diff options
| -rw-r--r-- | drivers/ide/ide-cd.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c index f02ddc5b3b1..0f6d2e065b9 100644 --- a/drivers/ide/ide-cd.c +++ b/drivers/ide/ide-cd.c @@ -2416,19 +2416,20 @@ int ide_cdrom_get_capabilities(ide_drive_t *drive, struct atapi_capabilities_pag static void ide_cdrom_update_speed (ide_drive_t *drive, struct atapi_capabilities_page *cap) { + u16 curspeed, maxspeed; + /* The ACER/AOpen 24X cdrom has the speed fields byte-swapped */ if (!drive->id->model[0] && !strncmp(drive->id->fw_rev, "241N", 4)) { - CDROM_STATE_FLAGS(drive)->current_speed = - (le16_to_cpu(cap->curspeed) + (176/2)) / 176; - CDROM_CONFIG_FLAGS(drive)->max_speed = - (le16_to_cpu(cap->maxspeed) + (176/2)) / 176; + curspeed = le16_to_cpu(cap->curspeed); + maxspeed = le16_to_cpu(cap->maxspeed); } else { - CDROM_STATE_FLAGS(drive)->current_speed = - (be16_to_cpu(cap->curspeed) + (176/2)) / 176; - CDROM_CONFIG_FLAGS(drive)->max_speed = - (be16_to_cpu(cap->maxspeed) + (176/2)) / 176; + curspeed = be16_to_cpu(cap->curspeed); + maxspeed = be16_to_cpu(cap->maxspeed); } + + CDROM_STATE_FLAGS(drive)->current_speed = (curspeed + (176/2)) / 176; + CDROM_CONFIG_FLAGS(drive)->max_speed = (maxspeed + (176/2)) / 176; } static |