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authorLinus Torvalds <torvalds@linux-foundation.org>2023-11-03 14:51:08 -1000
committerLinus Torvalds <torvalds@linux-foundation.org>2023-11-03 14:51:08 -1000
commitd99b91a99be430be45413052bb428107c435918b (patch)
tree61f44b60b9423760c1b078421d1ebabcb6cf7ae2 /drivers/cdx/cdx.h
parente392ea4d4d00880bf94550151b1ace4f88a4b17a (diff)
parentfa10f413091a43f801f82b3cf484f15d6fc9266f (diff)
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Merge tag 'char-misc-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc updates from Greg KH: "Here is the big set of char/misc and other small driver subsystem changes for 6.7-rc1. Included in here are: - IIO subsystem driver updates and additions (largest part of this pull request) - FPGA subsystem driver updates - Counter subsystem driver updates - ICC subsystem driver updates - extcon subsystem driver updates - mei driver updates and additions - nvmem subsystem driver updates and additions - comedi subsystem dependency fixes - parport driver fixups - cdx subsystem driver and core updates - splice support for /dev/zero and /dev/full - other smaller driver cleanups All of these have been in linux-next for a while with no reported issues" * tag 'char-misc-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (326 commits) cdx: add sysfs for subsystem, class and revision cdx: add sysfs for bus reset cdx: add support for bus enable and disable cdx: Register cdx bus as a device on cdx subsystem cdx: Create symbol namespaces for cdx subsystem cdx: Introduce lock to protect controller ops cdx: Remove cdx controller list from cdx bus system dts: ti: k3-am625-beagleplay: Add beaglecc1352 greybus: Add BeaglePlay Linux Driver dt-bindings: net: Add ti,cc1352p7 dt-bindings: eeprom: at24: allow NVMEM cells based on old syntax dt-bindings: nvmem: SID: allow NVMEM cells based on old syntax Revert "nvmem: add new config option" MAINTAINERS: coresight: Add missing Coresight files misc: pci_endpoint_test: Add deviceID for J721S2 PCIe EP device support firmware: xilinx: Move EXPORT_SYMBOL_GPL next to zynqmp_pm_feature definition uacce: make uacce_class constant ocxl: make ocxl_class constant cxl: make cxl_class constant misc: phantom: make phantom_class constant ...
Diffstat (limited to 'drivers/cdx/cdx.h')
-rw-r--r--drivers/cdx/cdx.h22
1 files changed, 21 insertions, 1 deletions
diff --git a/drivers/cdx/cdx.h b/drivers/cdx/cdx.h
index c436ac7ac86f..300ad8be7a34 100644
--- a/drivers/cdx/cdx.h
+++ b/drivers/cdx/cdx.h
@@ -13,24 +13,33 @@
/**
* 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
+ * @subsys_vendor: Sub vendor ID for CDX device
+ * @subsys_device: Sub device ID for CDX device
* @bus_num: Bus number for this CDX device
* @dev_num: Device number for this device
* @res: array of MMIO region entries
* @res_count: number of valid MMIO regions
* @req_id: Requestor ID associated with CDX device
+ * @class: Class of the CDX Device
+ * @revision: Revision of the CDX device
*/
struct cdx_dev_params {
struct cdx_controller *cdx;
+ struct device *parent;
u16 vendor;
u16 device;
+ u16 subsys_vendor;
+ u16 subsys_device;
u8 bus_num;
u8 dev_num;
struct resource res[MAX_CDX_DEV_RESOURCES];
u8 res_count;
u32 req_id;
+ u32 class;
+ u8 revision;
};
/**
@@ -59,4 +68,15 @@ 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_ */