diff options
Diffstat (limited to 'drivers/scsi/libata-core.c')
-rw-r--r-- | drivers/scsi/libata-core.c | 55 |
1 files changed, 28 insertions, 27 deletions
diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c index 425ab1493fd3..24d340aeb518 100644 --- a/drivers/scsi/libata-core.c +++ b/drivers/scsi/libata-core.c @@ -933,9 +933,9 @@ void ata_port_flush_task(struct ata_port *ap) DPRINTK("ENTER\n"); - spin_lock_irqsave(&ap->host_set->lock, flags); + spin_lock_irqsave(ap->lock, flags); ap->flags |= ATA_FLAG_FLUSH_PORT_TASK; - spin_unlock_irqrestore(&ap->host_set->lock, flags); + spin_unlock_irqrestore(ap->lock, flags); DPRINTK("flush #1\n"); flush_workqueue(ata_wq); @@ -950,9 +950,9 @@ void ata_port_flush_task(struct ata_port *ap) flush_workqueue(ata_wq); } - spin_lock_irqsave(&ap->host_set->lock, flags); + spin_lock_irqsave(ap->lock, flags); ap->flags &= ~ATA_FLAG_FLUSH_PORT_TASK; - spin_unlock_irqrestore(&ap->host_set->lock, flags); + spin_unlock_irqrestore(ap->lock, flags); DPRINTK("EXIT\n"); } @@ -999,11 +999,11 @@ unsigned ata_exec_internal(struct ata_device *dev, unsigned int err_mask; int rc; - spin_lock_irqsave(&ap->host_set->lock, flags); + spin_lock_irqsave(ap->lock, flags); /* no internal command while frozen */ if (ap->flags & ATA_FLAG_FROZEN) { - spin_unlock_irqrestore(&ap->host_set->lock, flags); + spin_unlock_irqrestore(ap->lock, flags); return AC_ERR_SYSTEM; } @@ -1052,14 +1052,14 @@ unsigned ata_exec_internal(struct ata_device *dev, ata_qc_issue(qc); - spin_unlock_irqrestore(&ap->host_set->lock, flags); + spin_unlock_irqrestore(ap->lock, flags); rc = wait_for_completion_timeout(&wait, ATA_TMOUT_INTERNAL); ata_port_flush_task(ap); if (!rc) { - spin_lock_irqsave(&ap->host_set->lock, flags); + spin_lock_irqsave(ap->lock, flags); /* We're racing with irq here. If we lose, the * following test prevents us from completing the qc @@ -1078,7 +1078,7 @@ unsigned ata_exec_internal(struct ata_device *dev, "qc timeout (cmd 0x%x)\n", command); } - spin_unlock_irqrestore(&ap->host_set->lock, flags); + spin_unlock_irqrestore(ap->lock, flags); } /* do post_internal_cmd */ @@ -1092,7 +1092,7 @@ unsigned ata_exec_internal(struct ata_device *dev, } /* finish up */ - spin_lock_irqsave(&ap->host_set->lock, flags); + spin_lock_irqsave(ap->lock, flags); *tf = qc->result_tf; err_mask = qc->err_mask; @@ -1118,7 +1118,7 @@ unsigned ata_exec_internal(struct ata_device *dev, ata_port_probe(ap); } - spin_unlock_irqrestore(&ap->host_set->lock, flags); + spin_unlock_irqrestore(ap->lock, flags); return err_mask; } @@ -3912,7 +3912,7 @@ static void ata_hsm_qc_complete(struct ata_queued_cmd *qc, int in_wq) if (ap->ops->error_handler) { if (in_wq) { - spin_lock_irqsave(&ap->host_set->lock, flags); + spin_lock_irqsave(ap->lock, flags); /* EH might have kicked in while host_set lock * is released. @@ -3926,7 +3926,7 @@ static void ata_hsm_qc_complete(struct ata_queued_cmd *qc, int in_wq) ata_port_freeze(ap); } - spin_unlock_irqrestore(&ap->host_set->lock, flags); + spin_unlock_irqrestore(ap->lock, flags); } else { if (likely(!