diff --git a/drivers/pci/endpoint/pci-epc-core.c b/drivers/pci/endpoint/pci-epc-core.c index c6ecd5c24792..3b68987776d6 100644 --- a/drivers/pci/endpoint/pci-epc-core.c +++ b/drivers/pci/endpoint/pci-epc-core.c @@ -783,6 +783,32 @@ void pci_epc_bme_notify(struct pci_epc *epc) } EXPORT_SYMBOL_GPL(pci_epc_bme_notify); +/** + * pci_epc_deinit_notify() - Notify the EPF device that EPC device's core + * deinitialization is scheduled. + * @epc: the EPC device whose core deinitialization is scheduled + * + * Invoke to Notify the EPF device that the EPC device's deinitialization + * is scheduled. + */ +void pci_epc_deinit_notify(struct pci_epc *epc) +{ + struct pci_epf *epf; + + if (!epc || IS_ERR(epc)) + return; + + mutex_lock(&epc->list_lock); + list_for_each_entry(epf, &epc->pci_epf, list) { + mutex_lock(&epf->lock); + if (epf->event_ops->core_deinit) + epf->event_ops->core_deinit(epf); + mutex_unlock(&epf->lock); + } + mutex_unlock(&epc->list_lock); +} +EXPORT_SYMBOL_GPL(pci_epc_deinit_notify); + /** * pci_epc_destroy() - destroy the EPC device * @epc: the EPC device that has to be destroyed diff --git a/include/linux/pci-epc.h b/include/linux/pci-epc.h index 0c794e3e20f8..833a241da1a0 100644 --- a/include/linux/pci-epc.h +++ b/include/linux/pci-epc.h @@ -201,6 +201,7 @@ void pci_epc_linkup(struct pci_epc *epc); void pci_epc_linkdown(struct pci_epc *epc); void pci_epc_init_notify(struct pci_epc *epc); void pci_epc_bme_notify(struct pci_epc *epc); +void pci_epc_deinit_notify(struct pci_epc *epc); void pci_epc_remove_epf(struct pci_epc *epc, struct pci_epf *epf, enum pci_epc_interface_type type); int pci_epc_write_header(struct pci_epc *epc, u8 func_no, u8 vfunc_no, diff --git a/include/linux/pci-epf.h b/include/linux/pci-epf.h index 77b146e0f672..66b2dd4a792d 100644 --- a/include/linux/pci-epf.h +++ b/include/linux/pci-epf.h @@ -70,12 +70,14 @@ struct pci_epf_ops { /** * struct pci_epc_event_ops - Callbacks for capturing the EPC events * @core_init: Callback for the EPC initialization complete event + * @core_deinit: Callback for the EPC deinitialization schedule event * @link_up: Callback for the EPC link up event * @link_down: Callback for the EPC link down event * @bme: Callback for the EPC BME (Bus Master Enable) event */ struct pci_epc_event_ops { int (*core_init)(struct pci_epf *epf); + int (*core_deinit)(struct pci_epf *epf); int (*link_up)(struct pci_epf *epf); int (*link_down)(struct pci_epf *epf); int (*bme)(struct pci_epf *epf);