PCI: endpoint: Add linkdown notifier support
authorManivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Fri, 2 Jun 2023 11:47:51 +0000 (17:17 +0530)
committerBjorn Helgaas <bhelgaas@google.com>
Fri, 23 Jun 2023 20:05:20 +0000 (15:05 -0500)
commita1f6c3d7d3a2fdcb7bf77da17a17944c81ca13de
tree5849a1b511721475b4b3691b9dfe1ba03a83be4f
parenta504c965588b781f864364e897917a2c7b48ea5b
PCI: endpoint: Add linkdown notifier support

Add support to notify the EPF device about the linkdown event from the EPC
device.

Link: https://lore.kernel.org/r/20230602114756.36586-5-manivannan.sadhasivam@linaro.org
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Lorenzo Pieralisi <lpieralisi@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Kishon Vijay Abraham I <kishon@kernel.org>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
drivers/pci/endpoint/pci-epc-core.c
include/linux/pci-epc.h
include/linux/pci-epf.h