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authorAndrey Smirnov <andrew.smirnov@gmail.com>2017-12-21 09:51:14 +0300
committerLee Jones <lee.jones@linaro.org>2018-01-08 13:08:33 +0300
commitc5ff7de262b6e92ec88a20ea0a0244c29ccdc764 (patch)
tree8207e2d9d8dad17f03af52ab9ba8b70e572accbd /drivers/tty
parent0d85adb5fbd33daf81276d6fa0f990136eb4bf29 (diff)
downloadlinux-c5ff7de262b6e92ec88a20ea0a0244c29ccdc764.tar.xz
serdev: Make .remove in struct serdev_device_driver optional
Using devres infrastructure it is possible to write a serdev driver that doesn't have any code that needs to be called as a part of .remove. Add code to make .remove optional. Acked-by: Philippe Ombredanne <pombredanne@nexb.com> Acked-by: Pavel Machek <pavel@ucw.cz> Acked-by: Rob Herring <robh@kernel.org> Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
Diffstat (limited to 'drivers/tty')
-rw-r--r--drivers/tty/serdev/core.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/tty/serdev/core.c b/drivers/tty/serdev/core.c
index 1bef39828ca7..34050b439c1f 100644
--- a/drivers/tty/serdev/core.c
+++ b/drivers/tty/serdev/core.c
@@ -268,8 +268,8 @@ static int serdev_drv_probe(struct device *dev)
static int serdev_drv_remove(struct device *dev)
{
const struct serdev_device_driver *sdrv = to_serdev_device_driver(dev->driver);
-
- sdrv->remove(to_serdev_device(dev));
+ if (sdrv->remove)
+ sdrv->remove(to_serdev_device(dev));
return 0;
}