ddr: altera: Clean up of delay_for_n_mem_clocks() part 5

Add kerneldoc.

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

diff --git a/drivers/ddr/altera/sequencer.c b/drivers/ddr/altera/sequencer.c
index d4e720f8dbc2e0d58a61275b65655ddf5006a25c..37f735475be2e82a2b3966753c0bcb2cc1fb54d8 100644 (file)
--- a/drivers/ddr/altera/sequencer.c
+++ b/drivers/ddr/altera/sequencer.c
@@ -754,9 +754,11 @@ static void set_jump_as_return(void)
        writel(RW_MGR_RETURN, &sdr_rw_load_jump_mgr_regs->load_jump_add0);
 }
 
-/*
- * should always use constants as argument to ensure all computations are
- * performed at compile time
+/**
+ * delay_for_n_mem_clocks() - Delay for N memory clocks
+ * @clocks:    Length of the delay
+ *
+ * Delay for N memory clocks.
  */
 static void delay_for_n_mem_clocks(const u32 clocks)
 {