linux-kernel - [PATCHv4 04/13] HSI: method to unregister clients from an hsi port

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Message-Id: <1398452776-28638-5-git-send-email-sre@kernel.org>
Date:	Fri, 25 Apr 2014 21:06:07 +0200
From:	Sebastian Reichel <sre@...nel.org>
To:	Sebastian Reichel <sre@...g0.de>,
	Linus Walleij <linus.walleij@...aro.org>,
	Shubhrajyoti Datta <omaplinuxkernel@...il.com>,
	Carlos Chinea <cch.devel@...il.com>
Cc:	Tony Lindgren <tony@...mide.com>, Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Kumar Gala <galak@...eaurora.org>, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-omap@...r.kernel.org,
	Pali Rohár <pali.rohar@...il.com>,
	Ивайло Димитров 
	<freemangordon@....bg>,
	Joni Lapilainen <joni.lapilainen@...il.com>,
	Aaro Koskinen <aaro.koskinen@....fi>,
	Pavel Machek <pavel@....cz>, Sebastian Reichel <sre@...nel.org>
Subject: [PATCHv4 04/13] HSI: method to unregister clients from an hsi port

This exports a method to unregister all clients from
an hsi port.

Signed-off-by: Sebastian Reichel <sre@...nel.org>
Reviewed-by: Pavel Machek <pavel@....cz>
---
 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 39bfd5b..5a9f121 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)
-- 
1.9.2

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