dmaengine: ioat: Fix some parameter misspelling and provide description for phys_complete

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

 drivers/dma/ioat/dma.c:202: warning: Function parameter or member 'ioat_chan' not described in 'ioat_update_pending'
 drivers/dma/ioat/dma.c:202: warning: Excess function parameter 'ioat' description in 'ioat_update_pending'
 drivers/dma/ioat/dma.c:465: warning: Function parameter or member 'ioat_chan' not described in 'ioat_check_space_lock'
 drivers/dma/ioat/dma.c:465: warning: Excess function parameter 'ioat' description in 'ioat_check_space_lock'
 drivers/dma/ioat/dma.c:591: warning: Function parameter or member 'ioat_chan' not described in '__cleanup'
 drivers/dma/ioat/dma.c:591: warning: Function parameter or member 'phys_complete' not described in '__cleanup'
 drivers/dma/ioat/dma.c:591: warning: Excess function parameter 'ioat' description in '__cleanup'

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Cc: Dave Jiang <dave.jiang@intel.com>
Cc: Leonid Ravich <Leonid.Ravich@emc.com>
Link: https://lore.kernel.org/r/20200714111546.1755231-18-lee.jones@linaro.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>

diff --git a/drivers/dma/ioat/dma.c b/drivers/dma/ioat/dma.c
index 8ad0ad8..9d5744e 100644 (file)
--- a/drivers/dma/ioat/dma.c
+++ b/drivers/dma/ioat/dma.c
@@ -181,7 +181,7 @@ void ioat_issue_pending(struct dma_chan *c)
 
 /**
  * ioat_update_pending - log pending descriptors
- * @ioat: ioat+ channel
+ * @ioat_chan: ioat+ channel
  *
  * Check if the number of unsubmitted descriptors has exceeded the
  * watermark.  Called with prep_lock held
@@ -445,7 +445,7 @@ ioat_alloc_ring(struct dma_chan *c, int order, gfp_t flags)
 
 /**
  * ioat_check_space_lock - verify space and grab ring producer lock
- * @ioat: ioat,3 channel (ring) to operate on
+ * @ioat_chan: ioat,3 channel (ring) to operate on
  * @num_descs: allocation length
  */
 int ioat_check_space_lock(struct ioatdma_chan *ioat_chan, int num_descs)
@@ -573,7 +573,8 @@ desc_get_errstat(struct ioatdma_chan *ioat_chan, struct ioat_ring_ent *desc)
 
 /**
  * __cleanup - reclaim used descriptors
- * @ioat: channel (ring) to clean
+ * @ioat_chan: channel (ring) to clean
+ * @phys_complete: zeroed (or not) completion address (from status)
  */
 static void __cleanup(struct ioatdma_chan *ioat_chan, dma_addr_t phys_complete)
 {