On Wed, 11 Dec 2019, Andreas Kemnade wrote: > The RC5T619 has a RTC which is missing in the > RN5T618. Add it as subdevice to prepare for their implementation > > Signed-off-by: Andreas Kemnade <andreas@xxxxxxxxxxxx> > --- > Changes in v3: > - alignment cleanup > drivers/mfd/rn5t618.c | 16 ++++++++++++++-- > 1 file changed, 14 insertions(+), 2 deletions(-) > > diff --git a/drivers/mfd/rn5t618.c b/drivers/mfd/rn5t618.c > index d78eb29b94a4..18d56a732b20 100644 > --- a/drivers/mfd/rn5t618.c > +++ b/drivers/mfd/rn5t618.c > @@ -22,6 +22,12 @@ static const struct mfd_cell rn5t618_cells[] = { > { .name = "rn5t618-wdt" }, > }; > > +static const struct mfd_cell rc5t619_cells[] = { > + { .name = "rn5t618-regulator" }, > + { .name = "rc5t619-rtc" }, > + { .name = "rn5t618-wdt" }, > +}; > + > static bool rn5t618_volatile_reg(struct device *dev, unsigned int reg) > { > switch (reg) { > @@ -173,8 +179,14 @@ static int rn5t618_i2c_probe(struct i2c_client *i2c, > return ret; > } > > - ret = devm_mfd_add_devices(&i2c->dev, -1, rn5t618_cells, > - ARRAY_SIZE(rn5t618_cells), NULL, 0, NULL); > + if (priv->variant == RC5T619) > + ret = devm_mfd_add_devices(&i2c->dev, -1, rc5t619_cells, Ref: The "-1", please use this as an opportunity to use the defines. > + ARRAY_SIZE(rc5t619_cells), > + NULL, 0, NULL); > + else Are you sure it's not possible for 'variant' to be an unsupported device? > + ret = devm_mfd_add_devices(&i2c->dev, -1, rn5t618_cells, > + ARRAY_SIZE(rn5t618_cells), > + NULL, 0, NULL); > if (ret) { > dev_err(&i2c->dev, "failed to add sub-devices: %d\n", ret); > return ret; -- Lee Jones [李琼斯] Linaro Services Technical Lead Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog