[RFC PATCH v2 1/6] i2c: use DEFINE for the dummy driver name

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We use it in multiple places, so make sure it is consistent whenever we
need to change it.

Signed-off-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>
Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
---
 drivers/i2c/i2c-core-base.c | 8 ++++----
 drivers/i2c/i2c-core.h      | 2 ++
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/i2c/i2c-core-base.c b/drivers/i2c/i2c-core-base.c
index cefad0881942..3d7b8a00a7d9 100644
--- a/drivers/i2c/i2c-core-base.c
+++ b/drivers/i2c/i2c-core-base.c
@@ -853,7 +853,7 @@ EXPORT_SYMBOL_GPL(i2c_unregister_device);
 
 
 static const struct i2c_device_id dummy_id[] = {
-	{ "dummy", 0 },
+	{ I2C_DUMMY_DRV_NAME, 0 },
 	{ },
 };
 
@@ -869,7 +869,7 @@ static int dummy_remove(struct i2c_client *client)
 }
 
 static struct i2c_driver dummy_driver = {
-	.driver.name	= "dummy",
+	.driver.name	= I2C_DUMMY_DRV_NAME,
 	.probe		= dummy_probe,
 	.remove		= dummy_remove,
 	.id_table	= dummy_id,
@@ -896,7 +896,7 @@ static struct i2c_driver dummy_driver = {
 struct i2c_client *i2c_new_dummy_device(struct i2c_adapter *adapter, u16 address)
 {
 	struct i2c_board_info info = {
-		I2C_BOARD_INFO("dummy", address),
+		I2C_BOARD_INFO(I2C_DUMMY_DRV_NAME, address),
 	};
 
 	return i2c_new_client_device(adapter, &info);
@@ -1487,7 +1487,7 @@ static void i2c_do_del_adapter(struct i2c_driver *driver,
 static int __unregister_client(struct device *dev, void *dummy)
 {
 	struct i2c_client *client = i2c_verify_client(dev);
-	if (client && strcmp(client->name, "dummy"))
+	if (client && strcmp(client->name, I2C_DUMMY_DRV_NAME))
 		i2c_unregister_device(client);
 	return 0;
 }
diff --git a/drivers/i2c/i2c-core.h b/drivers/i2c/i2c-core.h
index 517d98be68d2..fb89fabf84d3 100644
--- a/drivers/i2c/i2c-core.h
+++ b/drivers/i2c/i2c-core.h
@@ -22,6 +22,8 @@ int i2c_check_7bit_addr_validity_strict(unsigned short addr);
 int i2c_dev_irq_from_resources(const struct resource *resources,
 			       unsigned int num_resources);
 
+#define I2C_DUMMY_DRV_NAME "dummy"
+
 /*
  * We only allow atomic transfers for very late communication, e.g. to send
  * the powerdown command to a PMIC. Atomic transfers are a corner case and not
-- 
2.20.1




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