Hi, On Sat, Oct 21, 2017 at 10:08:40AM -0700, Guenter Roeck wrote: > On 10/18/2017 10:01 AM, Andrey Smirnov wrote: > > Using devres infrastructure it is possible to wirte a serdev driver > > s/wirte/write/ > > otherwise > > Reviewed-by: Guenter Roeck <linux@xxxxxxxxxxxx> Reviewed-by: Sebastian Reichel <sebastian.reichel@xxxxxxxxxxxxxxx> -- Sebastian > > 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@xxxxxxxxxxxxxxx > > Cc: linux-serial@xxxxxxxxxxxxxxx > > Cc: Rob Herring <robh@xxxxxxxxxx> > > Cc: cphealy@xxxxxxxxx > > Cc: Guenter Roeck <linux@xxxxxxxxxxxx> > > Cc: Lucas Stach <l.stach@xxxxxxxxxxxxxx> > > Cc: Nikita Yushchenko <nikita.yoush@xxxxxxxxxxxxxxxxxx> > > Cc: Lee Jones <lee.jones@xxxxxxxxxx> > > Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> > > Cc: Pavel Machek <pavel@xxxxxx> > > Cc: Andy Shevchenko <andy.shevchenko@xxxxxxxxx> > > Cc: Johan Hovold <johan@xxxxxxxxxx> > > Signed-off-by: Andrey Smirnov <andrew.smirnov@xxxxxxxxx> > > --- > > drivers/tty/serdev/core.c | 4 ++-- > > 1 file changed, 2 insertions(+), 2 deletions(-) > > > > diff --git a/drivers/tty/serdev/core.c b/drivers/tty/serdev/core.c > > index c68fb3a8ea1c..f500f6a2ca88 100644 > > --- a/drivers/tty/serdev/core.c > > +++ b/drivers/tty/serdev/core.c > > @@ -252,8 +252,8 @@ 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; > > } > > >
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