luck/tmp_suning_uos_patched
1
0
Fork 1
Code Issues Pull Requests Packages Projects Releases Wiki Activity

ide-cd: move status checking into the IRQ handler

Browse Source 
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>
This commit is contained in:
Borislav Petkov 2009-04-08 14:12:51 +02:00 committed by Bartlomiej Zolnierkiewicz
parent cfd30daa0d
commit 8e59bfde31
1 changed files with 16 additions and 22 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

38
drivers/ide/ide-cd.c
View File

@ -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 */