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authorBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2008-01-26 20:13:11 +0100
committerBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2008-01-26 20:13:11 +0100
commit2624565caacedd740fce7803fe2c162842aa5df4 (patch)
treefe177bad8d72bfefa138a3abd7f8c7b92f549169 /drivers/ide
parent4906f3b4cddc3e4d62955ed386598561f95602c0 (diff)
downloadop-kernel-dev-2624565caacedd740fce7803fe2c162842aa5df4.zip
op-kernel-dev-2624565caacedd740fce7803fe2c162842aa5df4.tar.gz
ide: use wait_drive_not_busy() in drive_cmd_intr() (take 2)
Use wait_drive_not_busy() in drive_cmd_intr(). v2: * Fix wait_drive_not_busy() comment (noticed by Sergei). Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to 'drivers/ide')
-rw-r--r--drivers/ide/ide-io.c4
-rw-r--r--drivers/ide/ide-taskfile.c5
2 files changed, 3 insertions, 6 deletions
diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c
index 0f3e2f4..513a568 100644
--- a/drivers/ide/ide-io.c
+++ b/drivers/ide/ide-io.c
@@ -640,7 +640,6 @@ static ide_startstop_t drive_cmd_intr (ide_drive_t *drive)
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 (ide_drive_t *drive)
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))
diff --git a/drivers/ide/ide-taskfile.c b/drivers/ide/ide-taskfile.c
index c34836c..b559bec 100644
--- a/drivers/ide/ide-taskfile.c
+++ b/drivers/ide/ide-taskfile.c
@@ -260,7 +260,7 @@ static ide_startstop_t task_no_data_intr(ide_drive_t *drive)
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;
@@ -268,8 +268,7 @@ static u8 wait_drive_not_busy(ide_drive_t *drive)
/*
* Last sector was transfered, wait until drive is ready.
- * This can take up to 10 usec, but we will wait max 1 ms
- * (drive_cmd_intr() waits that long).
+ * This can take up to 10 usec, but we will wait max 1 ms.
*/
for (retries = 0; retries < 100; retries++) {
if ((stat = hwif->INB(IDE_STATUS_REG)) & BUSY_STAT)
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