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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/sl82c105.c
parent6dae44f9a55f13765c877687602cd2bf1a057cfd (diff)
downloadblackbird-op-linux-c9ef59ff01b6bd1c7360a64fcc8556a1193c2ed0.tar.gz
blackbird-op-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/sl82c105.c')
-rw-r--r--drivers/ide/sl82c105.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/ide/sl82c105.c b/drivers/ide/sl82c105.c
index 0924abff52ff..88ac47085cd9 100644
--- a/drivers/ide/sl82c105.c
+++ b/drivers/ide/sl82c105.c
@@ -61,8 +61,7 @@ static unsigned int get_pio_timings(ide_drive_t *drive, u8 pio)
if (cmd_off == 0)
cmd_off = 1;
- if ((pio > 2 || ata_id_has_iordy(drive->id)) &&
- !(pio > 4 && ata_id_is_cfa(drive->id)))
+ if (ide_pio_need_iordy(drive, pio))
iordy = 0x40;
return (cmd_on - 1) << 8 | (cmd_off - 1) | iordy;
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