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authorJeff Skirvin <jeffrey.d.skirvin@intel.com>2011-10-27 15:05:27 -0700
committerJames Bottomley <JBottomley@Parallels.com>2011-10-31 13:20:28 +0400
commit5412e25c55fc0b08041a451d8bee6f2b291099c2 (patch)
tree2dbaa34c32c376f4a683338fceba0a78b5c3d00c /drivers/scsi
parent3b34c169f8197e02529fa3ec703703c2ce418c57 (diff)
downloadop-kernel-dev-5412e25c55fc0b08041a451d8bee6f2b291099c2.zip
op-kernel-dev-5412e25c55fc0b08041a451d8bee6f2b291099c2.tar.gz
[SCSI] isci: No need to manage the pending reset bit on pending requests.
The lldd does not need to look at or manage the pending device reset bit in pending sas_tasks. Signed-off-by: Jeff Skirvin <jeffrey.d.skirvin@intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi')
-rw-r--r--drivers/scsi/isci/remote_device.c35
-rw-r--r--drivers/scsi/isci/remote_device.h3
-rw-r--r--drivers/scsi/isci/task.c3
3 files changed, 1 insertions, 40 deletions
diff --git a/drivers/scsi/isci/remote_device.c b/drivers/scsi/isci/remote_device.c
index 9d9e33d..b207cd3 100644
--- a/drivers/scsi/isci/remote_device.c
+++ b/drivers/scsi/isci/remote_device.c
@@ -1438,38 +1438,3 @@ int isci_remote_device_found(struct domain_device *domain_dev)
return status == SCI_SUCCESS ? 0 : -ENODEV;
}
-
-/**
- * isci_device_clear_reset_pending() - This function will clear if any pending
- * reset condition flags on the device.
- * @request: This parameter is the isci_device object.
- *
- * true if there is a reset pending for the device.
- */
-void isci_device_clear_reset_pending(struct isci_host *ihost, struct isci_remote_device *idev)
-{
- struct isci_request *isci_request;
- struct isci_request *tmp_req;
- unsigned long flags = 0;
-
- dev_dbg(&ihost->pdev->dev, "%s: idev=%p, ihost=%p\n",
- __func__, idev, ihost);
-
- spin_lock_irqsave(&ihost->scic_lock, flags);
-
- /* Clear reset pending on all pending requests. */
- list_for_each_entry_safe(isci_request, tmp_req,
- &idev->reqs_in_process, dev_node) {
- dev_dbg(&ihost->pdev->dev, "%s: idev = %p request = %p\n",
- __func__, idev, isci_request);
-
- if (!test_bit(IREQ_TMF, &isci_request->flags)) {
- struct sas_task *task = isci_request_access_task(isci_request);
-
- spin_lock(&task->task_state_lock);
- task->task_state_flags &= ~SAS_TASK_NEED_DEV_RESET;
- spin_unlock(&task->task_state_lock);
- }
- }
- spin_unlock_irqrestore(&ihost->scic_lock, flags);
-}
diff --git a/drivers/scsi/isci/remote_device.h b/drivers/scsi/isci/remote_device.h
index bee6dd2..483ee501 100644
--- a/drivers/scsi/isci/remote_device.h
+++ b/drivers/scsi/isci/remote_device.h
@@ -132,8 +132,7 @@ void isci_remote_device_nuke_requests(struct isci_host *ihost,
struct isci_remote_device *idev);
void isci_remote_device_gone(struct domain_device *domain_dev);
int isci_remote_device_found(struct domain_device *domain_dev);
-void isci_device_clear_reset_pending(struct isci_host *ihost,
- struct isci_remote_device *idev);
+
/**
* sci_remote_device_stop() - This method will stop both transmission and
* reception of link activity for the supplied remote device. This method
diff --git a/drivers/scsi/isci/task.c b/drivers/scsi/isci/task.c
index 80e1a69..6d8ff15 100644
--- a/drivers/scsi/isci/task.c
+++ b/drivers/scsi/isci/task.c
@@ -1570,9 +1570,6 @@ static int isci_reset_device(struct isci_host *ihost,
}
spin_unlock_irqrestore(&ihost->scic_lock, flags);
- /* Make sure all pending requests are able to be fully terminated. */
- isci_device_clear_reset_pending(ihost, idev);
-
/* If this is a device on an expander, disable BCN processing. */
if (!scsi_is_sas_phy_local(phy))
set_bit(IPORT_BCN_BLOCKED, &iport->flags);
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