Merge tag 'char-misc-4.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc driver updates from Greg KH:
 "Here is the big set of new char/misc driver drivers and features for
  4.12-rc1.

  There's lots of new drivers added this time around, new firmware
  drivers from Google, more auxdisplay drivers, extcon drivers, fpga
  drivers, and a bunch of other driver updates. Nothing major, except if
  you happen to have the hardware for these drivers, and then you will
  be happy :)

  All of these have been in linux-next for a while with no reported
  issues"

* tag 'char-misc-4.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (136 commits)
  firmware: google memconsole: Fix return value check in platform_memconsole_init()
  firmware: Google VPD: Fix return value check in vpd_platform_init()
  goldfish_pipe: fix build warning about using too much stack.
  goldfish_pipe: An implementation of more parallel pipe
  fpga fr br: update supported version numbers
  fpga: region: release FPGA region reference in error path
  fpga altera-hps2fpga: disable/unprepare clock on error in alt_fpga_bridge_probe()
  mei: drop the TODO from samples
  firmware: Google VPD sysfs driver
  firmware: Google VPD: import lib_vpd source files
  misc: lkdtm: Add volatile to intentional NULL pointer reference
  eeprom: idt_89hpesx: Add OF device ID table
  misc: ds1682: Add OF device ID table
  misc: tsl2550: Add OF device ID table
  w1: Remove unneeded use of assert() and remove w1_log.h
  w1: Use kernel common min() implementation
  uio_mf624: Align memory regions to page size and set correct offsets
  uio_mf624: Refactor memory info initialization
  uio: Allow handling of non page-aligned memory regions
  hangcheck-timer: Fix typo in comment
  ...

drivers/gpio/gpiolib.c

@@ -1035,18 +1035,14 @@ static int gpiochip_setup_dev(struct gpio_device *gdev)
 
 	cdev_init(&gdev->chrdev, &gpio_fileops);
 	gdev->chrdev.owner = THIS_MODULE;
-	gdev->chrdev.kobj.parent = &gdev->dev.kobj;
 	gdev->dev.devt = MKDEV(MAJOR(gpio_devt), gdev->id);
-	status = cdev_add(&gdev->chrdev, gdev->dev.devt, 1);
-	if (status < 0)
-		chip_warn(gdev->chip, "failed to add char device %d:%d\n",
-			  MAJOR(gpio_devt), gdev->id);
-	else
-		chip_dbg(gdev->chip, "added GPIO chardev (%d:%d)\n",
-			 MAJOR(gpio_devt), gdev->id);
-	status = device_add(&gdev->dev);
+
+	status = cdev_device_add(&gdev->chrdev, &gdev->dev);
 	if (status)
-		goto err_remove_chardev;
+		return status;
+
+	chip_dbg(gdev->chip, "added GPIO chardev (%d:%d)\n",
+		 MAJOR(gpio_devt), gdev->id);
 
 	status = gpiochip_sysfs_register(gdev);
 	if (status)
@@ -1061,9 +1057,7 @@ static int gpiochip_setup_dev(struct gpio_device *gdev)
 	return 0;
 
 err_remove_device:
-	device_del(&gdev->dev);
-err_remove_chardev:
-	cdev_del(&gdev->chrdev);
+	cdev_device_del(&gdev->chrdev, &gdev->dev);
 	return status;
 }
 
@@ -1347,8 +1341,7 @@ void gpiochip_remove(struct gpio_chip *chip)
 	 * be removed, else it will be dangling until the last user is
 	 * gone.
 	 */
-	cdev_del(&gdev->chrdev);
-	device_del(&gdev->dev);
+	cdev_device_del(&gdev->chrdev, &gdev->dev);
 	put_device(&gdev->dev);
 }
 EXPORT_SYMBOL_GPL(gpiochip_remove);