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path: root/drivers/scsi/libsas/sas_ata.c
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Diffstat (limited to 'drivers/scsi/libsas/sas_ata.c')
-rw-r--r--drivers/scsi/libsas/sas_ata.c47
1 files changed, 27 insertions, 20 deletions
diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.c
index ff1d612f6fb9..64a958a99f6a 100644
--- a/drivers/scsi/libsas/sas_ata.c
+++ b/drivers/scsi/libsas/sas_ata.c
@@ -176,7 +176,6 @@ qc_already_gone:
static unsigned int sas_ata_qc_issue(struct ata_queued_cmd *qc)
{
- unsigned long flags;
struct sas_task *task;
struct scatterlist *sg;
int ret = AC_ERR_SYSTEM;
@@ -187,10 +186,7 @@ static unsigned int sas_ata_qc_issue(struct ata_queued_cmd *qc)
struct Scsi_Host *host = sas_ha->core.shost;
struct sas_internal *i = to_sas_internal(host->transportt);
- /* TODO: audit callers to ensure they are ready for qc_issue to
- * unconditionally re-enable interrupts
- */
- local_irq_save(flags);
+ /* TODO: we should try to remove that unlock */
spin_unlock(ap->lock);
/* If the device fell off, no sense in issuing commands */
@@ -252,7 +248,6 @@ static unsigned int sas_ata_qc_issue(struct ata_queued_cmd *qc)
out:
spin_lock(ap->lock);
- local_irq_restore(flags);
return ret;
}
@@ -557,34 +552,46 @@ int sas_ata_init(struct domain_device *found_dev)
{
struct sas_ha_struct *ha = found_dev->port->ha;
struct Scsi_Host *shost = ha->core.shost;
+ struct ata_host *ata_host;
struct ata_port *ap;
int rc;
- ata_host_init(&found_dev->sata_dev.ata_host, ha->dev, &sas_sata_ops);
- ap = ata_sas_port_alloc(&found_dev->sata_dev.ata_host,
- &sata_port_info,
- shost);
+ ata_host = kzalloc(sizeof(*ata_host), GFP_KERNEL);
+ if (!ata_host) {
+ SAS_DPRINTK("ata host alloc failed.\n");
+ return -ENOMEM;
+ }
+
+ ata_host_init(ata_host, ha->dev, &sas_sata_ops);
+
+ ap = ata_sas_port_alloc(ata_host, &sata_port_info, shost);
if (!ap) {
SAS_DPRINTK("ata_sas_port_alloc failed.\n");
- return -ENODEV;
+ rc = -ENODEV;
+ goto free_host;
}
ap->private_data = found_dev;
ap->cbl = ATA_CBL_SATA;
ap->scsi_host = shost;
rc = ata_sas_port_init(ap);
- if (rc) {
- ata_sas_port_destroy(ap);
- return rc;
- }
- rc = ata_sas_tport_add(found_dev->sata_dev.ata_host.dev, ap);
- if (rc) {
- ata_sas_port_destroy(ap);
- return rc;
- }
+ if (rc)
+ goto destroy_port;
+
+ rc = ata_sas_tport_add(ata_host->dev, ap);
+ if (rc)
+ goto destroy_port;
+
+ found_dev->sata_dev.ata_host = ata_host;
found_dev->sata_dev.ap = ap;
return 0;
+
+destroy_port:
+ ata_sas_port_destroy(ap);
+free_host:
+ ata_host_put(ata_host);
+ return rc;
}
void sas_ata_task_abort(struct sas_task *task)