(qc->err_mask & AC_ERR_HSM))) ata_qc_complete(qc); @@ -3935,10 +3935,10 @@ static void ata_hsm_qc_complete(struct ata_queued_cmd *qc, int in_wq) } } else { if (in_wq) { - spin_lock_irqsave(&ap->host_set->lock, flags); + spin_lock_irqsave(ap->lock, flags); ata_irq_on(ap); ata_qc_complete(qc); - spin_unlock_irqrestore(&ap->host_set->lock, flags); + spin_unlock_irqrestore(ap->lock, flags); } else ata_qc_complete(qc); } @@ -4018,7 +4018,7 @@ fsm_start: * hsm_task_state is changed. Hence, the following locking. */ if (in_wq) - spin_lock_irqsave(&ap->host_set->lock, flags); + spin_lock_irqsave(ap->lock, flags); if (qc->tf.protocol == ATA_PROT_PIO) { /* PIO data out protocol. @@ -4037,7 +4037,7 @@ fsm_start: atapi_send_cdb(ap, qc); if (in_wq) - spin_unlock_irqrestore(&ap->host_set->lock, flags); + spin_unlock_irqrestore(ap->lock, flags); /* if polling, ata_pio_task() handles the rest. * otherwise, interrupt handler takes over from here. @@ -5130,9 +5130,9 @@ void ata_dev_init(struct ata_device *dev) * requests which occur asynchronously. Synchronize using * host_set lock. */ - spin_lock_irqsave(&ap->host_set->lock, flags); + spin_lock_irqsave(ap->lock, flags); dev->flags &= ~ATA_DFLAG_INIT_MASK; - spin_unlock_irqrestore(&ap->host_set->lock, flags); + spin_unlock_irqrestore(ap->lock, flags); memset((void *)dev + ATA_DEVICE_CLEAR_OFFSET, 0, sizeof(*dev) - ATA_DEVICE_CLEAR_OFFSET); @@ -5167,6 +5167,7 @@ static void ata_host_init(struct ata_port *ap, struct Scsi_Host *host, host->unique_id = ata_unique_id++; host->max_cmd_len = 12; + ap->lock = &host_set->lock; ap->flags = ATA_FLAG_DISABLED; ap->id = host->unique_id; ap->host = host; @@ -5388,7 +5389,7 @@ int ata_device_add(const struct ata_probe_ent *ent) ata_port_probe(ap); /* kick EH for boot probing */ - spin_lock_irqsave(&ap->host_set->lock, flags); + spin_lock_irqsave(ap->lock, flags); ap->eh_info.probe_mask = (1 << ATA_MAX_DEVICES) - 1; ap->eh_info.action |= ATA_EH_SOFTRESET; @@ -5396,7 +5397,7 @@ int ata_device_add(const struct ata_probe_ent *ent) ap->flags |= ATA_FLAG_LOADING; ata_port_schedule_eh(ap); - spin_unlock_irqrestore(&ap->host_set->lock, flags); + spin_unlock_irqrestore(ap->lock, flags); /* wait for EH to finish */ ata_port_wait_eh(ap); @@ -5460,29 +5461,29 @@ void ata_port_detach(struct ata_port *ap) return; /* tell EH we're leaving & flush EH */ - spin_lock_irqsave(&ap->host_set->lock, flags); + spin_lock_irqsave(ap->lock, flags); ap->flags |= ATA_FLAG_UNLOADING; - spin_unlock_irqrestore(&ap->host_set->lock, flags); + spin_unlock_irqrestore(ap->lock, flags); ata_port_wait_eh(ap); /* EH is now guaranteed to see UNLOADING, so no new device * will be attached. Disable all existing devices. */ - spin_lock_irqsave(&ap->host_set->lock, flags); + spin_lock_irqsave(ap->lock, flags); for (i = 0; i < ATA_MAX_DEVICES; i++) ata_dev_disable(&ap->device[i]); - spin_unlock_irqrestore(&ap->host_set->lock, flags); + spin_unlock_irqrestore(ap->lock, flags); /* Final freeze & EH. All in-flight commands are aborted. EH * will be skipped and retrials will be terminated with bad * target. */ - spin_lock_irqsave(&ap->host_set->lock, flags); + spin_lock_irqsave(ap->lock, flags); ata_port_freeze(ap); /* won't be thawed */ - spin_unlock_irqrestore(&ap->host_set->lock, flags); + spin_unlock_irqrestore(ap->lock, flags); ata_port_wait_eh(ap); |