ide: add ide_set{_max}_pio() (take 4)
* Add IDE_HFLAG_ABUSE_{PREFETCH,FAST_DEVSEL,DMA_MODES} flags
and set them in ht6560, cmd640, cmd64x and sc1200 host drivers.
* Add set_pio_mode_abuse() for checking if host driver has a non-standard
->tuneproc() implementation and use it in do_special().
* Add ide_set_pio() for setting PIO mode (it uses hwif->pio_mask to find
the maximum PIO mode supported by the host), also add ide_set_max_pio()
wrapper for ide_set_pio() to use for auto-tuning. Convert users of
->tuneproc to use ide_set{_max}_pio() where possible. This leaves only
do_special(), set_using_pio(), ide_hwif_restore() and ide_set_pio() as
a direct users of ->tuneproc.
* Remove no longer needed ide_get_best_pio_mode() calls and printk-s
reporting PIO mode selected from ->tuneproc implementations.
* Rename ->tuneproc hook to ->set_pio_mode and make 'pio' argument const.
* Remove stale comment from ide_config_drive_speed().
v2:
* Fix "ata_" prefix (Noticed by Jeff).
v3:
* Minor cleanups/fixups per Sergei's suggestions.
v4:
* Fix compile problem in drivers/ide/pci/cmd640.c
(Noticed by Andrew Morton).
* Improve some ->set_pio_mode comments.
Reviewed-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Cc: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
diff --git a/drivers/ide/legacy/ali14xx.c b/drivers/ide/legacy/ali14xx.c
index 9b9c476..2f0ef9b 100644
--- a/drivers/ide/legacy/ali14xx.c
+++ b/drivers/ide/legacy/ali14xx.c
@@ -68,8 +68,6 @@
{0x35, 0x03}, {0x00, 0x00}
};
-#define ALI_MAX_PIO 4
-
/* timing parameter registers for each drive */
static struct { u8 reg1, reg2, reg3, reg4; } regTab[4] = {
{0x03, 0x26, 0x04, 0x27}, /* drive 0 */
@@ -109,7 +107,7 @@
* This function computes timing parameters
* and sets controller registers accordingly.
*/
-static void ali14xx_tune_drive (ide_drive_t *drive, u8 pio)
+static void ali14xx_set_pio_mode(ide_drive_t *drive, const u8 pio)
{
int driveNum;
int time1, time2;
@@ -117,8 +115,6 @@
unsigned long flags;
int bus_speed = system_bus_clock();
- pio = ide_get_best_pio_mode(drive, pio, ALI_MAX_PIO);
-
/* calculate timing, according to PIO mode */
time1 = ide_pio_cycle_time(drive, pio);
time2 = ide_pio_timings[pio].active_time;
@@ -212,12 +208,12 @@
hwif->chipset = ide_ali14xx;
hwif->pio_mask = ATA_PIO4;
- hwif->tuneproc = &ali14xx_tune_drive;
+ hwif->set_pio_mode = &ali14xx_set_pio_mode;
hwif->mate = mate;
mate->chipset = ide_ali14xx;
mate->pio_mask = ATA_PIO4;
- mate->tuneproc = &ali14xx_tune_drive;
+ mate->set_pio_mode = &ali14xx_set_pio_mode;
mate->mate = hwif;
mate->channel = 1;