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author | Borislav Petkov <petkovbb@googlemail.com> | 2009-04-08 14:12:51 +0200 |
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committer | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2009-04-08 14:12:51 +0200 |
commit | 8e59bfde31e69fb1f630ec0efd24a50c5a51b0bf (patch) | |
tree | 216ccf55a754bcb6bfe35e68e0e83847067b41b4 /drivers/ide/ide-cd.c | |
parent | cfd30daa0d6cbdb0bbc2bc40a10097231b23b204 (diff) | |
download | linux-8e59bfde31e69fb1f630ec0efd24a50c5a51b0bf.tar.gz linux-8e59bfde31e69fb1f630ec0efd24a50c5a51b0bf.tar.bz2 linux-8e59bfde31e69fb1f630ec0efd24a50c5a51b0bf.zip |
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.c | 38 |
1 files changed, 16 insertions, 22 deletions
diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c index 35729a47f797..a4afd9082c4a 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 */ |