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path: root/drivers/ide/ide-timing.h
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Diffstat (limited to 'drivers/ide/ide-timing.h')
-rw-r--r--drivers/ide/ide-timing.h10
1 files changed, 4 insertions, 6 deletions
diff --git a/drivers/ide/ide-timing.h b/drivers/ide/ide-timing.h
index e6cb8593b5b..9b5afebafbf 100644
--- a/drivers/ide/ide-timing.h
+++ b/drivers/ide/ide-timing.h
@@ -111,16 +111,14 @@ static short ide_find_best_pio_mode(ide_drive_t *drive)
struct hd_driveid *id = drive->id;
short best = 0;
- if (id->field_valid & 2) { /* EIDE PIO modes */
-
+ /* EIDE PIO modes */
+ if ((id->field_valid & 2) && (id->capability & 8)) {
if ((best = (drive->id->eide_pio_modes & 4) ? XFER_PIO_5 :
(drive->id->eide_pio_modes & 2) ? XFER_PIO_4 :
(drive->id->eide_pio_modes & 1) ? XFER_PIO_3 : 0)) return best;
}
-
- return (drive->id->tPIO == 2) ? XFER_PIO_2 :
- (drive->id->tPIO == 1) ? XFER_PIO_1 :
- (drive->id->tPIO == 0) ? XFER_PIO_0 : XFER_PIO_SLOW;
+
+ return XFER_PIO_0 + min_t(u8, id->tPIO, 2);
}
static void ide_timing_quantize(struct ide_timing *t, struct ide_timing *q, int T, int UT)