From: Marek Vasut Date: Mon, 20 Jul 2015 01:26:05 +0000 (+0200) Subject: ddr: altera: Clean up rw_mgr_mem_calibrate_read_test() part 5 X-Git-Tag: v2015.10-rc2~245 X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=783fcf59bd12dc6ffd6e411dfcda387f7b7f2c72;p=oweals%2Fu-boot.git ddr: altera: Clean up rw_mgr_mem_calibrate_read_test() part 5 Make the function documentation into kerneldoc. Signed-off-by: Marek Vasut --- diff --git a/drivers/ddr/altera/sequencer.c b/drivers/ddr/altera/sequencer.c index 4585e37ce0..0d1e6c877c 100644 --- 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,