ide: remove PIO "downgrade" quirk

No need for it nowadays so remove quirk code from ide_get_best_pio_mode()
and IDE_HFLAG_PIO_DOWNGRADE host flag.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

1 files changed, 0 insertions, 2 deletions

diff --git a/include/linux/ide.h b/include/linux/ide.h
index eccc42b47061..c6d4de60185a 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -1027,8 +1027,6 @@ enum {
         IDE_HFLAG_SINGLE                = (1 << 1),
         /* don't use legacy PIO blacklist */
         IDE_HFLAG_PIO_NO_BLACKLIST      = (1 << 2),
-        /* don't use conservative PIO "downgrade" */
-        IDE_HFLAG_PIO_NO_DOWNGRADE      = (1 << 3),
         /* use PIO8/9 for prefetch off/on */
         IDE_HFLAG_ABUSE_PREFETCH        = (1 << 4),
         /* use PIO6/7 for fast-devsel off/on */