5 files changed, 37 insertions, 21 deletions

diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index c06e0ec1155..e0bda9ff89c 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -5936,29 +5936,31 @@ void ata_host_init(struct ata_host *host, struct device *dev,
         host->ops = ops;
 }
 
-int ata_port_probe(struct ata_port *ap)
+void __ata_port_probe(struct ata_port *ap)
 {
-        int rc = 0;
+        struct ata_eh_info *ehi = &ap->link.eh_info;
+        unsigned long flags;
 
-        /* probe */
-        if (ap->ops->error_handler) {
-                struct ata_eh_info *ehi = &ap->link.eh_info;
-                unsigned long flags;
+        /* kick EH for boot probing */
+        spin_lock_irqsave(ap->lock, flags);
 
-                /* kick EH for boot probing */
-                spin_lock_irqsave(ap->lock, flags);
+        ehi->probe_mask |= ATA_ALL_DEVICES;
+        ehi->action |= ATA_EH_RESET;
+        ehi->flags |= ATA_EHI_NO_AUTOPSY | ATA_EHI_QUIET;
 
-                ehi->probe_mask |= ATA_ALL_DEVICES;
-                ehi->action |= ATA_EH_RESET;
-                ehi->flags |= ATA_EHI_NO_AUTOPSY | ATA_EHI_QUIET;
+        ap->pflags &= ~ATA_PFLAG_INITIALIZING;
+        ap->pflags |= ATA_PFLAG_LOADING;
+        ata_port_schedule_eh(ap);
 
-                ap->pflags &= ~ATA_PFLAG_INITIALIZING;
-                ap->pflags |= ATA_PFLAG_LOADING;
-                ata_port_schedule_eh(ap);
+        spin_unlock_irqrestore(ap->lock, flags);
+}
 
-                spin_unlock_irqrestore(ap->lock, flags);
+int ata_port_probe(struct ata_port *ap)
+{
+        int rc = 0;
 
-                /* wait for EH to finish */
+        if (ap->ops->error_handler) {
+                __ata_port_probe(ap);
                 ata_port_wait_eh(ap);
         } else {
                 DPRINTK("ata%u: bus probe begin\n", ap->print_id);
diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c
index a9b28203800..c61316e9d2f 100644
--- a/drivers/ata/libata-eh.c
+++ b/drivers/ata/libata-eh.c
@@ -863,6 +863,7 @@ void ata_port_wait_eh(struct ata_port *ap)
                 goto retry;
         }
 }
+EXPORT_SYMBOL_GPL(ata_port_wait_eh);
 
 static int ata_eh_nr_in_flight(struct ata_port *ap)
 {
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index 508a60bfe5c..1ee00c8b5b0 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -3838,6 +3838,19 @@ void ata_sas_port_stop(struct ata_port *ap)
 }
 EXPORT_SYMBOL_GPL(ata_sas_port_stop);
 
+int ata_sas_async_port_init(struct ata_port *ap)
+{
+        int rc = ap->ops->port_start(ap);
+
+        if (!rc) {
+                ap->print_id = ata_print_id++;
+                __ata_port_probe(ap);
+        }
+
+        return rc;
+}
+EXPORT_SYMBOL_GPL(ata_sas_async_port_init);
+
 /**
  *      ata_sas_port_init - Initialize a SATA device
  *      @ap: SATA port to initialize
diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c
index 9691dd0966d..d8af325a6bd 100644
--- a/drivers/ata/libata-sff.c
+++ b/drivers/ata/libata-sff.c
@@ -720,13 +720,13 @@ static void ata_pio_sector(struct ata_queued_cmd *qc)
 
                 /* FIXME: use a bounce buffer */
                 local_irq_save(flags);
-                buf = kmap_atomic(page, KM_IRQ0);
+                buf = kmap_atomic(page);
 
                 /* do the actual data transfer */
                 ap->ops->sff_data_xfer(qc->dev, buf + offset, qc->sect_size,
                                        do_write);
 
-                kunmap_atomic(buf, KM_IRQ0);
+                kunmap_atomic(buf);
                 local_irq_restore(flags);
         } else {
                 buf = page_address(page);
@@ -865,13 +865,13 @@ next_sg:
 
                 /* FIXME: use bounce buffer */
                 local_irq_save(flags);
-                buf = kmap_atomic(page, KM_IRQ0);
+                buf = kmap_atomic(page);
 
                 /* do the actual data transfer */
                 consumed = ap->ops->sff_data_xfer(dev,  buf + offset,
                                                                 count, rw);
 
-                kunmap_atomic(buf, KM_IRQ0);
+                kunmap_atomic(buf);
                 local_irq_restore(flags);
         } else {
                 buf = page_address(page);
diff --git a/drivers/ata/libata.h b/drivers/ata/libata.h
index 814486d35c4..2e26fcaf635 100644
--- a/drivers/ata/libata.h
+++ b/drivers/ata/libata.h
@@ -105,6 +105,7 @@ extern int ata_cmd_ioctl(struct scsi_device *scsidev, void __user *arg);
 extern struct ata_port *ata_port_alloc(struct ata_host *host);
 extern const char *sata_spd_string(unsigned int spd);
 extern int ata_port_probe(struct ata_port *ap);
+extern void __ata_port_probe(struct ata_port *ap);
 
 /* libata-acpi.c */
 #ifdef CONFIG_ATA_ACPI
@@ -151,7 +152,6 @@ extern void ata_eh_acquire(struct ata_port *ap);
 extern void ata_eh_release(struct ata_port *ap);
 extern enum blk_eh_timer_return ata_scsi_timed_out(struct scsi_cmnd *cmd);
 extern void ata_scsi_error(struct Scsi_Host *host);
-extern void ata_port_wait_eh(struct ata_port *ap);
 extern void ata_eh_fastdrain_timerfn(unsigned long arg);
 extern void ata_qc_schedule_eh(struct ata_queued_cmd *qc);
 extern void ata_dev_disable(struct ata_device *dev);