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ide: remove ata_status_t and atapi_status_t

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Remove ata_status_t (unused) and atapi_status_t.

While at it:
* replace 'HWIF(drive)' by 'drive->hwif' (or just 'hwif' where possible)

Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Bartlomiej Zolnierkiewicz 2008-01-25 22:17:11 +01:00
parent 6a2144146a
commit 22c525b976
5 changed files with 37 additions and 85 deletions
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14
drivers/ide/ide-floppy.c
View file

@ -788,12 +788,12 @@ static void idefloppy_retry_pc (ide_drive_t *drive)
static ide_startstop_t idefloppy_pc_intr (ide_drive_t *drive)
{
idefloppy_floppy_t *floppy = drive->driver_data;
atapi_status_t status;
atapi_bcount_t bcount;
atapi_ireason_t ireason;
idefloppy_pc_t *pc = floppy->pc;
struct request *rq = pc->rq;
unsigned int temp;
u8 stat;
debug_log(KERN_INFO "ide-floppy: Reached %s interrupt handler\n",
__FUNCTION__);
@ -809,16 +809,16 @@ static ide_startstop_t idefloppy_pc_intr (ide_drive_t *drive)
}
/* Clear the interrupt */
status.all = HWIF(drive)->INB(IDE_STATUS_REG);
stat = drive->hwif->INB(IDE_STATUS_REG);
if (!status.b.drq) { /* No more interrupts */
if ((stat & DRQ_STAT) == 0) { /* No more interrupts */
debug_log(KERN_INFO "Packet command completed, %d bytes "
"transferred\n", pc->actually_transferred);
clear_bit(PC_DMA_IN_PROGRESS, &pc->flags);
local_irq_enable_in_hardirq();
if (status.b.check || test_bit(PC_DMA_ERROR, &pc->flags)) {
if ((stat & ERR_STAT) || test_bit(PC_DMA_ERROR, &pc->flags)) {
/* Error detected */
debug_log(KERN_INFO "ide-floppy: %s: I/O error\n",
drive->name);
@ -1632,14 +1632,14 @@ static int idefloppy_get_format_progress(ide_drive_t *drive, int __user *arg)
/* Else assume format_unit has finished, and we're
** at 0x10000 */
} else {
atapi_status_t status;
unsigned long flags;
u8 stat;
local_irq_save(flags);
status.all = HWIF(drive)->INB(IDE_STATUS_REG);
stat = drive->hwif->INB(IDE_STATUS_REG);
local_irq_restore(flags);
progress_indication = !status.b.dsc ? 0 : 0x10000;
progress_indication = ((stat & SEEK_STAT) == 0) ? 0 : 0x10000;
}
if (put_user(progress_indication, arg))
return (-EFAULT);

21
drivers/ide/ide-lib.c
View file

@ -562,27 +562,24 @@ static u8 ide_dump_ata_status(ide_drive_t *drive, const char *msg, u8 stat)
static u8 ide_dump_atapi_status(ide_drive_t *drive, const char *msg, u8 stat)
{
unsigned long flags;
atapi_status_t status;
atapi_error_t error;
status.all = stat;
error.all = 0;
local_irq_save(flags);
printk("%s: %s: status=0x%02x { ", drive->name, msg, stat);
if (status.b.bsy)
if (stat & BUSY_STAT)
printk("Busy ");
else {
if (status.b.drdy) printk("DriveReady ");
if (status.b.df) printk("DeviceFault ");
if (status.b.dsc) printk("SeekComplete ");
if (status.b.drq) printk("DataRequest ");
if (status.b.corr) printk("CorrectedError ");
if (status.b.idx) printk("Index ");
if (status.b.check) printk("Error ");
if (stat & READY_STAT) printk("DriveReady ");
if (stat & WRERR_STAT) printk("DeviceFault ");
if (stat & SEEK_STAT) printk("SeekComplete ");
if (stat & DRQ_STAT) printk("DataRequest ");
if (stat & ECC_STAT) printk("CorrectedError ");
if (stat & INDEX_STAT) printk("Index ");
if (stat & ERR_STAT) printk("Error ");
}
printk("}\n");
if (status.b.check && !status.b.bsy) {
if ((stat & (BUSY_STAT|ERR_STAT)) == ERR_STAT) {
error.all = HWIF(drive)->INB(IDE_ERROR_REG);
printk("%s: %s: error=0x%02x { ", drive->name, msg, error.all);
if (error.b.ili) printk("IllegalLengthIndication ");

