diff options
author | Vidya Sagar <vidyas@nvidia.com> | 2020-02-17 13:10:34 +0100 |
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committer | Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> | 2020-02-25 13:02:25 +0100 |
commit | 0ef22dcf0c1871888c4c0ee46a9d9c494f2fe997 (patch) | |
tree | a0cec71ecfb917bda530995a4ac16d6f87be4315 /drivers/pci | |
parent | PCI: dwc: Refactor core initialization code for EP mode (diff) | |
download | linux-0ef22dcf0c1871888c4c0ee46a9d9c494f2fe997.tar.xz linux-0ef22dcf0c1871888c4c0ee46a9d9c494f2fe997.zip |
PCI: endpoint: Add notification for core init completion
Add support to send notifications to EPF from EPC once the core
registers initialization is complete.
Signed-off-by: Vidya Sagar <vidyas@nvidia.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: Kishon Vijay Abraham I <kishon@ti.com>
Diffstat (limited to 'drivers/pci')
-rw-r--r-- | drivers/pci/endpoint/pci-epc-core.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/drivers/pci/endpoint/pci-epc-core.c b/drivers/pci/endpoint/pci-epc-core.c index dc1c673534e0..0d22a377a0cf 100644 --- a/drivers/pci/endpoint/pci-epc-core.c +++ b/drivers/pci/endpoint/pci-epc-core.c @@ -540,11 +540,28 @@ void pci_epc_linkup(struct pci_epc *epc) if (!epc || IS_ERR(epc)) return; - atomic_notifier_call_chain(&epc->notifier, 0, NULL); + atomic_notifier_call_chain(&epc->notifier, LINK_UP, NULL); } EXPORT_SYMBOL_GPL(pci_epc_linkup); /** + * pci_epc_init_notify() - Notify the EPF device that EPC device's core + * initialization is completed. + * @epc: the EPC device whose core initialization is completeds + * + * Invoke to Notify the EPF device that the EPC device's initialization + * is completed. + */ +void pci_epc_init_notify(struct pci_epc *epc) +{ + if (!epc || IS_ERR(epc)) + return; + + atomic_notifier_call_chain(&epc->notifier, CORE_INIT, NULL); +} +EXPORT_SYMBOL_GPL(pci_epc_init_notify); + +/** * pci_epc_destroy() - destroy the EPC device * @epc: the EPC device that has to be destroyed * |