From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bartlomiej Zolnierkiewicz Subject: [PATCH 41/63] ide-cd: move lba_to_msf() and msf_to_lba() to Date: Thu, 20 Dec 2007 02:24:16 +0100 Message-ID: <200712200224.16183.bzolnier@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Return-path: Received: from ug-out-1314.google.com ([66.249.92.172]:12071 "EHLO ug-out-1314.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758866AbXLTBeq (ORCPT ); Wed, 19 Dec 2007 20:34:46 -0500 Received: by ug-out-1314.google.com with SMTP id z38so389250ugc.16 for ; Wed, 19 Dec 2007 17:34:45 -0800 (PST) Content-Disposition: inline Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: linux-ide@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Jens Axboe * Move lba_to_msf() and msf_to_lba() to (use 'u8' type instead of 'byte' while at it). * Remove msf_to_lba() copy from drivers/cdrom/cdrom.c. Cc: Jens Axboe Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/cdrom/cdrom.c | 6 ------ drivers/ide/ide-cd.c | 18 ------------------ include/linux/cdrom.h | 14 ++++++++++++++ 3 files changed, 14 insertions(+), 24 deletions(-) Index: b/drivers/cdrom/cdrom.c =================================================================== --- a/drivers/cdrom/cdrom.c +++ b/drivers/cdrom/cdrom.c @@ -2787,12 +2787,6 @@ int cdrom_ioctl(struct file * file, stru return -ENOSYS; } -static inline -int msf_to_lba(char m, char s, char f) -{ - return (((m * CD_SECS) + s) * CD_FRAMES + f) - CD_MSF_OFFSET; -} - /* * Required when we need to use READ_10 to issue other than 2048 block * reads Index: b/drivers/ide/ide-cd.c =================================================================== --- a/drivers/ide/ide-cd.c +++ b/drivers/ide/ide-cd.c @@ -1643,24 +1643,6 @@ void msf_from_bcd (struct atapi_msf *msf msf->frame = BCD2BIN(msf->frame); } -static inline -void lba_to_msf (int lba, byte *m, byte *s, byte *f) -{ - lba += CD_MSF_OFFSET; - lba &= 0xffffff; /* negative lbas use only 24 bits */ - *m = lba / (CD_SECS * CD_FRAMES); - lba %= (CD_SECS * CD_FRAMES); - *s = lba / CD_FRAMES; - *f = lba % CD_FRAMES; -} - - -static inline -int msf_to_lba (byte m, byte s, byte f) -{ - return (((m * CD_SECS) + s) * CD_FRAMES + f) - CD_MSF_OFFSET; -} - static int cdrom_check_status(ide_drive_t *drive, struct request_sense *sense) { struct request req; Index: b/include/linux/cdrom.h =================================================================== --- a/include/linux/cdrom.h +++ b/include/linux/cdrom.h @@ -1184,6 +1184,20 @@ struct media_event_desc { extern int cdrom_get_media_event(struct cdrom_device_info *cdi, struct media_event_desc *med); +static inline void lba_to_msf(int lba, u8 *m, u8 *s, u8 *f) +{ + lba += CD_MSF_OFFSET; + lba &= 0xffffff; /* negative lbas use only 24 bits */ + *m = lba / (CD_SECS * CD_FRAMES); + lba %= (CD_SECS * CD_FRAMES); + *s = lba / CD_FRAMES; + *f = lba % CD_FRAMES; +} + +static inline int msf_to_lba(u8 m, u8 s, u8 f) +{ + return (((m * CD_SECS) + s) * CD_FRAMES + f) - CD_MSF_OFFSET; +} #endif /* End of kernel only stuff */ #endif /* _LINUX_CDROM_H */