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ide: remove atapi_ireason_t (take 3)

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Remove atapi_ireason_t.

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

v2:
* v1 had CD and IO bits reversed in many places.

* Use CD and IO defines from <linux/hdreg.h>.

v3:
* Fix incorrect "(ireason & IO) == test_bit()". (Noticed by Sergei)

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 22:17:12 +01:00
parent 790d123989
commit 8e7657ae0f
4 changed files with 33 additions and 60 deletions
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27
drivers/ide/ide-tape.c
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@@ -1847,14 +1847,13 @@ 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_ireason_t ireason;
idetape_pc_t *pc = tape->pc;
unsigned int temp;
#if SIMULATE_ERRORS
static int error_sim_count = 0;
#endif
u16 bcount;
u8 stat;
u8 stat, ireason;
#if IDETAPE_DEBUG_LOG
if (tape->debug_level >= 4)
@@ -1965,18 +1964,18 @@ static ide_startstop_t idetape_pc_intr (ide_drive_t *drive)
bcount = (hwif->INB(IDE_BCOUNTH_REG) << 8) |
hwif->INB(IDE_BCOUNTL_REG);
ireason.all = hwif->INB(IDE_IREASON_REG);
ireason = hwif->INB(IDE_IREASON_REG);
if (ireason.b.cod) {
if (ireason & CD) {
printk(KERN_ERR "ide-tape: CoD != 0 in idetape_pc_intr\n");
return ide_do_reset(drive);
}
if (ireason.b.io == test_bit(PC_WRITING, &pc->flags)) {
if (((ireason & IO) == IO) == test_bit(PC_WRITING, &pc->flags)) {
/* Hopefully, we will never get here */
printk(KERN_ERR "ide-tape: We wanted to %s, ",
ireason.b.io ? "Write":"Read");
(ireason & IO) ? "Write" : "Read");
printk(KERN_ERR "ide-tape: but the tape wants us to %s !\n",
ireason.b.io ? "Read":"Write");
(ireason & IO) ? "Read" : "Write");
return ide_do_reset(drive);
}
if (!test_bit(PC_WRITING, &pc->flags)) {
@@ -2070,28 +2069,28 @@ static ide_startstop_t idetape_transfer_pc(ide_drive_t *drive)
ide_hwif_t *hwif = drive->hwif;
idetape_tape_t *tape = drive->driver_data;
idetape_pc_t *pc = tape->pc;
atapi_ireason_t ireason;
int retries = 100;
ide_startstop_t startstop;
u8 ireason;
if (ide_wait_stat(&startstop,drive,DRQ_STAT,BUSY_STAT,WAIT_READY)) {
printk(KERN_ERR "ide-tape: Strange, packet command initiated yet DRQ isn't asserted\n");
return startstop;
}
ireason.all = hwif->INB(IDE_IREASON_REG);
while (retries-- && (!ireason.b.cod || ireason.b.io)) {
ireason = hwif->INB(IDE_IREASON_REG);
while (retries-- && ((ireason & CD) == 0 || (ireason & IO))) {
printk(KERN_ERR "ide-tape: (IO,CoD != (0,1) while issuing "
"a packet command, retrying\n");
udelay(100);
ireason.all = hwif->INB(IDE_IREASON_REG);
ireason = hwif->INB(IDE_IREASON_REG);
if (retries == 0) {
printk(KERN_ERR "ide-tape: (IO,CoD != (0,1) while "
"issuing a packet command, ignoring\n");
ireason.b.cod = 1;
ireason.b.io = 0;
ireason |= CD;
ireason &= ~IO;
}
}
if (!ireason.b.cod || ireason.b.io) {
if ((ireason & CD) == 0 || (ireason & IO)) {
printk(KERN_ERR "ide-tape: (IO,CoD) != (0,1) while issuing "
"a packet command\n");
return ide_do_reset(drive);