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Any update on this? > >> >> >> Changes in V5: >> >> Re-base on top of v7.0 fixes series: >> https://lore.kernel.org/linux-i3c/20260306072451.11131-1-adrian.hunter@intel.com/T >> >> Changes in V4: >> >> i3c: mipi-i3c-hci: Allow parent to manage runtime PM >> Add Frank's Rev'd-by >> >> i3c: mipi-i3c-hci-pci: Add optional ability to manage child runtime PM >> Add Frank's Rev'd-by >> >> >> Changes in V3: >> >> i3c: master: Mark last_busy on IBI when runtime PM is allowed >> Patch dropped >> >> i3c: mipi-i3c-hci: Add quirk to allow IBI while runtime suspended >> Add Frank's Rev'd-by >> >> i3c: mipi-i3c-hci-pci: Add optional ability to manage child runtime PM >> Remove unnecessary pm_runtime_mark_last_busy() >> >> i3c: mipi-i3c-hci-pci: Enable IBI while runtime suspended for Intel controllers >> Add Frank's Rev'd-by >> >> >> Changes in V2: >> >> i3c: mipi-i3c-hci-pci: Set d3hot_delay to 0 for Intel controllers >> Add Frank's Rev'd-by >> >> i3c: master: Allow controller drivers to select runtime PM device >> Patch dropped >> >> i3c: master: Mark last_busy on IBI when runtime PM is allowed >> Adjusted slightly for earlier changes >> >> i3c: mipi-i3c-hci: Allow parent to manage runtime PM >> For HCI_QUIRK_RPM_PARENT_MANAGED case, change from >> disabling runtime PM to instead causing the runtime PM >> callbacks to do nothing >> >> i3c: mipi-i3c-hci-pci: Add optional ability to manage child runtime PM >> Do not enable autosuspend. >> Callbacks for parent-managed invocation were renamed >> from i3c_hci_runtime_suspend to i3c_hci_rpm_suspend and >> from i3c_hci_runtime_resume to i3c_hci_rpm_resume. >> Amend commit message slightly. >> >> i3c: mipi-i3c-hci-pci: Enable IBI while runtime suspended for Intel controllers >> Retain HCI_QUIRK_RPM_ALLOWED >> Amend commit message accordingly >> >> >> Here are patches related to enabling IBI while runtime suspended for Intel >> controllers. >> >> Intel LPSS I3C controllers can wake from runtime suspend to receive >> in-band interrupts (IBIs). >> >> It is non-trivial to implement because the parent PCI device has 2 I3C bus >> instances (MIPI I3C HCI Multi-Bus Instance capability) represented by >> platform devices with a separate driver, but the IBI-wakeup is shared by >> both, which means runtime PM has to be managed by the parent PCI driver. >> >> To make that work, the PCI driver handles runtime PM, but leverages the >> mipi-i3c-hci platform driver's functionality for saving and restoring >> controller state. >> >> >> Adrian Hunter (5): >> i3c: mipi-i3c-hci-pci: Set d3hot_delay to 0 for Intel controllers >> i3c: mipi-i3c-hci: Add quirk to allow IBI while runtime suspended >> i3c: mipi-i3c-hci: Allow parent to manage runtime PM >> i3c: mipi-i3c-hci-pci: Add optional ability to manage child runtime PM >> i3c: mipi-i3c-hci-pci: Enable IBI while runtime suspended for Intel controllers >> >> drivers/i3c/master/mipi-i3c-hci/core.c | 35 +++++- >> drivers/i3c/master/mipi-i3c-hci/hci.h | 7 ++ >> drivers/i3c/master/mipi-i3c-hci/mipi-i3c-hci-pci.c | 135 +++++++++++++++++++++ >> 3 files changed, 172 insertions(+), 5 deletions(-) >> >> Regards >> Adrian >