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Merge tag 'pmdomain-v6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm

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Pull pmdomain updates from Ulf Hansson:
 "pmdomain core:
   - Allow power-off for out-of-band wakeup-capable devices
   - Drop the redundant call to dev_pm_domain_detach() for the amba bus
   - Extend the genpd governor for CPUs to account for IPIs

  pmdomain providers:
   - bcm: Add support for BCM2712
   - mediatek: Add support for MFlexGraphics power domains
   - mediatek: Add support for MT8196 power domains
   - qcom: Add RPMh power domain support for Kaanapali
   - rockchip: Add support for RV1126B

  pmdomain consumers:
   - usb: dwc3: Enable out of band wakeup for i.MX95
   - usb: chipidea: Enable out of band wakeup for i.MX95"

* tag 'pmdomain-v6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm: (26 commits)
  pmdomain: Extend the genpd governor for CPUs to account for IPIs
  smp: Introduce a helper function to check for pending IPIs
  pmdomain: mediatek: convert from clk round_rate() to determine_rate()
  amba: bus: Drop dev_pm_domain_detach() call
  pmdomain: bcm: bcm2835-power: Prepare to support BCM2712
  pmdomain: mediatek: mtk-mfg: select MAILBOX in Kconfig
  pmdomain: mediatek: Add support for MFlexGraphics
  pmdomain: mediatek: Fix build-errors
  cpuidle: psci: Replace deprecated strcpy in psci_idle_init_cpu
  pmdomain: rockchip: Add support for RV1126B
  pmdomain: mediatek: Add support for MT8196 HFRPSYS power domains
  pmdomain: mediatek: Add support for MT8196 SCPSYS power domains
  pmdomain: mediatek: Add support for secure HWCCF infra power on
  pmdomain: mediatek: Add support for Hardware Voter power domains
  pmdomain: qcom: rpmhpd: Add RPMh power domain support for Kaanapali
  usb: dwc3: imx8mp: Set out of band wakeup for i.MX95
  usb: chipidea: ci_hdrc_imx: Set out of band wakeup for i.MX95
  usb: chipidea: core: detach power domain for ci_hdrc platform device
  pmdomain: core: Allow power-off for out-of-band wakeup-capable devices
  PM: wakeup: Add out-of-band system wakeup support for devices
  ...
This commit is contained in:
Linus Torvalds
2025-12-04 13:50:39 -08:00
parent 500920fa76 1f67707faf
commit 52206f82d9
30 changed files with 2417 additions and 60 deletions
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22
kernel/smp.c
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@@ -1087,6 +1087,28 @@ void wake_up_all_idle_cpus(void)
}
EXPORT_SYMBOL_GPL(wake_up_all_idle_cpus);
/**
* cpus_peek_for_pending_ipi - Check for pending IPI for CPUs
* @mask: The CPU mask for the CPUs to check.
*
* This function walks through the @mask to check if there are any pending IPIs
* scheduled, for any of the CPUs in the @mask. It does not guarantee
* correctness as it only provides a racy snapshot.
*
* Returns true if there is a pending IPI scheduled and false otherwise.
*/
bool cpus_peek_for_pending_ipi(const struct cpumask *mask)
{
unsigned int cpu;
for_each_cpu(cpu, mask) {
if (!llist_empty(per_cpu_ptr(&call_single_queue, cpu)))
return true;
}
return false;
}
/**
* struct smp_call_on_cpu_struct - Call a function on a specific CPU
* @work: &work_struct