ddr: altera: Clean up rw_mgr_mem_calibrate_vfifo_center() part 11

Add kerneldoc, no functional change.

Signed-off-by: Marek Vasut <marex@denx.de>

diff --git a/drivers/ddr/altera/sequencer.c b/drivers/ddr/altera/sequencer.c
index efcf28302e6032612ceb5fecededc5c7febc0caa..b81fc8c358f3a19e7e692ef86710e66bb0af5bc8 100644 (file)
--- a/drivers/ddr/altera/sequencer.c
+++ b/drivers/ddr/altera/sequencer.c
@@ -2191,7 +2191,16 @@ static void center_dq_windows(const int write, int *left_edge, int *right_edge,
 
 }
 
-/* per-bit deskew DQ and center */
+/**
+ * rw_mgr_mem_calibrate_vfifo_center() - Per-bit deskew DQ and centering
+ * @rank_bgn:          Rank number
+ * @rw_group:          Read/Write Group
+ * @test_bgn:          Rank at which the test begins
+ * @use_read_test:     Perform a read test
+ * @update_fom:                Update FOM
+ *
+ * Per-bit deskew DQ and centering.
+ */
 static int rw_mgr_mem_calibrate_vfifo_center(const u32 rank_bgn,
                        const u32 rw_group, const u32 test_bgn,
                        const int use_read_test, const int update_fom)