34
drivers/ide/ide-tape.c
View file

@ -1848,15 +1848,14 @@ static ide_startstop_t idetape_pc_intr (ide_drive_t *drive)
{
ide_hwif_t *hwif = drive->hwif;
idetape_tape_t *tape = drive->driver_data;
atapi_status_t status;
atapi_bcount_t bcount;
atapi_ireason_t ireason;
idetape_pc_t *pc = tape->pc;
unsigned int temp;
#if SIMULATE_ERRORS
static int error_sim_count = 0;
#endif
u8 stat;
#if IDETAPE_DEBUG_LOG
if (tape->debug_level >= 4)
@ -1865,10 +1864,10 @@ static ide_startstop_t idetape_pc_intr (ide_drive_t *drive)
#endif /* IDETAPE_DEBUG_LOG */
/* Clear the interrupt */
status.all = HWIF(drive)->INB(IDE_STATUS_REG);
stat = hwif->INB(IDE_STATUS_REG);
if (test_bit(PC_DMA_IN_PROGRESS, &pc->flags)) {
if (HWIF(drive)->ide_dma_end(drive) || status.b.check) {
if (hwif->ide_dma_end(drive) || (stat & ERR_STAT)) {
/*
* A DMA error is sometimes expected. For example,
* if the tape is crossing a filemark during a
@ -1902,7 +1901,7 @@ static ide_startstop_t idetape_pc_intr (ide_drive_t *drive)
}
/* No more interrupts */
if (!status.b.drq) {
if ((stat & DRQ_STAT) == 0) {
#if IDETAPE_DEBUG_LOG
if (tape->debug_level >= 2)
printk(KERN_INFO "ide-tape: Packet command completed, %d bytes transferred\n", pc->actually_transferred);
@ -1917,12 +1916,13 @@ static ide_startstop_t idetape_pc_intr (ide_drive_t *drive)
(++error_sim_count % 100) == 0) {
printk(KERN_INFO "ide-tape: %s: simulating error\n",
tape->name);
status.b.check = 1;
stat |= ERR_STAT;
}
#endif
if (status.b.check && pc->c[0] == IDETAPE_REQUEST_SENSE_CMD)
status.b.check = 0;
if (status.b.check || test_bit(PC_DMA_ERROR, &pc->flags)) { /* Error detected */
if ((stat & ERR_STAT) && pc->c[0] == IDETAPE_REQUEST_SENSE_CMD)
stat &= ~ERR_STAT;
if ((stat & ERR_STAT) || test_bit(PC_DMA_ERROR, &pc->flags)) {
/* Error detected */
#if IDETAPE_DEBUG_LOG
if (tape->debug_level >= 1)
printk(KERN_INFO "ide-tape: %s: I/O error\n",
@ -1941,7 +1941,7 @@ static ide_startstop_t idetape_pc_intr (ide_drive_t *drive)
}
pc->error = 0;
if (test_bit(PC_WAIT_FOR_DSC, &pc->flags) &&
!status.b.dsc) {
(stat & SEEK_STAT) == 0) {
/* Media access command */
tape->dsc_polling_start = jiffies;
tape->dsc_polling_frequency = IDETAPE_DSC_MA_FAST;
@ -2285,11 +2285,11 @@ static ide_startstop_t idetape_media_access_finished (ide_drive_t *drive)
{
idetape_tape_t *tape = drive->driver_data;
idetape_pc_t *pc = tape->pc;
atapi_status_t status;
u8 stat;
status.all = HWIF(drive)->INB(IDE_STATUS_REG);
if (status.b.dsc) {
if (status.b.check) {
stat = drive->hwif->INB(IDE_STATUS_REG);
if (stat & SEEK_STAT) {
if (stat & ERR_STAT) {
/* Error detected */
if (pc->c[0] != IDETAPE_TEST_UNIT_READY_CMD)
printk(KERN_ERR "ide-tape: %s: I/O error, ",
@ -2407,7 +2407,7 @@ static ide_startstop_t idetape_do_request(ide_drive_t *drive,
idetape_tape_t *tape = drive->driver_data;
idetape_pc_t *pc = NULL;
struct request *postponed_rq = tape->postponed_rq;
atapi_status_t status;
u8 stat;
#if IDETAPE_DEBUG_LOG
#if 0
@ -2455,7 +2455,7 @@ static ide_startstop_t idetape_do_request(ide_drive_t *drive,
* If the tape is still busy, postpone our request and service
* the other device meanwhile.
*/
status.all = HWIF(drive)->INB(IDE_STATUS_REG);
stat = drive->hwif->INB(IDE_STATUS_REG);
if (!drive->dsc_overlap && !(rq->cmd[0] & REQ_IDETAPE_PC2))
set_bit(IDETAPE_IGNORE_DSC, &tape->flags);
@ -2471,7 +2471,7 @@ static ide_startstop_t idetape_do_request(ide_drive_t *drive,
tape->insert_speed = tape->insert_size / 1024 * HZ / (jiffies - tape->insert_time);
calculate_speeds(drive);
if (!test_and_clear_bit(IDETAPE_IGNORE_DSC, &tape->flags) &&
!status.b.dsc) {
(stat & SEEK_STAT) == 0) {
if (postponed_rq == NULL) {
tape->dsc_polling_start = jiffies;
tape->dsc_polling_frequency = tape->best_dsc_rw_frequency;

