fpga: dfl: more kernel-doc corrections

Fix more kernel-doc warnings in drivers/fpga/:

$ ./scripts/kernel-doc -none drivers/fpga/*
drivers/fpga/dfl-afu.h:61: warning: expecting prototype for struct fpga_afu_dma_region. Prototype was for struct dfl_afu_dma_region instead
drivers/fpga/dfl-afu-region.c:52: warning: Function parameter or member 'pdata' not described in 'afu_mmio_region_add'
drivers/fpga/dfl-fme-perf.c:161: warning: Function parameter or member 'node' not described in 'fme_perf_priv'
drivers/fpga/dfl-fme-pr.h:70: warning: expecting prototype for struct dfl_fme_bridge_pdata. Prototype was for struct dfl_fme_br_pdata instead
drivers/fpga/dfl.h:256: warning: Function parameter or member 'revision' not described in 'dfl_feature'
Signed-off-by: Xu Yilun <yilun.xu@intel.com>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://lore.kernel.org/r/20230114155444.794712-1-yilun.xu@intel.com

drivers/fpga/dfl-afu-region.c

@@ -39,6 +39,7 @@ static struct dfl_afu_mmio_region *get_region_by_index(struct dfl_afu *afu,
 /**
  * afu_mmio_region_add - add a mmio region to given feature dev.
  *
+ * @pdata: afu platform device's pdata.
  * @region_index: region index.
  * @region_size: region size.
  * @phys: region's physical address of this region.

drivers/fpga/dfl-afu.h

@@ -41,7 +41,7 @@ struct dfl_afu_mmio_region {
 };
 
 /**
- * struct fpga_afu_dma_region - afu DMA region data structure
+ * struct dfl_afu_dma_region - afu DMA region data structure
  *
  * @user_addr: region userspace virtual address.
  * @length: region length.

drivers/fpga/dfl-fme-perf.c

@@ -141,7 +141,7 @@
  * @fab_port_id: used to indicate current working mode of fabric counters.
  * @fab_lock: lock to protect fabric counters working mode.
  * @cpu: active CPU to which the PMU is bound for accesses.
- * @cpuhp_node: node for CPU hotplug notifier link.
+ * @node: node for CPU hotplug notifier link.
  * @cpuhp_state: state for CPU hotplug notification;
  */
 struct fme_perf_priv {

drivers/fpga/dfl-fme-pr.h

@@ -58,7 +58,7 @@ struct dfl_fme_bridge {
 };
 
 /**
- * struct dfl_fme_bridge_pdata - platform data for FME bridge platform device.
+ * struct dfl_fme_br_pdata - platform data for FME bridge platform device.
  *
  * @cdev: container device.
  * @port_id: port id.

drivers/fpga/dfl.h

@@ -231,6 +231,7 @@ struct dfl_feature_irq_ctx {
  *
  * @dev: ptr to pdev of the feature device which has the sub feature.
  * @id: sub feature id.
+ * @revision: revision value of this sub feature.
  * @resource_index: each sub feature has one mmio resource for its registers.
  *		    this index is used to find its mmio resource from the
  *		    feature dev (platform device)'s resources.