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Subject[PATCHv3 04/14] HSI: method to unregister clients from an hsi port
Date
This exports a method to unregister all clients from
an hsi port.

Signed-off-by: Sebastian Reichel <sre@kernel.org>
---
drivers/hsi/hsi.c | 10 ++++++++++
include/linux/hsi/hsi.h | 1 +
2 files changed, 11 insertions(+)

diff --git a/drivers/hsi/hsi.c b/drivers/hsi/hsi.c
index 749f7b5..e96a987 100644
--- a/drivers/hsi/hsi.c
+++ b/drivers/hsi/hsi.c
@@ -130,6 +130,16 @@ static void hsi_port_release(struct device *dev)
}

/**
+ * hsi_unregister_port - Unregister an HSI port
+ * @port: The HSI port to unregister
+ */
+void hsi_port_unregister_clients(struct hsi_port *port)
+{
+ device_for_each_child(&port->device, NULL, hsi_remove_client);
+}
+EXPORT_SYMBOL_GPL(hsi_port_unregister_clients);
+
+/**
* hsi_unregister_controller - Unregister an HSI controller
* @hsi: The HSI controller to register
*/
diff --git a/include/linux/hsi/hsi.h b/include/linux/hsi/hsi.h
index 0dca785..2b1912f 100644
--- a/include/linux/hsi/hsi.h
+++ b/include/linux/hsi/hsi.h
@@ -282,6 +282,7 @@ struct hsi_controller *hsi_alloc_controller(unsigned int n_ports, gfp_t flags);
void hsi_put_controller(struct hsi_controller *hsi);
int hsi_register_controller(struct hsi_controller *hsi);
void hsi_unregister_controller(struct hsi_controller *hsi);
+void hsi_port_unregister_clients(struct hsi_port *port);

static inline void hsi_controller_set_drvdata(struct hsi_controller *hsi,
void *data)
--
1.9.0


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