ddr: altera: Clean up sdr_*_phase() part 7
authorMarek Vasut <marex@denx.de>
Sun, 19 Jul 2015 03:40:06 +0000 (05:40 +0200)
committerMarek Vasut <marex@denx.de>
Sat, 8 Aug 2015 12:14:19 +0000 (14:14 +0200)
Wrap dtaps_per_ptap into the sdr_working_phase() function to trim
down the number of params. It's a constant too.

Signed-off-by: Marek Vasut <marex@denx.de>
drivers/ddr/altera/sequencer.c

index 75a0699e849d6c40a0ff42b861b8ea483de25dec..d93b5fee498a30f198af728c84be5ca045ea946a 100644 (file)
@@ -1378,11 +1378,12 @@ static int sdr_find_phase(int working, const u32 grp, u32 *v, u32 *work,
        return -EINVAL;
 }
 
-static int sdr_working_phase(uint32_t grp,
-                             uint32_t dtaps_per_ptap, uint32_t *work_bgn,
-                             uint32_t *v, uint32_t *d, uint32_t *p,
-                             uint32_t *i)
+static int sdr_working_phase(uint32_t grp, uint32_t *work_bgn,
+                            uint32_t *v, uint32_t *d, uint32_t *p,
+                            uint32_t *i)
 {
+       const u32 dtaps_per_ptap = IO_DELAY_PER_OPA_TAP /
+                                  IO_DELAY_PER_DQS_EN_DCHAIN_TAP;
        int ret;
 
        *work_bgn = 0;
@@ -1565,7 +1566,7 @@ static uint32_t rw_mgr_mem_calibrate_vfifo_find_dqs_en_phase(uint32_t grp)
        /* ******************************************************** */
        /* * step 2: find first working phase, increment in ptaps * */
        work_bgn = 0;
-       if (sdr_working_phase(grp, dtaps_per_ptap, &work_bgn, &v, &d, &p, &i))
+       if (sdr_working_phase(grp, &work_bgn, &v, &d, &p, &i))
                return 0;
 
        work_end = work_bgn;