diff options
| author | Abhijit Gangurde <abhijit.gangurde@amd.com> | 2023-10-17 19:05:02 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-10-27 14:23:24 +0300 |
| commit | ce558a391d80b9f47a462107977e8e81fe2f2962 (patch) | |
| tree | 898cccb9a2bc7c4385d088a258dbcf446e8fb01c /drivers/cdx/cdx.h | |
| parent | e3ed12f37e261a0b35cf0b4ae505adf7ea0f48ec (diff) | |
| download | linux-ce558a391d80b9f47a462107977e8e81fe2f2962.tar.xz | |
cdx: Register cdx bus as a device on cdx subsystem
While scanning for CDX devices, register newly discovered bus as a
cdx device. CDX device attributes are visible based on device type.
Signed-off-by: Abhijit Gangurde <abhijit.gangurde@amd.com>
Link: https://lore.kernel.org/r/20231017160505.10640-5-abhijit.gangurde@amd.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/cdx/cdx.h')
| -rw-r--r-- | drivers/cdx/cdx.h | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/cdx/cdx.h b/drivers/cdx/cdx.h index c436ac7ac86f..1f593deb4c9e 100644 --- a/drivers/cdx/cdx.h +++ b/drivers/cdx/cdx.h @@ -13,7 +13,7 @@ /** * struct cdx_dev_params - CDX device parameters * @cdx: CDX controller associated with the device - * @parent: Associated CDX controller + * @parent: Associated CDX Bus device * @vendor: Vendor ID for CDX device * @device: Device ID for CDX device * @bus_num: Bus number for this CDX device @@ -24,6 +24,7 @@ */ struct cdx_dev_params { struct cdx_controller *cdx; + struct device *parent; u16 vendor; u16 device; u8 bus_num; @@ -59,4 +60,15 @@ void cdx_unregister_controller(struct cdx_controller *cdx); */ int cdx_device_add(struct cdx_dev_params *dev_params); +/** + * cdx_bus_add - Add a CDX bus. This function adds a bus on the CDX bus + * subsystem. It creates a CDX device for the corresponding bus and + * also registers an associated Linux generic device. + * @cdx: Associated CDX controller + * @us_num: Bus number + * + * Return: associated Linux generic device pointer on success or NULL on failure. + */ +struct device *cdx_bus_add(struct cdx_controller *cdx, u8 bus_num); + #endif /* _CDX_H_ */ |