siox: Provide a devm variant of siox_master_register()

[linux-block.git] / drivers / siox / siox-core.c

diff --git a/drivers/siox/siox-core.c b/drivers/siox/siox-core.c
index 86ce2f3cde919c670d631ae0d641401762cafdeb..5be32e756d02f2e7b274a85627fd8efb6e3b9b3e 100644 (file)
--- a/drivers/siox/siox-core.c
+++ b/drivers/siox/siox-core.c
@@ -795,6 +795,25 @@ 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)