[PATCH 32/63] ide-cd: use BCD2BIN()/BIN2BCD() macros from <linux/bcd.h>

From: Bartlomiej Zolnierkiewicz
Date: Wed Dec 19 2007 - 20:55:54 EST



Use BCD2BIN()/BIN2BCD() macros from <linux/bcd.h>
and remove the local bcd2bin()/bin2bcd() inlines.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@xxxxxxxxx>
---
+15 bytes :(
drivers/ide/ide-cd.c | 34 +++++++++++-----------------------
1 file changed, 11 insertions(+), 23 deletions(-)

Index: b/drivers/ide/ide-cd.c
===================================================================
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -46,6 +46,7 @@
#include <linux/ide.h>
#include <linux/completion.h>
#include <linux/mutex.h>
+#include <linux/bcd.h>

#include <scsi/scsi.h> /* For SCSI -> ATAPI command conversion */

@@ -1754,25 +1755,12 @@ ide_do_rw_cdrom (ide_drive_t *drive, str
* can also be NULL, in which case no sense information is returned.
*/

-static inline
-int bin2bcd (int x)
-{
- return (x%10) | ((x/10) << 4);
-}
-
-
-static inline
-int bcd2bin (int x)
-{
- return (x >> 4) * 10 + (x & 0x0f);
-}
-
static
void msf_from_bcd (struct atapi_msf *msf)
{
- msf->minute = bcd2bin (msf->minute);
- msf->second = bcd2bin (msf->second);
- msf->frame = bcd2bin (msf->frame);
+ msf->minute = BCD2BIN(msf->minute);
+ msf->second = BCD2BIN(msf->second);
+ msf->frame = BCD2BIN(msf->frame);
}

static inline
@@ -1999,8 +1987,8 @@ static int cdrom_read_toc(ide_drive_t *d
return stat;

if (info->cd_flags & IDE_CD_FLAG_TOCTRACKS_AS_BCD) {
- toc->hdr.first_track = bcd2bin(toc->hdr.first_track);
- toc->hdr.last_track = bcd2bin(toc->hdr.last_track);
+ toc->hdr.first_track = BCD2BIN(toc->hdr.first_track);
+ toc->hdr.last_track = BCD2BIN(toc->hdr.last_track);
}

ntracks = toc->hdr.last_track - toc->hdr.first_track + 1;
@@ -2037,8 +2025,8 @@ static int cdrom_read_toc(ide_drive_t *d
return stat;

if (info->cd_flags & IDE_CD_FLAG_TOCTRACKS_AS_BCD) {
- toc->hdr.first_track = bin2bcd(CDROM_LEADOUT);
- toc->hdr.last_track = bin2bcd(CDROM_LEADOUT);
+ toc->hdr.first_track = (u8)BIN2BCD(CDROM_LEADOUT);
+ toc->hdr.last_track = (u8)BIN2BCD(CDROM_LEADOUT);
} else {
toc->hdr.first_track = CDROM_LEADOUT;
toc->hdr.last_track = CDROM_LEADOUT;
@@ -2051,14 +2039,14 @@ static int cdrom_read_toc(ide_drive_t *d
toc->hdr.toc_length = ntohs (toc->hdr.toc_length);

if (info->cd_flags & IDE_CD_FLAG_TOCTRACKS_AS_BCD) {
- toc->hdr.first_track = bcd2bin(toc->hdr.first_track);
- toc->hdr.last_track = bcd2bin(toc->hdr.last_track);
+ toc->hdr.first_track = BCD2BIN(toc->hdr.first_track);
+ toc->hdr.last_track = BCD2BIN(toc->hdr.last_track);
}

for (i = 0; i <= ntracks; i++) {
if (info->cd_flags & IDE_CD_FLAG_TOCADDR_AS_BCD) {
if (info->cd_flags & IDE_CD_FLAG_TOCTRACKS_AS_BCD)
- toc->ent[i].track = bcd2bin(toc->ent[i].track);
+ toc->ent[i].track = BCD2BIN(toc->ent[i].track);
msf_from_bcd(&toc->ent[i].addr.msf);
}
toc->ent[i].addr.lba = msf_to_lba (toc->ent[i].addr.msf.minute,
--
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