linux-kernel - [PATCH 2/3] ide-{floppy,tape,scsi}: 400ns delay is required after executing the command

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Message-Id: <200804102226.48763.bzolnier@gmail.com>
Date:	Thu, 10 Apr 2008 22:26:48 +0200
From:	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
To:	linux-ide@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH 2/3] ide-{floppy,tape,scsi}: 400ns delay is required after executing the command

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
---
 drivers/ide/ide-floppy.c |    1 +
 drivers/ide/ide-tape.c   |    1 +
 drivers/scsi/ide-scsi.c  |    1 +
 3 files changed, 3 insertions(+)

Index: b/drivers/ide/ide-floppy.c
===================================================================
--- a/drivers/ide/ide-floppy.c
+++ b/drivers/ide/ide-floppy.c
@@ -698,6 +698,7 @@ static ide_startstop_t idefloppy_issue_p
 		/* Issue the packet command */
 		hwif->OUTBSYNC(drive, WIN_PACKETCMD,
 			       hwif->io_ports.command_addr);
+		ndelay(400);
 		return (*pkt_xfer_routine) (drive);
 	}
 }
Index: b/drivers/ide/ide-tape.c
===================================================================
--- a/drivers/ide/ide-tape.c
+++ b/drivers/ide/ide-tape.c
@@ -1058,6 +1058,7 @@ static ide_startstop_t idetape_issue_pc(
 	} else {
 		hwif->OUTBSYNC(drive, WIN_PACKETCMD,
 			       hwif->io_ports.command_addr);
+		ndelay(400);
 		return idetape_transfer_pc(drive);
 	}
 }
Index: b/drivers/scsi/ide-scsi.c
===================================================================
--- a/drivers/scsi/ide-scsi.c
+++ b/drivers/scsi/ide-scsi.c
@@ -576,6 +576,7 @@ static ide_startstop_t idescsi_issue_pc(
 		/* 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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