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authorLinus Torvalds <torvalds@linux-foundation.org>2009-03-26 11:13:06 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-03-26 11:13:06 -0700
commitbc2fd381d8f9dbeb181f82286cdca1567e3d0def (patch)
treee03b088a8bc1052d8f851764d201a13366cb97ce /drivers/ide/ide-atapi.c
parent928a726b0e12184729900c076e13dbf1c511c96c (diff)
parent2ebe1d9efed5f232afc8d00901d0959c9814bce3 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6: (53 commits) ide: use try_to_identify() in ide_driveid_update() ide: clear drive IRQ after re-enabling local IRQs in ide_driveid_update() ide: sanitize SELECT_MASK() usage in ide_driveid_update() ide: classify device type in do_probe() ide: remove broken EXABYTENEST support ide: shorten timeout value in ide_driveid_update() ide: propagate AltStatus workarounds to ide_driveid_update() ide: fix kmalloc() failure handling in ide_driveid_update() mn10300: remove <asm/ide.h> frv: remove <asm/ide.h> ide: remove pciirq argument from ide_pci_setup_ports() ide: fix ->init_chipset method to return 'int' value ide: remove try_to_identify() wrapper ide: remove no longer needed IRQ auto-probing from try_to_identify() (v2) ide: remove no longer needed IRQ fallback code from hwif_init() amd74xx: remove no longer needed ->init_hwif method ide: remove no longer needed IDE_HFLAG[_FORCE]_LEGACY_IRQS ide: use ide_pci_is_in_compatibility_mode() in ide_pci_init_{one,two}() ide: use pci_get_legacy_ide_irq() in ide_pci_init_{one,two}() ide: handle IDE_HFLAG[_FORCE]_LEGACY_IRQS in ide_pci_init_{one,two}() ...
Diffstat (limited to 'drivers/ide/ide-atapi.c')
-rw-r--r--drivers/ide/ide-atapi.c41
1 files changed, 39 insertions, 2 deletions
diff --git a/drivers/ide/ide-atapi.c b/drivers/ide/ide-atapi.c
index e9d042dba0e..6adc5b4a440 100644
--- a/drivers/ide/ide-atapi.c
+++ b/drivers/ide/ide-atapi.c
@@ -149,7 +149,10 @@ static void ide_queue_pc_head(ide_drive_t *drive, struct gendisk *disk,
memcpy(rq->cmd, pc->c, 12);
if (drive->media == ide_tape)
rq->cmd[13] = REQ_IDETAPE_PC1;
- ide_do_drive_cmd(drive, rq);
+
+ drive->hwif->rq = NULL;
+
+ elv_add_request(drive->queue, rq, ELEVATOR_INSERT_FRONT, 0);
}
/*
@@ -297,6 +300,21 @@ int ide_cd_get_xferlen(struct request *rq)
}
EXPORT_SYMBOL_GPL(ide_cd_get_xferlen);
+void ide_read_bcount_and_ireason(ide_drive_t *drive, u16 *bcount, u8 *ireason)
+{
+ ide_task_t task;
+
+ memset(&task, 0, sizeof(task));
+ task.tf_flags = IDE_TFLAG_IN_LBAH | IDE_TFLAG_IN_LBAM |
+ IDE_TFLAG_IN_NSECT;
+
+ drive->hwif->tp_ops->tf_read(drive, &task);
+
+ *bcount = (task.tf.lbah << 8) | task.tf.lbam;
+ *ireason = task.tf.nsect & 3;
+}
+EXPORT_SYMBOL_GPL(ide_read_bcount_and_ireason);
+
/*
* This is the usual interrupt handler which will be called during a packet
* command. We will transfer some of the data (as requested by the drive)
@@ -456,6 +474,25 @@ next_irq:
return ide_started;
}
+static void ide_pktcmd_tf_load(ide_drive_t *drive, u32 tf_flags, u16 bcount)
+{
+ ide_hwif_t *hwif = drive->hwif;
+ ide_task_t task;
+ u8 dma = drive->dma;
+
+ memset(&task, 0, sizeof(task));
+ task.tf_flags = IDE_TFLAG_OUT_LBAH | IDE_TFLAG_OUT_LBAM |
+ IDE_TFLAG_OUT_FEATURE | tf_flags;
+ task.tf.feature = dma; /* Use PIO/DMA */
+ task.tf.lbam = bcount & 0xff;
+ task.tf.lbah = (bcount >> 8) & 0xff;
+
+ ide_tf_dump(drive->name, &task.tf);
+ hwif->tp_ops->set_irq(hwif, 1);
+ SELECT_MASK(drive, 0);
+ hwif->tp_ops->tf_load(drive, &task);
+}
+
static u8 ide_read_ireason(ide_drive_t *drive)
{
ide_task_t task;
@@ -629,7 +666,7 @@ ide_startstop_t ide_issue_pc(ide_drive_t *drive)
: WAIT_TAPE_CMD;
}
- ide_pktcmd_tf_load(drive, tf_flags, bcount, drive->dma);
+ ide_pktcmd_tf_load(drive, tf_flags, bcount);
/* Issue the packet command */
if (drive->atapi_flags & IDE_AFLAG_DRQ_INTERRUPT) {