ddr: altera: Clean up rw_mgr_mem_calibrate_read_test() part 5

Make the function documentation into kerneldoc.

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

diff --git a/drivers/ddr/altera/sequencer.c b/drivers/ddr/altera/sequencer.c
index 4585e37ce0047ae5d7abe0db152bf21464c1ab8b..0d1e6c877cab067c1e197a588425b86281089572 100644 (file)
--- a/drivers/ddr/altera/sequencer.c
+++ b/drivers/ddr/altera/sequencer.c
@@ -1169,10 +1169,19 @@ static void rw_mgr_mem_calibrate_read_load_patterns(const u32 rank_bgn,
        set_rank_and_odt_mask(0, RW_MGR_ODT_MODE_OFF);
 }
 
-/*
- * try a read and see if it returns correct data back. has dummy reads
- * inserted into the mix used to align dqs enable. has more thorough checks
- * than the regular read test.
+/**
+ * rw_mgr_mem_calibrate_read_test() - Perform READ test on single rank
+ * @rank_bgn:          Rank number
+ * @group:             Read/Write group
+ * @num_tries:         Number of retries of the test
+ * @all_correct:       All bits must be correct in the mask
+ * @bit_chk:           Resulting bit mask after the test
+ * @all_groups:                Test all R/W groups
+ * @all_ranks:         Test all ranks
+ *
+ * Try a read and see if it returns correct data back. Test has dummy reads
+ * inserted into the mix used to align DQS enable. Test has more thorough
+ * checks than the regular read test.
  */
 static int
 rw_mgr_mem_calibrate_read_test(const u32 rank_bgn, const u32 group,