Signed-off-by: Bartlomiej Zolnierkiewicz <[email protected]>
---
-19 bytes
drivers/ide/ide-cd.c | 53 ++++++++++++++++++++-------------------------------
1 file changed, 21 insertions(+), 32 deletions(-)
Index: b/drivers/ide/ide-cd.c
===================================================================
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -1996,25 +1996,6 @@ static int ide_cd_read_tochdr(ide_drive_
return 0;
}
-static int cdrom_read_subchannel(ide_drive_t *drive, int format, char *buf,
- int buflen, struct request_sense *sense)
-{
- struct request req;
-
- cdrom_prepare_request(drive, &req);
-
- req.sense = sense;
- req.data = buf;
- req.data_len = buflen;
- req.cmd[0] = GPCMD_READ_SUBCHANNEL;
- req.cmd[1] = 2; /* MSF addressing */
- req.cmd[2] = 0x40; /* request subQ data */
- req.cmd[3] = format;
- req.cmd[7] = (buflen >> 8);
- req.cmd[8] = (buflen & 0xff);
- return cdrom_queue_packet_command(drive, &req);
-}
-
/* ATAPI cdrom drives are free to select the speed you request or any slower
rate :-( Requesting too fast a speed will _not_ produce an error. */
static int cdrom_select_speed(ide_drive_t *drive, int speed,
@@ -2356,28 +2337,36 @@ int ide_cdrom_get_last_session (struct c
return 0;
}
-static
-int ide_cdrom_get_mcn (struct cdrom_device_info *cdi,
- struct cdrom_mcn *mcn_info)
+static int ide_cdrom_get_mcn(struct cdrom_device_info *cdi,
+ struct cdrom_mcn *mcn_info)
{
- int stat;
- char mcnbuf[24];
ide_drive_t *drive = cdi->handle;
+ int stat, mcnlen;
+ struct request rq;
+ char buf[24];
+
+ cdrom_prepare_request(drive, &rq);
+
+ rq.data = buf;
+ rq.data_len = sizeof(buf);
-/* get MCN */
- if ((stat = cdrom_read_subchannel(drive, 2, mcnbuf, sizeof (mcnbuf), NULL)))
+ rq.cmd[0] = GPCMD_READ_SUBCHANNEL;
+ rq.cmd[1] = 2; /* MSF addressing */
+ rq.cmd[2] = 0x40; /* request subQ data */
+ rq.cmd[3] = 2; /* format */
+ rq.cmd[8] = sizeof(buf);
+
+ stat = cdrom_queue_packet_command(drive, &rq);
+ if (stat)
return stat;
- memcpy (mcn_info->medium_catalog_number, mcnbuf+9,
- sizeof (mcn_info->medium_catalog_number)-1);
- mcn_info->medium_catalog_number[sizeof (mcn_info->medium_catalog_number)-1]
- = '\0';
+ mcnlen = sizeof(mcn_info->medium_catalog_number) - 1;
+ memcpy(mcn_info->medium_catalog_number, buf + 9, mcnlen);
+ mcn_info->medium_catalog_number[mcnlen] = '\0';
return 0;
}
-
-
/****************************************************************************
* Other driver requests (open, close, check media change).
*/
--
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