siox: Provide a devm variant of siox_master_alloc()

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

Acked-by: Thorsten Scherer <[e-mail]>
Link: https://lore.kernel.org/r/ad141dd[e-mail]
Signed-off-by: Uwe Kleine-König <[e-mail]>

drivers/siox/siox-core.c

···
 }
 EXPORT_SYMBOL_GPL(siox_master_alloc);
 
+static void devm_siox_master_put(void *data)
+{
+	struct siox_master *smaster = data;
+
+	siox_master_put(smaster);
+}
+
+struct siox_master *devm_siox_master_alloc(struct device *dev,
+					   size_t size)
+{
+	struct siox_master *smaster;
+	int ret;
+
+	smaster = siox_master_alloc(dev, size);
+	if (!smaster)
+		return NULL;
+
+	ret = devm_add_action_or_reset(dev, devm_siox_master_put, smaster);
+	if (ret)
+		return NULL;
+
+	return smaster;
+}
+EXPORT_SYMBOL_GPL(devm_siox_master_alloc);
+
 int siox_master_register(struct siox_master *smaster)
 {
 	int ret;

drivers/siox/siox.h

···
 	put_device(&smaster->dev);
 }
 
+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);