A-Team_Digital_Solutions/android_kernel_motorola_sm6375
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Merge from Linus' tree

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This commit is contained in:
Paul Mackerras 2005-10-12 14:43:32 +10:00
commit b6ec995a21
626 changed files with 23932 additions and 4578 deletions
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8
drivers/ide/ide-io.c
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@ -1101,6 +1101,7 @@ static void ide_do_request (ide_hwgroup_t *hwgroup, int masked_irq)
ide_hwif_t *hwif;
struct request *rq;
ide_startstop_t startstop;
int loops = 0;
/* for atari only: POSSIBLY BROKEN HERE(?) */
ide_get_lock(ide_intr, hwgroup);
@ -1153,6 +1154,7 @@ static void ide_do_request (ide_hwgroup_t *hwgroup, int masked_irq)
/* no more work for this hwgroup (for now) */
return;
}
again:
hwif = HWIF(drive);
if (hwgroup->hwif->sharing_irq &&
hwif != hwgroup->hwif &&
@ -1192,8 +1194,14 @@ static void ide_do_request (ide_hwgroup_t *hwgroup, int masked_irq)
* though. I hope that doesn't happen too much, hopefully not
* unless the subdriver triggers such a thing in its own PM
* state machine.
*
* We count how many times we loop here to make sure we service
* all drives in the hwgroup without looping for ever
*/
if (drive->blocked && !blk_pm_request(rq) && !(rq->flags & REQ_PREEMPT)) {
drive = drive->next ? drive->next : hwgroup->drive;
if (loops++ < 4 && !blk_queue_plugged(drive->queue))
goto again;
/* We clear busy, there should be no pending ATA command at this point. */
hwgroup->busy = 0;
break;