Commit 65a3309e authored by Borislav Petkov's avatar Borislav Petkov Committed by Bartlomiej Zolnierkiewicz
Browse files

ide-cd: remove handler wrappers



Remove cdrom_do_newpc_cont and cdrom_start_rw_cont wrappers and pass
cdrom_transfer_packet_command to ide_execute_command directly.

There should be no functionality change resulting from this patch.
Signed-off-by: default avatarBorislav Petkov <petkovbb@gmail.com>
[bart: don't move cdrom_start_packet_command() around, remove newlines]
Signed-off-by: default avatarBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
parent 563d9931
......@@ -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)
{
......@@ -723,20 +723,6 @@ static ide_startstop_t ide_cd_prepare_rw_request(ide_drive_t *drive,
return ide_started;
}
/*
* 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);
}
/*
......
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