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authorBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2009-06-15 18:52:53 +0200
committerBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2009-06-15 18:52:53 +0200
commitc9ef59ff01b6bd1c7360a64fcc8556a1193c2ed0 (patch)
tree5bd24f0d0f720ab29f9a5b5a2156a620e2ff2113 /drivers/ide/at91_ide.c
parentata: add ata_id_pio_need_iordy() helper (v2) (diff)
downloadlinux-c9ef59ff01b6bd1c7360a64fcc8556a1193c2ed0.tar.xz
linux-c9ef59ff01b6bd1c7360a64fcc8556a1193c2ed0.zip
ide: IORDY handling fixes
Add ide_pio_need_iordy() helper and convert host drivers to use it. This fixes it8172, it8213, pdc202xx_old, piix, slc90e66 and siimage host drivers to handle IORDY correctly. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to 'drivers/ide/at91_ide.c')
-rw-r--r--drivers/ide/at91_ide.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/ide/at91_ide.c b/drivers/ide/at91_ide.c
index fc0949a8cfde..dbfeda42b940 100644
--- a/drivers/ide/at91_ide.c
+++ b/drivers/ide/at91_ide.c
@@ -185,8 +185,7 @@ static void at91_ide_set_pio_mode(ide_drive_t *drive, const u8 pio)
timing = ide_timing_find_mode(XFER_PIO_0 + pio);
BUG_ON(!timing);
- if ((pio > 2 || ata_id_has_iordy(drive->id)) &&
- !(ata_id_is_cfa(drive->id) && pio > 4))
+ if (ide_pio_need_iordy(drive, pio))
use_iordy = 1;
apply_timings(chipselect, pio, timing, use_iordy);