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| author | Andrey Smirnov <andrew.smirnov@gmail.com> | 2017-11-09 08:05:52 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-11-28 15:32:32 +0100 |
| commit | 98869f9f9e7dfca97de3505bcdfa1115abe9b893 (patch) | |
| tree | 18273798a8d1445002cc465e57831450fff677ef /drivers/tty/serdev | |
| parent | bcfab39df88e31992371818eb8753f4b2b94ca80 (diff) | |
| download | linux-98869f9f9e7dfca97de3505bcdfa1115abe9b893.tar.gz linux-98869f9f9e7dfca97de3505bcdfa1115abe9b893.tar.bz2 linux-98869f9f9e7dfca97de3505bcdfa1115abe9b893.zip | |
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.
Cc: linux-kernel@vger.kernel.org
Cc: linux-serial@vger.kernel.org
Cc: Rob Herring <robh@kernel.org>
Cc: cphealy@gmail.com
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: Lucas Stach <l.stach@pengutronix.de>
Cc: Nikita Yushchenko <nikita.yoush@cogentembedded.com>
Cc: Lee Jones <lee.jones@linaro.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: Johan Hovold <johan@kernel.org>
Cc: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serdev')
| -rw-r--r-- | drivers/tty/serdev/core.c | 4 |
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; } |