[PATCH 3/4] siox: Provide a devm variant of siox_master_register()

["Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>]

This allows to simplify siox master drivers in the next step.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
---
 drivers/siox/siox-core.c | 19 +++++++++++++++++++
 drivers/siox/siox.h      |  2 ++
 2 files changed, 21 insertions(+)

diff --git a/drivers/siox/siox-core.c b/drivers/siox/siox-core.c
index 9dd0bda03db3..8d7cb9e24efb 100644
--- a/drivers/siox/siox-core.c
+++ b/drivers/siox/siox-core.c
@@ -794,6 +794,25 @@ void siox_master_unregister(struct siox_master *smaster)
 }
 EXPORT_SYMBOL_GPL(siox_master_unregister);
 
+static void devm_siox_master_unregister(void *data)
+{
+	struct siox_master *smaster = data;
+
+	siox_master_unregister(smaster);
+}
+
+int devm_siox_master_register(struct device *dev, struct siox_master *smaster)
+{
+	int ret;
+
+	ret = siox_master_register(smaster);
+	if (ret)
+		return ret;
+
+	return devm_add_action_or_reset(dev, devm_siox_master_unregister, smaster);
+}
+EXPORT_SYMBOL_GPL(devm_siox_master_register);
+
 static struct siox_device *siox_device_add(struct siox_master *smaster,
 					   const char *type, size_t inbytes,
 					   size_t outbytes, u8 statustype)
diff --git a/drivers/siox/siox.h b/drivers/siox/siox.h
index b227e18b697a..513f2c8312f7 100644
--- a/drivers/siox/siox.h
+++ b/drivers/siox/siox.h
@@ -49,3 +49,5 @@ struct siox_master *devm_siox_master_alloc(struct device *dev, size_t size);
 
 int siox_master_register(struct siox_master *smaster);
 void siox_master_unregister(struct siox_master *smaster);
+
+int devm_siox_master_register(struct device *dev, struct siox_master *smaster);
-- 
2.43.0