siox: Provide a devm variant of siox_master_alloc()
This allows to simplify siox master drivers in the next step.
Acked-by: Thorsten Scherer <t.scherer@eckelmann.de>
Link: https://lore.kernel.org/r/ad141dd22c7d95ad0bd347f257ce586e1afb22a4.1708328466.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
diff --git a/drivers/siox/siox-core.c b/drivers/siox/siox-core.c
index d4acab7..86ce2f3 100644
--- a/drivers/siox/siox-core.c
+++ b/drivers/siox/siox-core.c
@@ -707,6 +707,31 @@
}
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;
diff --git a/drivers/siox/siox.h b/drivers/siox/siox.h
index f08b43b..b227e18 100644
--- a/drivers/siox/siox.h
+++ b/drivers/siox/siox.h
@@ -45,5 +45,7 @@
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);
