Merge tag 'irq-drivers-2026-08-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull interrupt chip driver updates from Thomas Gleixner:

 - Update the realtek-rtl driver to support multiple interrupt domains
   and remove hardcoded assumptions about the underlying demultiplex
   interrupt

 - Remove the unused IMGPDC driver, which got orphaned when the metag
   architecture was removed long ago.

 - Update the Qualcom PDC interrupt chip driver to support differnent
   versions of the IP block, to properly differentiable between direct
   and GPIO based interrupts and to utilize pass through mode to the
   underlying GIC interrupt.

 - Remove redundant dev_err() and dev_err_probe() invocations in various
   drivers as that error logging has been moved to devm_request_*_irq().

 - Support dynamic MSI-X allocations in the GIC-V3-ITS MSI parent domain
   driver. That's important for VFIO pass through devices to avoid
   reinitialization of the MSI-X space when extending the vector range.
   Such a reinitialization can result is lost interrupts and stale
   devices.

 - Fix a bunch of resource leaks in various driver error paths

 - The usual small improvements all over the place

* tag 'irq-drivers-2026-08-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (21 commits)
  irqchip/gic-v3-its: Fix grammar and replace a bit number with its symbol
  irqchip/gic-v3-its: Prevent leak in its_vpe_irq_domain_alloc()
  irqchip/renesas-irqc: Fix generic interrupt chip leak on remove
  irqchip/gic-v3-its: Enable dynamic MSI-X allocation
  irqchip: Remove redundant dev_err()/dev_err_probe()
  irqchip/gic-v5/iwb: Fix stray verb in comment
  irqchip/qcom-pdc: Fix kernel doc for qcom_pdc_gic_secondary_set_type()
  irqchip/gic-v3-its: Fix its node leak in gic_acpi_parse_madt_its()
  irqchip/gic-v3-its: Fix memleak in its_probe_one()
  irqchip/qcom-pdc: Configure PDC to pass through mode
  irqchip/qcom-pdc: Differentiate between direct SPI and GPIO as SPI
  irqchip/qcom-pdc: Move all static variables to struct pdc_desc
  irqchip/qcom-pdc: Restructure version support
  irqchip/irq-imgpdc: Remove unused driver
  irqchip/irq-realtek-rtl: Activate multiple parents
  irqchip/irq-realtek-rtl: Allow shuffled interrupt order
  irqchip/irq-realtek-rtl: Add a select function
  irqchip/irq-realtek-rtl: Add mask for interrupt handling
  irqchip/irq-realtek-rtl: Add interrupt data structure
  irqchip/irq-realtek-rtl: Split out parent setup code
  ...

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