Bjorn Helgaas 70e8b40176 PCI: pciehp: Return IRQ_NONE when we can't read interrupt status ... After 1469d17dd3 ("PCI: pciehp: Handle invalid data when reading from non-existent devices"), we returned IRQ_HANDLED when we failed to read interrupt status from the bridge. I think it's better to return IRQ_NONE, as we do in other cases where there's no interrupt pending. This will facilitate refactoring the loop in pcie_isr(): we'll be able to call the ISR in a loop as long as it returns IRQ_HANDLED. Return IRQ_NONE if we couldn't read interrupt status. Tested-by: Lukas Wunner <lukas@wunner.de> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>		2016-09-14 14:24:25 -05:00
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host	Merge branches 'pci/host-aardvark', 'pci/host-altera', 'pci/host-dra7xx', 'pci/host-hv', 'pci/host-vmd' and 'pci/host-xilinx' into next	2016-08-01 12:32:13 -05:00
hotplug	PCI: pciehp: Return IRQ_NONE when we can't read interrupt status	2016-09-14 14:24:25 -05:00
pcie	Merge branches 'pci/aspm', 'pci/dpc', 'pci/hotplug', 'pci/misc', 'pci/msi', 'pci/pm' and 'pci/virtualization' into next	2016-08-01 12:23:31 -05:00
access.c	PCI: Add pci_set_vpd_size() to set VPD size	2016-04-15 13:00:11 -05:00
ats.c	PCI: Remove pci_ats_enabled()	2015-08-13 15:59:59 -05:00
bus.c	Merge branches 'pci/demodularize-hosts' and 'pci/host-request-windows' into next	2016-08-01 12:23:57 -05:00
ecam.c	tree-wide: replace config_enabled() with IS_ENABLED()	2016-08-04 08:50:07 -04:00
host-bridge.c	Merge branch 'pci/misc' into next	2015-04-10 08:27:18 -05:00
hotplug-pci.c
htirq.c	x86/htirq: Use hierarchical irqdomain to manage Hypertransport interrupts	2015-04-24 15:36:50 +02:00
iov.c	powerpc updates for 4.6	2016-03-19 15:38:41 -07:00
irq.c
Kconfig	PCI/MSI: irqchip: Fix PCI_MSI dependencies	2016-06-15 15:47:33 -05:00
Makefile	x86/platform/intel-mid: Add Power Management Unit driver	2016-06-15 10:10:49 +02:00
msi.c	PCI: Spread interrupt vectors in pci_alloc_irq_vectors()	2016-07-21 15:57:03 -05:00
of.c	PCI/MSI: Use of_msi_get_domain instead of open-coded "msi-parent" parsing	2015-10-16 13:07:14 +01:00
pci-acpi.c	Power management and ACPI updates for v4.5-rc1	2016-01-12 20:25:09 -08:00
pci-driver.c	PCI: Put PCIe ports into D3 during suspend	2016-06-13 14:57:36 -05:00
pci-label.c	PCI: Fix broken URL for Dell biosdevname	2016-02-29 12:03:19 -06:00
pci-mid.c	x86/platform/intel-mid: Add Power Management Unit driver	2016-06-15 10:10:49 +02:00
pci-stub.c	PCI: Whitespace cleanup	2014-06-10 20:20:19 -06:00
pci-sysfs.c	PCI: Put PCIe ports into D3 during suspend	2016-06-13 14:57:36 -05:00
pci.c	PCI changes for the v4.8 merge window:	2016-08-02 17:12:29 -04:00
pci.h	PCI: Put PCIe ports into D3 during suspend	2016-06-13 14:57:36 -05:00
probe.c	Merge branches 'pci/aspm', 'pci/dpc', 'pci/hotplug', 'pci/misc', 'pci/msi', 'pci/pm' and 'pci/virtualization' into next	2016-08-01 12:23:31 -05:00
proc.c	PCI: Ignore write combining when mapping I/O port space	2016-06-17 14:43:33 -05:00
quirks.c	PCI: Add ACS quirk for Solarflare SFC9220	2016-07-29 17:28:24 -05:00
remove.c	PCI: Put PCIe ports into D3 during suspend	2016-06-13 14:57:36 -05:00
rom.c	PCI: Remove unused IORESOURCE_ROM_COPY and IORESOURCE_ROM_BIOS_COPY	2016-03-12 06:00:29 -06:00
search.c	PCI: Add support for multiple DMA aliases	2016-04-11 14:34:32 -05:00
setup-bus.c	PCI changes for the v4.8 merge window:	2016-08-02 17:12:29 -04:00
setup-irq.c	PCI: Export symbols required for loadable host driver modules	2015-04-08 14:17:10 -05:00
setup-res.c	PCI: Don't assign or reassign immutable resources	2016-03-08 12:14:31 -06:00
slot.c	PCI: Hold pci_slot_mutex while searching bus->slots list	2015-07-30 16:19:53 -05:00
syscall.c	PCI: Whitespace cleanup	2014-06-10 20:20:19 -06:00
vc.c	PCI: Fix unaligned accesses in VC code	2016-06-20 13:24:20 -05:00
vpd.c
xen-pcifront.c	treewide: replace obsolete _refok by __ref	2016-08-02 17:31:41 -04:00