linux_dsm_epyc7002/drivers/pci
Imre Deak 06bf403de3 PCI / PM: Tune down retryable runtime suspend error messages
The runtime PM core doesn't treat EBUSY and EAGAIN retvals from the driver
suspend hooks as errors, but they still show up as errors in dmesg. Tune
them down. See rpm_suspend() for details of handling these return values.

Note that we use dev_dbg() for the retryable retvals, so after this
change you'll need either CONFIG_DYNAMIC_DEBUG or CONFIG_PCI_DEBUG
for them to show up in the log.

One problem caused by this was noticed by Daniel: the i915 driver
returns EAGAIN to signal a temporary failure to suspend and as a request
towards the RPM core for scheduling a suspend again. This is a normal
event, but the resulting error message flags a breakage during the
driver's automated testing which parses dmesg and picks up the error.

Reported-by: Daniel Vetter <daniel.vetter@intel.com>
Link: https://bugs.freedesktop.org/show_bug.cgi?id=92992
Signed-off-by: Imre Deak <imre.deak@intel.com>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2015-12-02 15:24:21 +01:00
..
host PCI: hisi: Fix deferred probing 2015-11-24 15:38:07 -06:00
hotplug PCI: pciehp: Queue power work requests in dedicated function 2015-10-21 13:55:37 -05:00
pcie PCI/AER: Clear error status registers during enumeration and restore 2015-09-17 10:09:37 -05:00
access.c PCI: Use function 0 VPD for identical functions, regular VPD for others 2015-09-24 17:06:32 -05:00
ats.c PCI: Remove pci_ats_enabled() 2015-08-13 15:59:59 -05:00
bus.c PCI: Clear IORESOURCE_UNSET when clipping a bridge window 2015-09-22 17:03:54 -05:00
host-bridge.c
hotplug-pci.c
htirq.c
iov.c Merge branches 'pci/aer', 'pci/hotplug', 'pci/misc', 'pci/msi', 'pci/resource' and 'pci/virtualization' into next 2015-11-02 15:57:03 -06:00
irq.c
Kconfig PCI,parisc: Enable 64-bit bus addresses on PA-RISC 2015-09-08 15:30:47 +02:00
Makefile PCI: Build setup-irq.o for arm64 2015-08-20 12:02:49 -05:00
msi.c PCI changes for the v4.4 merge window: 2015-11-06 11:29:53 -08:00
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 PCI / ACPI: Fix pci_acpi_optimize_delay() comment 2015-07-15 15:11:50 -05:00
pci-driver.c PCI / PM: Tune down retryable runtime suspend error messages 2015-12-02 15:24:21 +01:00
pci-label.c
pci-stub.c
pci-sysfs.c PCI: Prevent out of bounds access in numa_node override 2015-11-24 12:33:13 -06:00
pci.c PCI changes for the v4.4 merge window: 2015-11-06 11:29:53 -08:00
pci.h ARM/PCI: Move align_resource function pointer to pci_host_bridge structure 2015-11-25 13:23:38 -06:00
probe.c Merge branches 'acpi-smbus', 'acpi-ec' and 'acpi-pci' 2015-11-20 01:22:52 +01:00
proc.c
quirks.c PCI changes for the v4.4 merge window: 2015-11-06 11:29:53 -08:00
remove.c PCI: Embed ATS info directly into struct pci_dev 2015-08-13 15:57:21 -05:00
rom.c
search.c
setup-bus.c PCI: Handle IORESOURCE_PCI_FIXED when assigning resources 2015-10-29 17:35:39 -05:00
setup-irq.c
setup-res.c Merge branches 'pci/aer', 'pci/hotplug', 'pci/misc', 'pci/msi', 'pci/resource' and 'pci/virtualization' into next 2015-11-02 15:57:03 -06:00
slot.c PCI: Hold pci_slot_mutex while searching bus->slots list 2015-07-30 16:19:53 -05:00
syscall.c
vc.c PCI: Use dev->has_secondary_link to find downstream PCIe links 2015-05-29 15:35:26 -05:00
vpd.c
xen-pcifront.c PCI: Use for_each_pci_msi_entry() to access MSI device list 2015-07-22 18:37:43 +02:00