ddr: altera: Minor clean up of mem_skip_calibrate()

Perform minor coding style cleanup of the mem_skip_calibrate() function,
clean up comments and 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 56ca6f377cb679972020a1f121998a488787f5c7..874868d38d16bccd84b964320395d2a454eab56a 100644 (file)
--- a/drivers/ddr/altera/sequencer.c
+++ b/drivers/ddr/altera/sequencer.c
@@ -3169,7 +3169,11 @@ static void mem_init_latency(void)
        writel(wlat, &phy_mgr_cfg->afi_wlat);
 }
 
-/* Set VFIFO and LFIFO to instant-on settings in skip calibration mode */
+/**
+ * @mem_skip_calibrate() - Set VFIFO and LFIFO to instant-on settings
+ *
+ * Set VFIFO and LFIFO to instant-on settings in skip calibration mode.
+ */
 static void mem_skip_calibrate(void)
 {
        uint32_t vfifo_offset;
@@ -3178,7 +3182,7 @@ static void mem_skip_calibrate(void)
        debug("%s:%d\n", __func__, __LINE__);
        /* Need to update every shadow register set used by the interface */
        for (r = 0; r < RW_MGR_MEM_NUMBER_OF_RANKS;
-               r += NUM_RANKS_PER_SHADOW_REG) {
+            r += NUM_RANKS_PER_SHADOW_REG) {
                /*
                 * Set output phase alignment settings appropriate for
                 * skip calibration.
@@ -3215,8 +3219,8 @@ static void mem_skip_calibrate(void)
                         *
                         *    (1.25 * IO_DLL_CHAIN_LENGTH - 2)
                         */
-                       scc_mgr_set_dqdqs_output_phase(i, (1.25 *
-                               IO_DLL_CHAIN_LENGTH - 2));
+                       scc_mgr_set_dqdqs_output_phase(i,
+                                       1.25 * IO_DLL_CHAIN_LENGTH - 2);
                }
                writel(0xff, &sdr_scc_mgr->dqs_ena);
                writel(0xff, &sdr_scc_mgr->dqs_io_ena);
@@ -3242,14 +3246,13 @@ static void mem_skip_calibrate(void)
         * in sequencer.
         */
        vfifo_offset = CALIB_VFIFO_OFFSET;
-       for (j = 0; j < vfifo_offset; j++) {
+       for (j = 0; j < vfifo_offset; j++)
                writel(0xff, &phy_mgr_cmd->inc_vfifo_hard_phy);
-       }
        writel(0, &phy_mgr_cmd->fifo_reset);
 
        /*
-        * For ACV with hard lfifo, we get the skip-cal setting from
-        * generation-time constant.
+        * For Arria V and Cyclone V with hard LFIFO, we get the skip-cal
+        * setting from generation-time constant.
         */
        gbl->curr_read_lat = CALIB_LFIFO_OFFSET;
        writel(gbl->curr_read_lat, &phy_mgr_cfg->phy_rlat);