From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
To: linux-ide@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Subject: [PATCH 2/3] ide-{floppy,tape,scsi}: 400ns delay is required after executing the command
Date: Thu, 10 Apr 2008 22:26:48 +0200 [thread overview]
Message-ID: <200804102226.48763.bzolnier@gmail.com> (raw)
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(+)
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);
}
}
reply other threads:[~2008-04-10 20:12 UTC|newest]
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