Fixes the following W=1 kernel build warning(s):

 drivers/staging/comedi/drivers/comedi_8254.c:561: warning: Function parameter 
or member 'i8254' not described in 'comedi_8254_subdevice_init'
 drivers/staging/comedi/drivers/comedi_8254.c:620: warning: Function parameter 
or member 'iobase' not described in 'comedi_8254_init'
 drivers/staging/comedi/drivers/comedi_8254.c:620: warning: Excess function 
parameter 'mmio' description in 'comedi_8254_init'

Cc: Ian Abbott <abbo...@mev.co.uk>
Cc: H Hartley Sweeten <hswee...@visionengravers.com>
Cc: Greg Kroah-Hartman <gre...@linuxfoundation.org>
Cc: "David A. Schleef" <d...@schleef.org>
Cc: linux-stag...@lists.linux.dev
Signed-off-by: Lee Jones <lee.jo...@linaro.org>
---
 drivers/staging/comedi/drivers/comedi_8254.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/comedi/drivers/comedi_8254.c 
b/drivers/staging/comedi/drivers/comedi_8254.c
index d1d509e9add94..4bf5daa9e8855 100644
--- a/drivers/staging/comedi/drivers/comedi_8254.c
+++ b/drivers/staging/comedi/drivers/comedi_8254.c
@@ -555,6 +555,7 @@ static int comedi_8254_insn_config(struct comedi_device 
*dev,
 /**
  * comedi_8254_subdevice_init - initialize a comedi_subdevice for the 8254 
timer
  * @s:         comedi_subdevice struct
+ * @i8254:     comedi_8254 struct
  */
 void comedi_8254_subdevice_init(struct comedi_subdevice *s,
                                struct comedi_8254 *i8254)
@@ -607,7 +608,7 @@ static struct comedi_8254 *__i8254_init(unsigned long 
iobase,
 
 /**
  * comedi_8254_init - allocate and initialize the 8254 device for pio access
- * @mmio:      port I/O base address
+ * @iobase:    port I/O base address
  * @osc_base:  base time of the counter in ns
  *             OPTIONAL - only used by comedi_8254_cascade_ns_to_timer()
  * @iosize:    I/O register size
-- 
2.27.0

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