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-rw-r--r--drivers/ide/ide-lib.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/ide/ide-lib.c b/drivers/ide/ide-lib.c
index 8400b1b4aa1b..d97390c0543b 100644
--- a/drivers/ide/ide-lib.c
+++ b/drivers/ide/ide-lib.c
@@ -398,6 +398,18 @@ int ide_set_xfer_rate(ide_drive_t *drive, u8 rate)
rate = ide_rate_filter(drive, rate);
+ if (rate >= XFER_PIO_0 && rate <= XFER_PIO_5) {
+ if (hwif->set_pio_mode)
+ hwif->set_pio_mode(drive, rate - XFER_PIO_0);
+
+ /*
+ * FIXME: this is incorrect to return zero here but
+ * since all users of ide_set_xfer_rate() ignore
+ * the return value it is not a problem currently
+ */
+ return 0;
+ }
+
return hwif->speedproc(drive, rate);
}