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author | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2008-02-01 22:09:24 (GMT) |
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committer | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2008-02-01 22:09:24 (GMT) |
commit | 5c68429dfe8256c6069555e5851838f8e3175f78 (patch) | |
tree | b811bf03fea7007aeb0c1efc9a57ad055cd35786 /drivers/ide/ide-cd.c | |
parent | 53126b91274b1f2186b17c1f587c662ab74b631f (diff) | |
download | linux-fsl-qoriq-5c68429dfe8256c6069555e5851838f8e3175f78.tar.xz |
ide-cd: merge cdrom_select_speed() into ide_cdrom_select_speed()
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to 'drivers/ide/ide-cd.c')
-rw-r--r-- | drivers/ide/ide-cd.c | 66 |
1 files changed, 29 insertions, 37 deletions
diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c index d9128a9..d290e19 100644 --- a/drivers/ide/ide-cd.c +++ b/drivers/ide/ide-cd.c @@ -2017,38 +2017,6 @@ static int ide_cd_read_tochdr(ide_drive_t *drive, void *arg) return 0; } -/* 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, - struct request_sense *sense) -{ - struct cdrom_info *cd = drive->driver_data; - struct cdrom_device_info *cdi = &cd->devinfo; - struct request req; - cdrom_prepare_request(drive, &req); - - req.sense = sense; - if (speed == 0) - speed = 0xffff; /* set to max */ - else - speed *= 177; /* Nx to kbytes/s */ - - req.cmd[0] = GPCMD_SET_SPEED; - /* Read Drive speed in kbytes/second MSB */ - req.cmd[2] = (speed >> 8) & 0xff; - /* Read Drive speed in kbytes/second LSB */ - req.cmd[3] = speed & 0xff; - if ((cdi->mask & (CDC_CD_R | CDC_CD_RW | CDC_DVD_R)) != - (CDC_CD_R | CDC_CD_RW | CDC_DVD_R)) { - /* Write Drive speed in kbytes/second MSB */ - req.cmd[4] = (speed >> 8) & 0xff; - /* Write Drive speed in kbytes/second LSB */ - req.cmd[5] = speed & 0xff; - } - - return cdrom_queue_packet_command(drive, &req); -} - static int cdrom_get_toc_entry(ide_drive_t *drive, int track, struct atapi_toc_entry **ent) { @@ -2272,23 +2240,47 @@ static void ide_cdrom_update_speed(ide_drive_t *drive, u8 *buf) cd->max_speed = (maxspeed + (176/2)) / 176; } -static -int ide_cdrom_select_speed (struct cdrom_device_info *cdi, int speed) +/* + * ATAPI devices are free to select the speed you request or any slower + * rate. :-( Requesting too fast a speed will _not_ produce an error. + */ +static int ide_cdrom_select_speed(struct cdrom_device_info *cdi, int speed) { ide_drive_t *drive = cdi->handle; struct cdrom_info *cd = drive->driver_data; + struct request rq; struct request_sense sense; u8 buf[ATAPI_CAPABILITIES_PAGE_SIZE]; int stat; - if ((stat = cdrom_select_speed(drive, speed, &sense)) < 0) - return stat; + cdrom_prepare_request(drive, &rq); + + rq.sense = &sense; + + if (speed == 0) + speed = 0xffff; /* set to max */ + else + speed *= 177; /* Nx to kbytes/s */ + + rq.cmd[0] = GPCMD_SET_SPEED; + /* Read Drive speed in kbytes/second MSB/LSB */ + rq.cmd[2] = (speed >> 8) & 0xff; + rq.cmd[3] = speed & 0xff; + if ((cdi->mask & (CDC_CD_R | CDC_CD_RW | CDC_DVD_R)) != + (CDC_CD_R | CDC_CD_RW | CDC_DVD_R)) { + /* Write Drive speed in kbytes/second MSB/LSB */ + rq.cmd[4] = (speed >> 8) & 0xff; + rq.cmd[5] = speed & 0xff; + } + + stat = cdrom_queue_packet_command(drive, &rq); if (!ide_cdrom_get_capabilities(drive, buf)) { ide_cdrom_update_speed(drive, buf); cdi->speed = cd->current_speed; } - return 0; + + return 0; } /* |