From 3910dde6410e742f8bd3f516ee9b1a7114abbad0 Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Mon, 28 Apr 2008 23:44:39 +0200
Subject: [PATCH] ide-{floppy,tape,scsi}: 400ns delay is required after
executing the command
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---
drivers/ide/ide-floppy.c | 1 +
drivers/ide/ide-tape.c | 1 +
drivers/scsi/ide-scsi.c | 1 +
3 files changed, 3 insertions(+)
diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c
index b9983c4a1facd..da79248633a47 100644
--- a/drivers/ide/ide-floppy.c
+++ b/drivers/ide/ide-floppy.c
@@ -698,6 +698,7 @@ static ide_startstop_t idefloppy_issue_pc(ide_drive_t *drive,
/* Issue the packet command */
hwif->OUTBSYNC(drive, WIN_PACKETCMD,
hwif->io_ports.command_addr);
+ ndelay(400);
return (*pkt_xfer_routine) (drive);
}
}
diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c
index f3f231de18355..dc88431a23599 100644
--- a/drivers/ide/ide-tape.c
+++ b/drivers/ide/ide-tape.c
@@ -1058,6 +1058,7 @@ static ide_startstop_t idetape_issue_pc(ide_drive_t *drive,
} else {
hwif->OUTBSYNC(drive, WIN_PACKETCMD,
hwif->io_ports.command_addr);
+ ndelay(400);
return idetape_transfer_pc(drive);
}
}
diff --git a/drivers/scsi/ide-scsi.c b/drivers/scsi/ide-scsi.c
index 8f716da5b7de0..8b1c783e259b2 100644
--- a/drivers/scsi/ide-scsi.c
+++ b/drivers/scsi/ide-scsi.c
@@ -576,6 +576,7 @@ static ide_startstop_t idescsi_issue_pc(ide_drive_t *drive,
/* Issue the packet command */
hwif->OUTBSYNC(drive, WIN_PACKETCMD,
hwif->io_ports.command_addr);
+ ndelay(400);
return idescsi_transfer_pc(drive);
}
}
--
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