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-rw-r--r--drivers/ide/ide-lib.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/ide/ide-lib.c b/drivers/ide/ide-lib.c
index 8649db3..a3bd8e8 100644
--- a/drivers/ide/ide-lib.c
+++ b/drivers/ide/ide-lib.c
@@ -441,6 +441,12 @@ int ide_set_xfer_rate(ide_drive_t *drive, u8 rate)
* case could happen iff the transfer mode has already been set on
* the device by ide-proc.c::set_xfer_rate()).
*/
+ if (rate < XFER_PIO_0) {
+ if (hwif->host_flags & IDE_HFLAG_ABUSE_SET_DMA_MODE)
+ return ide_set_dma_mode(drive, rate);
+ else
+ return ide_config_drive_speed(drive, rate);
+ }
return ide_set_dma_mode(drive, rate);
}
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