rail off in suspend, WAKE# polarity
xiaodoudou Aug 26, 2026
c0a756b
SM8550: route the power key through a platform handler
xiaodoudou Aug 27, 2026
38ae952
SM8550: skip the suspend-grace mute behind an external display
xiaodoudou Aug 27, 2026
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11 changes: 11 additions & 0 deletions projects/ROCKNIX/devices/SM8550/linux/dts/qcom/qcs8550-ayaneo-pocketevo.dts
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Original file line number Diff line number Diff line change
Expand Up @@ -107,3 +107,14 @@
};
};
};

/*
* The tacho interrupt fires about 80 times a second whenever the fan spins and
* repeatedly pulls the SoC back out of deep suspend. Overridden here rather
* than in qcs8550-ayaneo-pocket-common.dtsi, which six other boards include.
* Costs hwmon fan1_input RPM reporting, as on the AYN Odin 3.
*/
&pwm_fan {
/delete-property/ interrupts;
/delete-property/ interrupt-parent;
};
10 changes: 9 additions & 1 deletion projects/ROCKNIX/devices/SM8550/linux/dts/qcom/qcs8550-ayn-common.dtsi
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Original file line number Diff line number Diff line change
Expand Up @@ -598,6 +598,12 @@
regulator-min-microvolt = <2720000>;
regulator-max-microvolt = <3960000>;
regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;

/* Gamepad MCU rail; the rpmh suspend-state patch turns this
* into a SLEEP-set vote so the MCU powers off across suspend. */
regulator-state-mem {
regulator-off-in-suspend;
};
};

vreg_l2b_3p0: ldo2 {
Expand Down Expand Up @@ -1096,7 +1102,9 @@
};

&pcieport0 {
wake-gpios = <&tlmm 96 GPIO_ACTIVE_HIGH>;
/* WAKE# is active-low per PCIe CEM; ACTIVE_HIGH reads as permanently
* asserted, so the WLAN endpoint could never signal wake cleanly. */
wake-gpios = <&tlmm 96 GPIO_ACTIVE_LOW>;
reset-gpios = <&tlmm 94 GPIO_ACTIVE_LOW>;

wifi@0 {
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2 changes: 1 addition & 1 deletion projects/ROCKNIX/devices/SM8550/options
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Original file line number Diff line number Diff line change
Expand Up @@ -28,7 +28,7 @@
KERNEL_MAKE_EXTRACMD=" $(get_kernel_make_extracmd)"

# Kernel cmdline
EXTRA_CMDLINE="quiet rootwait console=tty0 allow_mismatched_32bit_el0 fw_devlink.strict=1 pcie_ports=compat irqaffinity=0-2 cgroup.memory=nokmem,nosocket nosoftlockup usbcore.interrupt_interval_override=045e:028e:2"
EXTRA_CMDLINE="quiet rootwait console=tty0 allow_mismatched_32bit_el0 fw_devlink.strict=1 pcie_ports=compat irqaffinity=0-2 cgroup.memory=nokmem,nosocket nosoftlockup usbcore.interrupt_interval_override=045e:028e:2 ufshcd_core.uic_cmd_timeout=3000 mem_sleep_default=deep"

# Bootloader to use (syslinux / u-boot)
BOOTLOADER="qcom-abl"
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