ide: remove XFER_* masks from ide-timing.h

* Check requested xfer mode against xfer modes instead of XFER_* masks
  in ide_timing_compute() and cs5535.c::cs5535_set_speed().

* Remove XFER_[MODE,MWDMA,EPIO,PIO] masks.

There should be no functional changes caused by this patch.

Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

1 files changed, 7 insertions, 17 deletions

diff --git a/drivers/ide/ide-timing.h b/drivers/ide/ide-timing.h
index 724879910ac8..a401d8f82b50 100644
--- a/drivers/ide/ide-timing.h
+++ b/drivers/ide/ide-timing.h
@@ -70,11 +70,6 @@ static struct ide_timing ide_timing[] = {
 #define ENOUGH(v,unit)          (((v)-1)/(unit)+1)
 #define EZ(v,unit)              ((v)?ENOUGH(v,unit):0)
 
-#define XFER_MODE       0xf0
-#define XFER_MWDMA      0x20
-#define XFER_EPIO       0x01
-#define XFER_PIO        0x00
-
 static void ide_timing_quantize(struct ide_timing *t, struct ide_timing *q, int T, int UT)
 {
         q->setup   = EZ(t->setup   * 1000,  T);
@@ -137,17 +132,12 @@ static int ide_timing_compute(ide_drive_t *drive, u8 speed,
 
                 memset(&p, 0, sizeof(p));
 
-                switch (speed & XFER_MODE) {
-
-                        case XFER_PIO:
-                                if (speed <= XFER_PIO_2) p.cycle = p.cyc8b = id->eide_pio;
-                                                    else p.cycle = p.cyc8b = id->eide_pio_iordy;
-                                break;
-
-                        case XFER_MWDMA:
-                                p.cycle = id->eide_dma_min;
-                                break;
-                }
+                if (speed <= XFER_PIO_2)
+                        p.cycle = p.cyc8b = id->eide_pio;
+                else if (speed <= XFER_PIO_5)
+                        p.cycle = p.cyc8b = id->eide_pio_iordy;
+                else if (speed >= XFER_MW_DMA_0 && speed <= XFER_MW_DMA_2)
+                        p.cycle = id->eide_dma_min;
 
                 ide_timing_merge(&p, t, t, IDE_TIMING_CYCLE | IDE_TIMING_CYC8B);
         }
@@ -164,7 +154,7 @@ static int ide_timing_compute(ide_drive_t *drive, u8 speed,
  * slower/equal than the fastest PIO timing.
  */
 
-        if ((speed & XFER_MODE) != XFER_PIO) {
+        if (speed >= XFER_SW_DMA_0) {
                 u8 pio = ide_get_best_pio_mode(drive, 255, 5);
                 ide_timing_compute(drive, XFER_PIO_0 + pio, &p, T, UT);
                 ide_timing_merge(&p, t, t, IDE_TIMING_ALL);