diff --git a/drivers/ata/libata-acpi.c b/drivers/ata/libata-acpi.c index 87f2f395d79a1f9a9cd3dbc81675f0d71ac6f2cd..cf4e7020adacde5e69881a21adb0c578d31d7a3e 100644 --- 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 diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index f2184276539d885d167c2048a305847b51e58417..adf002a3c584b3d2bd7fb27357df040a381f3b82 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -6148,6 +6148,8 @@ int ata_host_register(struct ata_host *host, struct scsi_host_template *sht) if (rc) goto err_tadd; + ata_acpi_hotplug_init(host); + /* set cable, sata_spd_limit and report */ for (i = 0; i < host->n_ports; i++) { struct ata_port *ap = host->ports[i]; diff --git a/drivers/ata/libata.h b/drivers/ata/libata.h index c949dd311b2ecd2e6d65e294409d24c4afea6eb7..577d902bc4deaa12d69d1acdc8aa304732163227 100644 --- a/drivers/ata/libata.h +++ b/drivers/ata/libata.h @@ -122,6 +122,7 @@ extern int ata_acpi_register(void); extern void ata_acpi_unregister(void); extern void ata_acpi_bind(struct ata_device *dev); extern void ata_acpi_unbind(struct ata_device *dev); +extern void ata_acpi_hotplug_init(struct ata_host *host); #else static inline void ata_acpi_dissociate(struct ata_host *host) { } static inline int ata_acpi_on_suspend(struct ata_port *ap) { return 0; } @@ -134,6 +135,7 @@ static inline int ata_acpi_register(void) { return 0; } static inline void ata_acpi_unregister(void) { } static inline void ata_acpi_bind(struct ata_device *dev) { } static inline void ata_acpi_unbind(struct ata_device *dev) { } +static inline void ata_acpi_hotplug_init(struct ata_host *host) {} #endif /* libata-scsi.c */