libata: implement ata_host_detach()
Implement ata_host_detach() which calls ata_port_detach() for each
port in the host and export it. ata_port_detach() is now internal and
thus un-exported. ata_host_detach() will be used as the 'deregister
from libata layer' function after devres conversion.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 781d095..a927c4c 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -5992,6 +5992,23 @@
}
/**
+ * ata_host_detach - Detach all ports of an ATA host
+ * @host: Host to detach
+ *
+ * Detach all ports of @host.
+ *
+ * LOCKING:
+ * Kernel thread context (may sleep).
+ */
+void ata_host_detach(struct ata_host *host)
+{
+ int i;
+
+ for (i = 0; i < host->n_ports; i++)
+ ata_port_detach(host->ports[i]);
+}
+
+/**
* ata_host_remove - PCI layer callback for device removal
* @host: ATA host set that was removed
*
@@ -6006,8 +6023,7 @@
{
unsigned int i;
- for (i = 0; i < host->n_ports; i++)
- ata_port_detach(host->ports[i]);
+ ata_host_detach(host);
free_irq(host->irq, host);
if (host->irq2)
@@ -6382,7 +6398,7 @@
EXPORT_SYMBOL_GPL(ata_std_ports);
EXPORT_SYMBOL_GPL(ata_host_init);
EXPORT_SYMBOL_GPL(ata_device_add);
-EXPORT_SYMBOL_GPL(ata_port_detach);
+EXPORT_SYMBOL_GPL(ata_host_detach);
EXPORT_SYMBOL_GPL(ata_host_remove);
EXPORT_SYMBOL_GPL(ata_sg_init);
EXPORT_SYMBOL_GPL(ata_sg_init_one);