ich777/linux_media
1
0
Fork 0
mirror of https://github.com/tbsdtv/linux_media.git synced 2025-07-23 20:51:03 +02:00
Code Issues Packages Projects Releases Wiki Activity

cdx: add the cdx bus driver

Browse Source 
Introduce AMD CDX bus, which provides a mechanism for scanning
and probing CDX devices. These devices are memory mapped on
system bus for Application Processors(APUs).

CDX devices can be changed dynamically in the Fabric and CDX
bus interacts with CDX controller to rescan the bus and
rediscover the devices.

Signed-off-by: Nipun Gupta <nipun.gupta@amd.com>
Reviewed-by: Pieter Jansen van Vuuren <pieter.jansen-van-vuuren@amd.com>
Tested-by: Nikhil Agarwal <nikhil.agarwal@amd.com>
Link: https://lore.kernel.org/r/20230313132636.31850-2-nipun.gupta@amd.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Nipun Gupta
2023-03-13 18:56:30 +05:30
committed by Greg Kroah-Hartman
parent 71d74aaa15
commit 2959ab2470
12 changed files with 695 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
include/linux/mod_devicetable.h
View File

@@ -912,4 +912,19 @@ struct ishtp_device_id {
kernel_ulong_t driver_data;
};
/**
* struct cdx_device_id - CDX device identifier
* @vendor: Vendor ID
* @device: Device ID
* @override_only: Match only when dev->driver_override is this driver.
*
* Type of entries in the "device Id" table for CDX devices supported by
* a CDX device driver.
*/
struct cdx_device_id {
__u16 vendor;
__u16 device;
__u32 override_only;
};
#endif /* LINUX_MOD_DEVICETABLE_H */