Merge tag 'staging-4.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging/IIO driver updates from Greg KH:
 "Here is the big staging and IIO driver pull request for 4.20-rc1.

  There are lots of things here, we ended up adding more lines than
  removing, thanks to a large influx of Comedi National Instrument
  device support. Someday soon we need to get comedi out of staging...

  Other than the comedi drivers, the "big" things here are:

   - new iio drivers

   - delete dgnc driver (no one used it and no one had the hardware
     anymore)

   - vbox driver updates and fixes

   - erofs fixes

   - tons and tons of tiny checkpatch fixes for almost all staging
     drivers

  All of these have been in linux-next, with the last few happening a
  bit "late" due to them getting stuck on my laptop during travel to the
  Mantainers summit"

* tag 'staging-4.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (690 commits)
  staging: gasket: Fix sparse "incorrect type in assignment" warnings.
  staging: gasket: remove debug logs for callback invocation
  staging: gasket: remove debug logs in page table mapping calls
  staging: rtl8188eu: core: Use sizeof(*p) instead of sizeof(struct P) for memory allocation
  staging: ks7010: Remove extra blank line
  staging: gasket: Remove extra blank line
  staging: media: davinci_vpfe: Fix spelling mistake in enum
  staging: speakup: Add a pair of braces
  staging: wlan-ng: Replace long int with long
  staging: MAINTAINERS: remove obsolete IPX staging directory
  staging: MAINTAINERS: remove NCP filesystem entry
  staging: rtl8188eu: cleanup comparsions to false
  staging: gasket: Update device virtual address comment
  staging: gasket: sysfs: fix attribute release comment
  staging: gasket: apex: fix sysfs_show
  staging: gasket: page_table: simplify gasket_components_to_dev_address
  staging: gasket: page_table: fix comment in components_to_dev_address
  staging: gasket: page table: fixup error path allocating coherent mem
  staging: gasket: page_table: rearrange gasket_page_table_entry
  staging: gasket: page_table: remove unnecessary PTE status set to free
  ...

1 files changed, 4 insertions, 10 deletions

diff --git a/drivers/iio/potentiometer/mcp4531.c b/drivers/iio/potentiometer/mcp4531.c
index df894af6cccb..d71a22d71a30 100644
--- a/drivers/iio/potentiometer/mcp4531.c
+++ b/drivers/iio/potentiometer/mcp4531.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Industrial I/O driver for Microchip digital potentiometers
  * Copyright (c) 2015  Axentia Technologies AB
@@ -22,10 +23,6 @@
  * mcp4652	2	257		5, 10, 50, 100          01011xx
  * mcp4661	2	257		5, 10, 50, 100          0101xxx
  * mcp4662	2	257		5, 10, 50, 100          01011xx
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published by
- * the Free Software Foundation.
  */
 
 #include <linux/module.h>
@@ -360,7 +357,6 @@ static int mcp4531_probe(struct i2c_client *client)
 	struct device *dev = &client->dev;
 	struct mcp4531_data *data;
 	struct iio_dev *indio_dev;
-	const struct of_device_id *match;
 
 	if (!i2c_check_functionality(client->adapter,
 				     I2C_FUNC_SMBUS_WORD_DATA)) {
@@ -375,10 +371,8 @@ static int mcp4531_probe(struct i2c_client *client)
 	i2c_set_clientdata(client, indio_dev);
 	data->client = client;
 
-	match = of_match_device(of_match_ptr(mcp4531_of_match), dev);
-	if (match)
-		data->cfg = of_device_get_match_data(dev);
-	else
+	data->cfg = of_device_get_match_data(dev);
+	if (!data->cfg)
 		data->cfg = &mcp4531_cfg[i2c_match_id(mcp4531_id, client)->driver_data];
 
 	indio_dev->dev.parent = dev;
@@ -403,4 +397,4 @@ module_i2c_driver(mcp4531_driver);
 
 MODULE_AUTHOR("Peter Rosin <peda@axentia.se>");
 MODULE_DESCRIPTION("MCP4531 digital potentiometer");
-MODULE_LICENSE("GPL");
+MODULE_LICENSE("GPL v2");