#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 */
 
  * 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
                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;
                        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;
        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,