diff options
Diffstat (limited to 'drivers/ide')
| -rw-r--r-- | drivers/ide/ide-cd.c | 49 |
1 files changed, 11 insertions, 38 deletions
diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c index 34981f578e2..1a7410f8824 100644 --- a/drivers/ide/ide-cd.c +++ b/drivers/ide/ide-cd.c @@ -511,6 +511,9 @@ end_request: return 1; } +static ide_startstop_t cdrom_transfer_packet_command(ide_drive_t *); +static ide_startstop_t cdrom_newpc_intr(ide_drive_t *); + /* * Set up the device registers for transferring a packet command on DEV, * expecting to later transfer XFERLEN bytes. HANDLER is the routine @@ -519,8 +522,7 @@ end_request: * called when the interrupt from the drive arrives. Otherwise, HANDLER * will be called immediately after the drive is prepared for the transfer. */ -static ide_startstop_t cdrom_start_packet_command(ide_drive_t *drive, - ide_handler_t *handler) +static ide_startstop_t cdrom_start_packet_command(ide_drive_t *drive) { ide_hwif_t *hwif = drive->hwif; struct request *rq = hwif->hwgroup->rq; @@ -544,13 +546,14 @@ static ide_startstop_t cdrom_start_packet_command(ide_drive_t *drive, drive->waiting_for_dma = 0; /* packet command */ - ide_execute_command(drive, ATA_CMD_PACKET, handler, + ide_execute_command(drive, ATA_CMD_PACKET, + cdrom_transfer_packet_command, ATAPI_WAIT_PC, ide_cd_expiry); return ide_started; } else { ide_execute_pkt_cmd(drive); - return (*handler) (drive); + return cdrom_transfer_packet_command(drive); } } @@ -561,11 +564,10 @@ static ide_startstop_t cdrom_start_packet_command(ide_drive_t *drive, * there's data ready. */ #define ATAPI_MIN_CDB_BYTES 12 -static ide_startstop_t cdrom_transfer_packet_command(ide_drive_t *drive, - struct request *rq, - ide_handler_t *handler) +static ide_startstop_t cdrom_transfer_packet_command(ide_drive_t *drive) { ide_hwif_t *hwif = drive->hwif; + struct request *rq = hwif->hwgroup->rq; int cmd_len; ide_startstop_t startstop; @@ -592,7 +594,7 @@ static ide_startstop_t cdrom_transfer_packet_command(ide_drive_t *drive, } /* arm the interrupt handler */ - ide_set_handler(drive, handler, rq->timeout, ide_cd_expiry); + ide_set_handler(drive, cdrom_newpc_intr, rq->timeout, ide_cd_expiry); /* ATAPI commands get padded out to 12 bytes minimum */ cmd_len = COMMAND_SIZE(rq->cmd[0]); @@ -680,8 +682,6 @@ static int ide_cd_check_transfer_size(ide_drive_t *drive, int len) return 1; } -static ide_startstop_t cdrom_newpc_intr(ide_drive_t *); - static ide_startstop_t ide_cd_prepare_rw_request(ide_drive_t *drive, struct request *rq) { @@ -724,20 +724,6 @@ static ide_startstop_t ide_cd_prepare_rw_request(ide_drive_t *drive, } /* - * Routine to send a read/write packet command to the drive. This is usually - * called directly from cdrom_start_{read,write}(). However, for drq_interrupt - * devices, it is called from an interrupt when the drive is ready to accept - * the command. - */ -static ide_startstop_t cdrom_start_rw_cont(ide_drive_t *drive) -{ - struct request *rq = drive->hwif->hwgroup->rq; - - /* send the command to the drive and return */ - return cdrom_transfer_packet_command(drive, rq, cdrom_newpc_intr); -} - -/* * Fix up a possibly partially-processed request so that we can start it over * entirely, or even put it back on the request queue. */ @@ -1126,13 +1112,6 @@ static ide_startstop_t cdrom_start_rw(ide_drive_t *drive, struct request *rq) return ide_started; } -static ide_startstop_t cdrom_do_newpc_cont(ide_drive_t *drive) -{ - struct request *rq = HWGROUP(drive)->rq; - - return cdrom_transfer_packet_command(drive, rq, cdrom_newpc_intr); -} - static void cdrom_do_block_pc(ide_drive_t *drive, struct request *rq) { @@ -1177,16 +1156,12 @@ static void cdrom_do_block_pc(ide_drive_t *drive, struct request *rq) static ide_startstop_t ide_cd_do_request(ide_drive_t *drive, struct request *rq, sector_t block) { - ide_handler_t *fn; - ide_debug_log(IDE_DBG_RQ, "Call %s, rq->cmd[0]: 0x%x, " "rq->cmd_type: 0x%x, block: %llu\n", __func__, rq->cmd[0], rq->cmd_type, (unsigned long long)block); if (blk_fs_request(rq)) { - fn = cdrom_start_rw_cont; - if (cdrom_start_rw(drive, rq) == ide_stopped) return ide_stopped; @@ -1194,8 +1169,6 @@ static ide_startstop_t ide_cd_do_request(ide_drive_t *drive, struct request *rq, return ide_stopped; } else if (blk_sense_request(rq) || blk_pc_request(rq) || rq->cmd_type == REQ_TYPE_ATA_PC) { - fn = cdrom_do_newpc_cont; - if (!rq->timeout) rq->timeout = ATAPI_WAIT_PC; @@ -1210,7 +1183,7 @@ static ide_startstop_t ide_cd_do_request(ide_drive_t *drive, struct request *rq, return ide_stopped; } - return cdrom_start_packet_command(drive, fn); + return cdrom_start_packet_command(drive); } /* |