s390/cio: fix kernel-doc usage

Fix the kernel-doc usage in cio to get rid of (W=1) build warnings like:
drivers/s390/cio/cio.c:1068: warning: No description found for parameter 'sch'

Signed-off-by: Sebastian Ott <[e-mail]>
Signed-off-by: Martin Schwidefsky <[e-mail]>

drivers/s390/cio/chp.c

···
 
 /**
  * chp_update_desc - update channel-path description
- * @chp - channel-path
+ * @chp: channel-path
  *
  * Update the channel-path description of the specified channel-path
  * including channel measurement related information.
···
 
 /**
  * chp_new - register a new channel-path
- * @chpid - channel-path ID
+ * @chpid: channel-path ID
  *
  * Create and register data structure representing new channel-path. Return
  * zero on success, non-zero otherwise.
···
 
 /**
  * chp_cfg_schedule - schedule chpid configuration request
- * @chpid - channel-path ID
- * @configure - Non-zero for configure, zero for deconfigure
+ * @chpid: channel-path ID
+ * @configure: Non-zero for configure, zero for deconfigure
  *
  * Schedule a channel-path configuration/deconfiguration request.
  */
···
 
 /**
  * chp_cfg_cancel_deconfigure - cancel chpid deconfiguration request
- * @chpid - channel-path ID
+ * @chpid: channel-path ID
  *
  * Cancel an active channel-path deconfiguration request if it has not yet
  * been performed.

drivers/s390/cio/cio.c

···
 
 /**
  * cio_tm_intrg - perform interrogate function
- * @sch - subchannel on which to perform the interrogate function
+ * @sch: subchannel on which to perform the interrogate function
  *
  * If the specified subchannel is running in transport-mode, perform the
  * interrogate function. Return zero on success, non-zero otherwie.

drivers/s390/cio/itcw.c

···
 #include <asm/fcx.h>
 #include <asm/itcw.h>
 
-/**
+/*
  * struct itcw - incremental tcw helper data type
  *
  * This structure serves as a handle for the incremental construction of a

drivers/s390/cio/qdio_main.c

···
  * @mask: which output queues to process
  * @bb: busy bit indicator, set only if SIGA-w/wt could not access a buffer
  * @fc: function code to perform
+ * @aob: asynchronous operation block
  *
  * Returns condition code.
  * Note: For IQDC unicast queues only the highest priority queue is processed.
···
  * @response:		Response code will be stored at this address
  * @cb: 		Callback function will be executed for each element
  *			of the address list
- * @priv:		Pointer passed from the caller to qdio_pnso_brinfo()
- * @type:		Type of the address entry passed to the callback
- * @entry:		Entry containg the address of the specified type
  * @priv:		Pointer to pass to the callback function.
  *
  * Performs "Store-network-bridging-information list" operation and calls

drivers/s390/cio/vfio_ccw_cp.c

···
 
 /**
  * cp_iova_pinned() - check if an iova is pinned for a ccw chain.
- * @cmd: ccwchain command on which to perform the operation
+ * @cp: channel_program on which to perform the operation
  * @iova: the iova to check
  *
  * If the @iova is currently pinned for the ccw chain, return true;