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

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