linux-kernel - [PATCH v5 01/17] soundwire: renames to prepare support for master drivers/devices

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Date:   Tue, 17 Dec 2019 15:02:58 -0600
From:   Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
To:     alsa-devel@...a-project.org
Cc:     linux-kernel@...r.kernel.org, tiwai@...e.de, broonie@...nel.org,
        vkoul@...nel.org, gregkh@...uxfoundation.org, jank@...ence.com,
        srinivas.kandagatla@...aro.org, slawomir.blauciak@...el.com,
        Bard liao <yung-chuan.liao@...ux.intel.com>,
        Rander Wang <rander.wang@...ux.intel.com>,
        Ranjani Sridharan <ranjani.sridharan@...ux.intel.com>,
        Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>,
        Sanyog Kale <sanyog.r.kale@...el.com>
Subject: [PATCH v5 01/17] soundwire: renames to prepare support for master drivers/devices

Add clearer references to sdw_slave_driver for internal macros

No change for sdw_driver and module_sdw_driver to avoid compatibility
issues with existing codec devices

No functionality change.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
---
 drivers/soundwire/bus_type.c       | 21 +++++++++++----------
 include/linux/soundwire/sdw_type.h | 18 ++++++++++--------
 2 files changed, 21 insertions(+), 18 deletions(-)

diff --git a/drivers/soundwire/bus_type.c b/drivers/soundwire/bus_type.c
index 4a465f55039f..370b94752662 100644
--- a/drivers/soundwire/bus_type.c
+++ b/drivers/soundwire/bus_type.c
@@ -34,7 +34,7 @@ sdw_get_device_id(struct sdw_slave *slave, struct sdw_driver *drv)
 static int sdw_bus_match(struct device *dev, struct device_driver *ddrv)
 {
 	struct sdw_slave *slave = dev_to_sdw_dev(dev);
-	struct sdw_driver *drv = drv_to_sdw_driver(ddrv);
+	struct sdw_driver *drv = drv_to_sdw_slave_driver(ddrv);
 
 	return !!sdw_get_device_id(slave, drv);
 }
@@ -70,7 +70,7 @@ EXPORT_SYMBOL_GPL(sdw_bus_type);
 static int sdw_drv_probe(struct device *dev)
 {
 	struct sdw_slave *slave = dev_to_sdw_dev(dev);
-	struct sdw_driver *drv = drv_to_sdw_driver(dev->driver);
+	struct sdw_driver *drv = drv_to_sdw_slave_driver(dev->driver);
 	const struct sdw_device_id *id;
 	int ret;
 
@@ -116,7 +116,7 @@ static int sdw_drv_probe(struct device *dev)
 static int sdw_drv_remove(struct device *dev)
 {
 	struct sdw_slave *slave = dev_to_sdw_dev(dev);
-	struct sdw_driver *drv = drv_to_sdw_driver(dev->driver);
+	struct sdw_driver *drv = drv_to_sdw_slave_driver(dev->driver);
 	int ret = 0;
 
 	if (drv->remove)
@@ -130,20 +130,21 @@ static int sdw_drv_remove(struct device *dev)
 static void sdw_drv_shutdown(struct device *dev)
 {
 	struct sdw_slave *slave = dev_to_sdw_dev(dev);
-	struct sdw_driver *drv = drv_to_sdw_driver(dev->driver);
+	struct sdw_driver *drv = drv_to_sdw_slave_driver(dev->driver);
 
 	if (drv->shutdown)
 		drv->shutdown(slave);
 }
 
 /**
- * __sdw_register_driver() - register a SoundWire Slave driver
+ * __sdw_register_slave_driver() - register a SoundWire Slave driver
  * @drv: driver to register
  * @owner: owning module/driver
  *
  * Return: zero on success, else a negative error code.
  */
-int __sdw_register_driver(struct sdw_driver *drv, struct module *owner)
+int __sdw_register_slave_driver(struct sdw_driver *drv,
+				struct module *owner)
 {
 	drv->driver.bus = &sdw_bus_type;
 
@@ -164,17 +165,17 @@ int __sdw_register_driver(struct sdw_driver *drv, struct module *owner)
 
 	return driver_register(&drv->driver);
 }
-EXPORT_SYMBOL_GPL(__sdw_register_driver);
+EXPORT_SYMBOL_GPL(__sdw_register_slave_driver);
 
 /**
- * sdw_unregister_driver() - unregisters the SoundWire Slave driver
+ * sdw_unregister_slave_driver() - unregisters the SoundWire Slave driver
  * @drv: driver to unregister
  */
-void sdw_unregister_driver(struct sdw_driver *drv)
+void sdw_unregister_slave_driver(struct sdw_driver *drv)
 {
 	driver_unregister(&drv->driver);
 }
-EXPORT_SYMBOL_GPL(sdw_unregister_driver);
+EXPORT_SYMBOL_GPL(sdw_unregister_slave_driver);
 
 static int __init sdw_bus_init(void)
 {
diff --git a/include/linux/soundwire/sdw_type.h b/include/linux/soundwire/sdw_type.h
index aaa7f4267c14..abaa21278152 100644
--- a/include/linux/soundwire/sdw_type.h
+++ b/include/linux/soundwire/sdw_type.h
@@ -6,13 +6,15 @@
 
 extern struct bus_type sdw_bus_type;
 
-#define drv_to_sdw_driver(_drv) container_of(_drv, struct sdw_driver, driver)
+#define drv_to_sdw_slave_driver(_drv) \
+	container_of(_drv, struct sdw_driver, driver)
 
-#define sdw_register_driver(drv) \
-	__sdw_register_driver(drv, THIS_MODULE)
+#define sdw_register_slave_driver(drv) \
+	__sdw_register_slave_driver(drv, THIS_MODULE)
 
-int __sdw_register_driver(struct sdw_driver *drv, struct module *owner);
-void sdw_unregister_driver(struct sdw_driver *drv);
+int __sdw_register_slave_driver(struct sdw_driver *drv,
+				struct module *owner);
+void sdw_unregister_slave_driver(struct sdw_driver *drv);
 
 int sdw_slave_modalias(const struct sdw_slave *slave, char *buf, size_t size);
 
@@ -24,7 +26,7 @@ int sdw_slave_modalias(const struct sdw_slave *slave, char *buf, size_t size);
  * module init/exit. This eliminates a lot of boilerplate. Each module may only
  * use this macro once, and calling it replaces module_init() and module_exit()
  */
-#define module_sdw_driver(__sdw_driver) \
-	module_driver(__sdw_driver, sdw_register_driver, \
-			sdw_unregister_driver)
+#define module_sdw_driver(__sdw_slave_driver) \
+	module_driver(__sdw_slave_driver, sdw_register_slave_driver, \
+			sdw_unregister_slave_driver)
 #endif /* __SOUNDWIRE_TYPES_H */
-- 
2.20.1