9
drivers/scsi/ide-scsi.c
View file

@ -398,11 +398,10 @@ static ide_startstop_t idescsi_pc_intr (ide_drive_t *drive)
idescsi_pc_t *pc=scsi->pc;
struct request *rq = pc->rq;
atapi_bcount_t bcount;
atapi_status_t status;
atapi_ireason_t ireason;
atapi_feature_t feature;
unsigned int temp;
u8 stat;
#if IDESCSI_DEBUG_LOG
printk (KERN_INFO "ide-scsi: Reached idescsi_pc_intr interrupt handler\n");
@ -427,14 +426,14 @@ static ide_startstop_t idescsi_pc_intr (ide_drive_t *drive)
feature.all = 0;
/* Clear the interrupt */
status.all = HWIF(drive)->INB(IDE_STATUS_REG);
stat = drive->hwif->INB(IDE_STATUS_REG);
if (!status.b.drq) {
if ((stat & DRQ_STAT) == 0) {
/* No more interrupts */
if (test_bit(IDESCSI_LOG_CMD, &scsi->log))
printk (KERN_INFO "Packet command completed, %d bytes transferred\n", pc->actually_transferred);
local_irq_enable_in_hardirq();
if (status.b.check)
if (stat & ERR_STAT)
rq->errors++;
idescsi_end_request (drive, 1, 0);
return ide_stopped;

44
include/linux/ide.h
View file

@ -365,50 +365,6 @@ typedef union {
} b;
} select_t, ata_select_t;
/*
* The ATA-IDE Status Register.
* The ATAPI Status Register.
*
* check : Error occurred
* idx : Index Error
* corr : Correctable error occurred
* drq : Data is request by the device
* dsc : Disk Seek Complete : ata
* : Media access command finished : atapi
* df : Device Fault : ata
* : Reserved : atapi
* drdy : Ready, Command Mode Capable : ata
* : Ignored for ATAPI commands : atapi
* bsy : Disk is Busy
* : The device has access to the command block
*/
typedef union {
unsigned all :8;
struct {
#if defined(__LITTLE_ENDIAN_BITFIELD)
unsigned check :1;
unsigned idx :1;
unsigned corr :1;
unsigned drq :1;
unsigned dsc :1;
unsigned df :1;
unsigned drdy :1;
unsigned bsy :1;
#elif defined(__BIG_ENDIAN_BITFIELD)
unsigned bsy :1;
unsigned drdy :1;
unsigned df :1;
unsigned dsc :1;
unsigned drq :1;
unsigned corr :1;
unsigned idx :1;
unsigned check :1;
#else
#error "Please fix <asm/byteorder.h>"
#endif
} b;
} ata_status_t, atapi_status_t;
/*
* ATAPI Feature Register
*