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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>
This commit is contained in:
Bartlomiej Zolnierkiewicz 2008-07-16 20:33:36 +02:00
parent 3be53f3f21
commit bd887f72d2
2 changed files with 8 additions and 20 deletions
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24
drivers/ide/ide-timing.h
View File

@ -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);

4
drivers/ide/pci/cs5535.c
View File

@ -75,13 +75,11 @@ static unsigned int cs5535_udma_timings[5] =
*/
static void cs5535_set_speed(ide_drive_t *drive, const u8 speed)
{
u32 reg = 0, dummy;
int unit = drive->select.b.unit;
/* Set the PIO timings */
if ((speed & XFER_MODE) == XFER_PIO) {
if (speed < XFER_SW_DMA_0) {
ide_drive_t *pair = ide_get_paired_drive(drive);
u8 cmd, pioa;