diff options
| author | Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> | 2023-06-02 14:47:49 +0300 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2023-06-23 23:05:03 +0300 |
| commit | 081c715dfd50542e89df5ee12a8e32e7ed936cd1 (patch) | |
| tree | 66b17525b114e4f816211237878852a39ff70212 /include/linux/pci-epf.h | |
| parent | ff2f19d6f1fcb6128950263c3ea46ff1aefec54f (diff) | |
| download | linux-081c715dfd50542e89df5ee12a8e32e7ed936cd1.tar.xz | |
PCI: endpoint: Pass EPF device ID to the probe function
Currently, the EPF probe function doesn't get the device ID argument needed
to correctly identify the device table ID of the EPF device.
When multiple entries are added to the "struct pci_epf_device_id" table,
the probe function needs to identify the correct one. This is achieved by
modifying the pci_epf_match_id() function to return the match ID pointer
and passing it to the driver's probe function.
pci_epf_device_match() function can return bool based on the return value
of pci_epf_match_id().
Link: https://lore.kernel.org/r/20230602114756.36586-3-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>
Diffstat (limited to 'include/linux/pci-epf.h')
| -rw-r--r-- | include/linux/pci-epf.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/include/linux/pci-epf.h b/include/linux/pci-epf.h index b8441db2fa52..a3bad37ccae6 100644 --- a/include/linux/pci-epf.h +++ b/include/linux/pci-epf.h @@ -89,7 +89,8 @@ struct pci_epc_event_ops { * @id_table: identifies EPF devices for probing */ struct pci_epf_driver { - int (*probe)(struct pci_epf *epf); + int (*probe)(struct pci_epf *epf, + const struct pci_epf_device_id *id); void (*remove)(struct pci_epf *epf); struct device_driver driver; @@ -131,6 +132,7 @@ struct pci_epf_bar { * @epc: the EPC device to which this EPF device is bound * @epf_pf: the physical EPF device to which this virtual EPF device is bound * @driver: the EPF driver to which this EPF device is bound + * @id: Pointer to the EPF device ID * @list: to add pci_epf as a list of PCI endpoint functions to pci_epc * @lock: mutex to protect pci_epf_ops * @sec_epc: the secondary EPC device to which this EPF device is bound @@ -158,6 +160,7 @@ struct pci_epf { struct pci_epc *epc; struct pci_epf *epf_pf; struct pci_epf_driver *driver; + const struct pci_epf_device_id *id; struct list_head list; /* mutex to protect against concurrent access of pci_epf_ops */ struct mutex lock; |