ddr: altera: Clean up set_rank_and_odt_mask() part 2

Turn the big inner if (RW_MGR_MEM_NUMBER_OF_RANKS == ...) conditional
into a switch {} statement instead. 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 7dd9a66cc9be88583ea1ab327ee5870843e22fe4..f7b5f526c5b1c3c2397f8d0afe221df5f1af07ce 100644 (file)
--- a/drivers/ddr/altera/sequencer.c
+++ b/drivers/ddr/altera/sequencer.c
@@ -164,16 +164,13 @@ static void set_rank_and_odt_mask(const u32 rank, const u32 odt_mode)
                odt_mask_0 = 0x0;
                odt_mask_1 = 0x0;
        } else {        /* RW_MGR_ODT_MODE_READ_WRITE */
-               if (RW_MGR_MEM_NUMBER_OF_RANKS == 1) {
-                       /*
-                        * 1 Rank
-                        * Read: ODT = 0
-                        * Write: ODT = 1
-                        */
+               switch (RW_MGR_MEM_NUMBER_OF_RANKS) {
+               case 1: /* 1 Rank */
+                       /* Read: ODT = 0 ; Write: ODT = 1 */
                        odt_mask_0 = 0x0;
                        odt_mask_1 = 0x1;
-               } else if (RW_MGR_MEM_NUMBER_OF_RANKS == 2) {
-                       /* 2 Ranks */
+                       break;
+               case 2: /* 2 Ranks */
                        if (RW_MGR_MEM_NUMBER_OF_CS_PER_DIMM == 1) {
                                /* - Dual-Slot , Single-Rank
                                 * (1 chip-select per DIMM)
@@ -198,9 +195,9 @@ static void set_rank_and_odt_mask(const u32 rank, const u32 odt_mode)
                                odt_mask_0 = 0x0;
                                odt_mask_1 = 0x3 & (1 << rank);
                        }
-               } else {
-                       /* 4 Ranks
-                        * Read:
+                       break;
+               case 4: /* 4 Ranks */
+                       /* Read:
                         * ----------+-----------------------+
                         *           |                       |
                         *           |         ODT           |
@@ -244,6 +241,7 @@ static void set_rank_and_odt_mask(const u32 rank, const u32 odt_mode)
                                odt_mask_1 = 0xA;
                                break;
                        }
+                       break;
                }
        }