power: rk81x-battery: add debug message dump limit

[firefly-linux-kernel-4.4.55.git] / drivers / ata / libata-acpi.c

diff --git a/drivers/ata/libata-acpi.c b/drivers/ata/libata-acpi.c
index 87f2f395d79a1f9a9cd3dbc81675f0d71ac6f2cd..cf4e7020adacde5e69881a21adb0c578d31d7a3e 100644 (file)
--- a/drivers/ata/libata-acpi.c
+++ b/drivers/ata/libata-acpi.c
@@ -156,8 +156,10 @@ static void ata_acpi_handle_hotplug(struct ata_port *ap, struct ata_device *dev,
 
        spin_unlock_irqrestore(ap->lock, flags);
 
-       if (wait)
+       if (wait) {
                ata_port_wait_eh(ap);
+               flush_work(&ap->hotplug_task.work);
+       }
 }
 
 static void ata_acpi_dev_notify_dock(acpi_handle handle, u32 event, void *data)
@@ -214,6 +216,39 @@ static const struct acpi_dock_ops ata_acpi_ap_dock_ops = {
        .uevent = ata_acpi_ap_uevent,
 };
 
+void ata_acpi_hotplug_init(struct ata_host *host)
+{
+       int i;
+
+       for (i = 0; i < host->n_ports; i++) {
+               struct ata_port *ap = host->ports[i];
+               acpi_handle handle;
+               struct ata_device *dev;
+
+               if (!ap)
+                       continue;
+
+               handle = ata_ap_acpi_handle(ap);
+               if (handle) {
+                       /* we might be on a docking station */
+                       register_hotplug_dock_device(handle,
+                                                    &ata_acpi_ap_dock_ops, ap,
+                                                    NULL, NULL);
+               }
+
+               ata_for_each_dev(dev, &ap->link, ALL) {
+                       handle = ata_dev_acpi_handle(dev);
+                       if (!handle)
+                               continue;
+
+                       /* we might be on a docking station */
+                       register_hotplug_dock_device(handle,
+                                                    &ata_acpi_dev_dock_ops,
+                                                    dev, NULL, NULL);
+               }
+       }
+}
+
 /**
  * ata_acpi_dissociate - dissociate ATA host from ACPI objects
  * @host: target ATA host