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authorBorislav Petkov <petkovbb@googlemail.com>2009-04-08 14:12:51 +0200
committerBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2009-04-08 14:12:51 +0200
commit8e59bfde31e69fb1f630ec0efd24a50c5a51b0bf (patch)
tree216ccf55a754bcb6bfe35e68e0e83847067b41b4 /drivers/ide/ide-cd.c
parentcfd30daa0d6cbdb0bbc2bc40a10097231b23b204 (diff)
downloadop-kernel-dev-8e59bfde31e69fb1f630ec0efd24a50c5a51b0bf.zip
op-kernel-dev-8e59bfde31e69fb1f630ec0efd24a50c5a51b0bf.tar.gz
ide-cd: move status checking into the IRQ handler
There should be no functional change resulting from this patch. Signed-off-by: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to 'drivers/ide/ide-cd.c')
-rw-r--r--drivers/ide/ide-cd.c38
1 files changed, 16 insertions, 22 deletions
diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
index 35729a4..a4afd90 100644
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -271,29 +271,18 @@ static void ide_cd_complete_failed_rq(ide_drive_t *drive, struct request *rq)
* 1: if the request will be going through error recovery.
* 2: if the request should be ended.
*/
-static int cdrom_decode_status(ide_drive_t *drive, int good_stat, int *stat_ret)
+static int cdrom_decode_status(ide_drive_t *drive, u8 stat)
{
ide_hwif_t *hwif = drive->hwif;
struct request *rq = hwif->rq;
- int stat, err, sense_key;
-
- /* check for errors */
- stat = hwif->tp_ops->read_status(hwif);
-
- if (stat_ret)
- *stat_ret = stat;
-
- if (OK_STAT(stat, good_stat, BAD_R_STAT))
- return 0;
+ int err, sense_key;
/* get the IDE error register */
err = ide_read_error(drive);
sense_key = err >> 4;
- ide_debug_log(IDE_DBG_RQ, "stat: 0x%x, good_stat: 0x%x, cmd[0]: 0x%x, "
- "rq->cmd_type: 0x%x, err: 0x%x",
- stat, good_stat, rq->cmd[0], rq->cmd_type,
- err);
+ ide_debug_log(IDE_DBG_RQ, "cmd[0]: 0x%x, rq->cmd_type: 0x%x, err: 0x%x",
+ rq->cmd[0], rq->cmd_type, err);
if (blk_sense_request(rq)) {
/*
@@ -624,12 +613,12 @@ static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive)
struct ide_cmd *cmd = &hwif->cmd;
struct request *rq = hwif->rq;
ide_expiry_t *expiry = NULL;
- int dma_error = 0, dma, stat, thislen, uptodate = 0;
+ int dma_error = 0, dma, thislen, uptodate = 0;
int write = (rq_data_dir(rq) == WRITE) ? 1 : 0, rc, nsectors;
int sense = blk_sense_request(rq);
unsigned int timeout;
u16 len;
- u8 ireason;
+ u8 ireason, stat;
ide_debug_log(IDE_DBG_PC, "cmd[0]: 0x%x, write: 0x%x",
rq->cmd[0], write);
@@ -648,11 +637,16 @@ static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive)
}
}
- rc = cdrom_decode_status(drive, 0, &stat);
- if (rc) {
- if (rc == 2)
- goto out_end;
- return ide_stopped;
+ /* check status */
+ stat = hwif->tp_ops->read_status(hwif);
+
+ if (!OK_STAT(stat, 0, BAD_R_STAT)) {
+ rc = cdrom_decode_status(drive, stat);
+ if (rc) {
+ if (rc == 2)
+ goto out_end;
+ return ide_stopped;
+ }
}
/* using dma, transfer is complete now */
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