Hi Greg, Thanks for the review. > -----Original Message----- > From: Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> > Sent: Monday 15 November 2021 6:09 PM > To: Anand Ashok Dumbre <ANANDASH@xxxxxxxxxx> > Cc: linux-kernel@xxxxxxxxxxxxxxx; jic23@xxxxxxxxxx; lars@xxxxxxxxxx; linux- > iio@xxxxxxxxxxxxxxx; git <git@xxxxxxxxxx>; Michal Simek > <michals@xxxxxxxxxx>; rafael@xxxxxxxxxx; linux-acpi@xxxxxxxxxxxxxxx; > andriy.shevchenko@xxxxxxxxxxxxxxx; heikki.krogerus@xxxxxxxxxxxxxxx > Subject: Re: [PATCH] device property: Add fwnode_iomap() > > On Mon, Nov 15, 2021 at 05:38:19PM +0000, Anand Ashok Dumbre wrote: > > This patch introduces a new helper routine - fwnode_iomap(), which > > allows to map the memory mapped IO for a given device node. > > > > Signed-off-by: Anand Ashok Dumbre <anand.ashok.dumbre@xxxxxxxxxx> > > --- > > drivers/base/property.c | 15 +++++++++++++++ > > include/linux/property.h | 2 ++ > > 2 files changed, 17 insertions(+) > > > > diff --git a/drivers/base/property.c b/drivers/base/property.c index > > 453918eb7390..9323e9b5de02 100644 > > --- a/drivers/base/property.c > > +++ b/drivers/base/property.c > > @@ -1021,6 +1021,21 @@ int fwnode_irq_get(const struct fwnode_handle > > *fwnode, unsigned int index) } EXPORT_SYMBOL(fwnode_irq_get); > > > > +/** > > + * fwnode_iomap - Maps the memory mapped IO for a given fwnode > > + * @fwnode: Pointer to the firmware node > > + * @index: Index of the IO range > > + * > > + * Returns a pointer to the mapped memory. > > + */ > > +void __iomem *fwnode_iomap(struct fwnode_handle *fwnode, int > index) { > > + if (is_of_node(fwnode)) > > + return of_iomap(to_of_node(fwnode), index); > > + > > + return NULL; > > +} > > +EXPORT_SYMBOL(fwnode_iomap); > > + > > /** > > * fwnode_graph_get_next_endpoint - Get next endpoint firmware node > > * @fwnode: Pointer to the parent firmware node diff --git > > a/include/linux/property.h b/include/linux/property.h index > > 357513a977e5..9bb0b0155402 100644 > > --- a/include/linux/property.h > > +++ b/include/linux/property.h > > @@ -121,6 +121,8 @@ void fwnode_handle_put(struct fwnode_handle > > *fwnode); > > > > int fwnode_irq_get(const struct fwnode_handle *fwnode, unsigned int > > index); > > > > +void __iomem *fwnode_iomap(struct fwnode_handle *fwnode, int > index); > > + > > unsigned int device_get_child_node_count(struct device *dev); > > > > static inline bool device_property_read_bool(struct device *dev, > > -- > > 2.17.1 > > > > Also, always run scripts/checkpatch.pl before sending patches out so you > do not get grumpy maintainers telling you to run scripts/checkpatch.pl > on your patches :) > Sorry. Will do and also will send it as a part of my other driver series. > thanks, > > greg k-h