On Wed, 25 Mar 2020, Dilip Kota wrote: > Traverse regmap handle entry from firmware node handle. > > Signed-off-by: Dilip Kota <eswara.kota@xxxxxxxxxxxxxxx> > --- > Changes on v5: > No changes > > Changes on v4: > No changes > > drivers/mfd/syscon.c | 8 ++++++++ > include/linux/mfd/syscon.h | 6 ++++++ > 2 files changed, 14 insertions(+) I think you'll find it very difficult to have a patch merged if you do not send it to any Maintainers of the associated subsystem(s). Did you use `scripts/get_maintainer.pl` at all? > diff --git a/drivers/mfd/syscon.c b/drivers/mfd/syscon.c > index e22197c832e8..08064ffc5394 100644 > --- a/drivers/mfd/syscon.c > +++ b/drivers/mfd/syscon.c > @@ -178,6 +178,14 @@ struct regmap *device_node_to_regmap(struct device_node *np) > } > EXPORT_SYMBOL_GPL(device_node_to_regmap); > > +struct regmap *fwnode_to_regmap(struct fwnode_handle *fwnode) > +{ > + struct device_node *np = to_of_node(fwnode); > + > + return device_node_get_regmap(np, false); > +} > +EXPORT_SYMBOL_GPL(fwnode_to_regmap); > + > struct regmap *syscon_node_to_regmap(struct device_node *np) > { > if (!of_device_is_compatible(np, "syscon")) > diff --git a/include/linux/mfd/syscon.h b/include/linux/mfd/syscon.h > index 112dc66262cc..a024dd88bdd4 100644 > --- a/include/linux/mfd/syscon.h > +++ b/include/linux/mfd/syscon.h > @@ -18,6 +18,7 @@ struct device_node; > > #ifdef CONFIG_MFD_SYSCON > extern struct regmap *device_node_to_regmap(struct device_node *np); > +extern struct regmap *fwnode_to_regmap(struct fwnode_handle *fwnode); > extern struct regmap *syscon_node_to_regmap(struct device_node *np); > extern struct regmap *syscon_regmap_lookup_by_compatible(const char *s); > extern struct regmap *syscon_regmap_lookup_by_phandle( > @@ -29,6 +30,11 @@ static inline struct regmap *device_node_to_regmap(struct device_node *np) > return ERR_PTR(-ENOTSUPP); > } > > +static inline struct regmap *fwnode_to_regmap(struct fwnode_handle *fwnode) > +{ > + return ERR_PTR(-ENOTSUPP); > +} > + > static inline struct regmap *syscon_node_to_regmap(struct device_node *np) > { > return ERR_PTR(-ENOTSUPP); -- Lee Jones [李琼斯] Linaro Services Technical Lead Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog