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This V2 patchset - includes usb driver changes(patch 2,3) to give people a full picture on how it is used. - Rebased next-20250729 to resolve conflicts To i.MX95, USB2 and USB3 are in HSIOMIX, but there is always on logic to make USB2 and USB3 has wakeup capability when HSIOMIX power domain is in off state. Otherwise the HSIOMIX will be kept on when USB2 and USB3 are configured to be wakeup source and Linux suspended. With this patchset, HSIOMIX could be powered off and Linux could still be woke up by USB hotplug event. Patch 1 introduces device_set/get_out_band_wakeup Patch 2 and 3 are drivers changes to use device_set_out_band_wakeup [1]https://lore.kernel.org/linux-pm/20250311083239.3336439-1-peng.fan@oss.nxp.com/ More old discussions: https://lore.kernel.org/linux-pm/20250311083239.3336439-1-peng.fan@oss.nxp.com/ Signed-off-by: Peng Fan --- Changes in v3: - Add a new patch from Xu Yang to detach power domain for ci hdrc - Add A-b for patch 4 - Link to v2: https://lore.kernel.org/r/20250801-pm-v2-0-97c8fb2a433c@nxp.com --- Peng Fan (3): pmdomain: core: Introduce device_set/get_out_band_wakeup() usb: chipidea: ci_hdrc_imx: Set out of band wakeup for i.MX95 usb: dwc3: imx8mp: Set out of band wakeup for i.MX95 Xu Yang (1): usb: chipidea: core: detach power domain for ci_hdrc platform device drivers/pmdomain/core.c | 6 ++++-- drivers/usb/chipidea/ci_hdrc_imx.c | 8 ++++++++ drivers/usb/chipidea/core.c | 3 +++ drivers/usb/dwc3/dwc3-imx8mp.c | 4 ++++ include/linux/pm.h | 1 + include/linux/pm_wakeup.h | 17 +++++++++++++++++ include/linux/usb/chipidea.h | 1 + 7 files changed, 38 insertions(+), 2 deletions(-) --- base-commit: 1b09efec32046a9c78cfecc46a26b1b139a3e8a8 change-id: 20250729-pm-243ff7097e44 Best regards, -- Peng Fan