aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/ide/ide-cd.c
diff options
context:
space:
mode:
authorBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2009-06-13 12:00:54 +0200
committerBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2009-06-13 12:00:54 +0200
commit8dcce4081305d3d1629190edd112e6473c315cbc (patch)
tree343c7167f6a3d2a77b01d50cf54c67bdd6faccd1 /drivers/ide/ide-cd.c
parentf3ad116588151b3371ae4e092290e4f48e62b8bb (diff)
parent103f7033bd0f7b65ff3e0a5ea72449d08010b031 (diff)
Merge branch 'bp-remove-pc-buf' into for-next
Conflicts: drivers/ide/ide-tape.c
Diffstat (limited to 'drivers/ide/ide-cd.c')
-rw-r--r--drivers/ide/ide-cd.c68
1 files changed, 11 insertions, 57 deletions
diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
index 424140c6c400..dcd72445b0cd 100644
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -92,16 +92,16 @@ static void cdrom_saw_media_change(ide_drive_t *drive)
drive->atapi_flags &= ~IDE_AFLAG_TOC_VALID;
}
-static int cdrom_log_sense(ide_drive_t *drive, struct request *rq,
- struct request_sense *sense)
+static int cdrom_log_sense(ide_drive_t *drive, struct request *rq)
{
+ struct request_sense *sense = &drive->sense_data;
int log = 0;
- ide_debug_log(IDE_DBG_SENSE, "sense_key: 0x%x", sense->sense_key);
-
if (!sense || !rq || (rq->cmd_flags & REQ_QUIET))
return 0;
+ ide_debug_log(IDE_DBG_SENSE, "sense_key: 0x%x", sense->sense_key);
+
switch (sense->sense_key) {
case NO_SENSE:
case RECOVERED_ERROR:
@@ -140,12 +140,12 @@ static int cdrom_log_sense(ide_drive_t *drive, struct request *rq,
}
static void cdrom_analyze_sense_data(ide_drive_t *drive,
- struct request *failed_command,
- struct request_sense *sense)
+ struct request *failed_command)
{
+ struct request_sense *sense = &drive->sense_data;
+ struct cdrom_info *info = drive->driver_data;
unsigned long sector;
unsigned long bio_sectors;
- struct cdrom_info *info = drive->driver_data;
ide_debug_log(IDE_DBG_SENSE, "error_code: 0x%x, sense_key: 0x%x",
sense->error_code, sense->sense_key);
@@ -154,7 +154,7 @@ static void cdrom_analyze_sense_data(ide_drive_t *drive,
ide_debug_log(IDE_DBG_SENSE, "failed cmd: 0x%x",
failed_command->cmd[0]);
- if (!cdrom_log_sense(drive, failed_command, sense))
+ if (!cdrom_log_sense(drive, failed_command))
return;
/*
@@ -225,15 +225,14 @@ static void ide_cd_complete_failed_rq(ide_drive_t *drive, struct request *rq)
* sense pointer set.
*/
memcpy(failed->sense, sense, 18);
- sense = failed->sense;
failed->sense_len = rq->sense_len;
}
- cdrom_analyze_sense_data(drive, failed, sense);
+ cdrom_analyze_sense_data(drive, failed);
if (ide_end_rq(drive, failed, -EIO, blk_rq_bytes(failed)))
BUG();
} else
- cdrom_analyze_sense_data(drive, NULL, sense);
+ cdrom_analyze_sense_data(drive, NULL);
}
@@ -410,50 +409,6 @@ end_request:
return 2;
}
-/*
- * Check the contents of the interrupt reason register from the cdrom
- * and attempt to recover if there are problems. Returns 0 if everything's
- * ok; nonzero if the request has been terminated.
- */
-static int ide_cd_check_ireason(ide_drive_t *drive, struct request *rq,
- int len, int ireason, int rw)
-{
- ide_hwif_t *hwif = drive->hwif;
-
- ide_debug_log(IDE_DBG_FUNC, "ireason: 0x%x, rw: 0x%x", ireason, rw);
-
- /*
- * ireason == 0: the drive wants to receive data from us
- * ireason == 2: the drive is expecting to transfer data to us
- */
- if (ireason == (!rw << 1))
- return 0;
- else if (ireason == (rw << 1)) {
-
- /* whoops... */
- printk(KERN_ERR PFX "%s: %s: wrong transfer direction!\n",
- drive->name, __func__);
-
- ide_pad_transfer(drive, rw, len);
- } else if (rw == 0 && ireason == 1) {
- /*
- * Some drives (ASUS) seem to tell us that status info is
- * available. Just get it and ignore.
- */
- (void)hwif->tp_ops->read_status(hwif);
- return 0;
- } else {
- /* drive wants a command packet, or invalid ireason... */
- printk(KERN_ERR PFX "%s: %s: bad interrupt reason 0x%02x\n",
- drive->name, __func__, ireason);
- }
-
- if (rq->cmd_type == REQ_TYPE_ATA_PC)
- rq->cmd_flags |= REQ_FAILED;
-
- return -1;
-}
-
static void ide_cd_request_sense_fixup(ide_drive_t *drive, struct ide_cmd *cmd)
{
struct request *rq = cmd->rq;
@@ -645,8 +600,7 @@ static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive)
goto out_end;
}
- /* check which way to transfer data */
- rc = ide_cd_check_ireason(drive, rq, len, ireason, write);
+ rc = ide_check_ireason(drive, rq, len, ireason, write);
if (rc)
goto out_end;

Privacy Policy