[PATCH] libata-hp: update unload-unplug

Update unload unplug - driver unloading / PCI removal.  This is done
by ata_port_detach() which short-circuits EH, disables all devices and
freezes the port.  With this patch, EH and unloading/unplugging are
properly synchronized.

Signed-off-by: Tejun Heo <htejun@gmail.com>

1 files changed, 3 insertions, 7 deletions

diff --git a/drivers/scsi/ahci.c b/drivers/scsi/ahci.c
index afb3805f9e95..60f455bf3696 100644
--- a/drivers/scsi/ahci.c
+++ b/drivers/scsi/ahci.c
@@ -1389,21 +1389,17 @@ static void ahci_remove_one (struct pci_dev *pdev)
         struct device *dev = pci_dev_to_dev(pdev);
         struct ata_host_set *host_set = dev_get_drvdata(dev);
         struct ahci_host_priv *hpriv = host_set->private_data;
-        struct ata_port *ap;
         unsigned int i;
         int have_msi;
 
-        for (i = 0; i < host_set->n_ports; i++) {
-                ap = host_set->ports[i];
-
-                scsi_remove_host(ap->host);
-        }
+        for (i = 0; i < host_set->n_ports; i++)
+                ata_port_detach(host_set->ports[i]);
 
         have_msi = hpriv->flags & AHCI_FLAG_MSI;
         free_irq(host_set->irq, host_set);
 
         for (i = 0; i < host_set->n_ports; i++) {
-                ap = host_set->ports[i];
+                struct ata_port *ap = host_set->ports[i];
 
                 ata_scsi_release(ap->host);
                 scsi_host_put(ap->host);