From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
To: linux-ide@vger.kernel.org
Subject: [PATCH 12/20] ide: use wait_drive_not_busy() in drive_cmd_intr()
Date: Sun, 9 Dec 2007 22:15:45 +0100 [thread overview]
Message-ID: <200712092215.45956.bzolnier@gmail.com> (raw)
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---
drivers/ide/ide-io.c | 4 +---
drivers/ide/ide-taskfile.c | 2 +-
include/linux/ide.h | 2 ++
3 files changed, 4 insertions(+), 4 deletions(-)
Index: b/drivers/ide/ide-io.c
===================================================================
--- a/drivers/ide/ide-io.c
+++ b/drivers/ide/ide-io.c
@@ -640,7 +640,6 @@ static ide_startstop_t drive_cmd_intr (i
ide_hwif_t *hwif = HWIF(drive);
u8 *args = (u8 *) rq->buffer;
u8 stat = hwif->INB(IDE_STATUS_REG);
- int retries = 10;
local_irq_enable_in_hardirq();
if (rq->cmd_type == REQ_TYPE_ATA_CMD &&
@@ -649,8 +648,7 @@ static ide_startstop_t drive_cmd_intr (i
drive->io_32bit = 0;
hwif->ata_input_data(drive, &args[4], args[3] * SECTOR_WORDS);
drive->io_32bit = io_32bit;
- while (((stat = hwif->INB(IDE_STATUS_REG)) & BUSY_STAT) && retries--)
- udelay(100);
+ stat = wait_drive_not_busy(drive);
}
if (!OK_STAT(stat, READY_STAT, BAD_STAT))
Index: b/drivers/ide/ide-taskfile.c
===================================================================
--- a/drivers/ide/ide-taskfile.c
+++ b/drivers/ide/ide-taskfile.c
@@ -260,7 +260,7 @@ static ide_startstop_t task_no_data_intr
return ide_stopped;
}
-static u8 wait_drive_not_busy(ide_drive_t *drive)
+u8 wait_drive_not_busy(ide_drive_t *drive)
{
ide_hwif_t *hwif = HWIF(drive);
int retries;
Index: b/include/linux/ide.h
===================================================================
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -994,6 +994,8 @@ ide_startstop_t do_rw_taskfile(ide_drive
void task_end_request(ide_drive_t *, struct request *, u8);
+u8 wait_drive_not_busy(ide_drive_t *);
+
int ide_raw_taskfile(ide_drive_t *, ide_task_t *, u8 *, u16);
int ide_no_data_taskfile(ide_drive_t *, ide_task_t *);
next reply other threads:[~2007-12-09 21:21 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-12-09 21:15 Bartlomiej Zolnierkiewicz [this message]
2007-12-10 13:02 ` [PATCH 12/20] ide: use wait_drive_not_busy() in drive_cmd_intr() Sergei Shtylyov
2007-12-12 21:34 ` Bartlomiej Zolnierkiewicz
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