| Message ID | 20210402062821.38162-2-chenguanqiao@kuaishou.com |
|---|---|
| State | Superseded |
| Delegated to: | Simon Glass |
| Headers | show |
| Series | dm: core: Add size operations on device tree references | expand |
On Fri, 2 Apr 2021 at 19:30, chenguanqiao <chenguanqiao@kuaishou.com> wrote: > > Add functions to add size of addresses in the device tree using ofnode > references. > > Signed-off-by: Chen Guanqiao <chenguanqiao@kuaishou.com> > --- > drivers/core/ofnode.c | 9 +++++++++ > include/dm/ofnode.h | 10 ++++++++++ > 2 files changed, 19 insertions(+) > Reviewed-by: Simon Glass <sjg@chromium.org> > diff --git a/drivers/core/ofnode.c b/drivers/core/ofnode.c > index fa0bd2a9c4..952c3cf9dd 100644 > --- a/drivers/core/ofnode.c > +++ b/drivers/core/ofnode.c > @@ -347,6 +347,15 @@ fdt_addr_t ofnode_get_addr(ofnode node) > return ofnode_get_addr_index(node, 0); > } > > +fdt_size_t ofnode_get_size(ofnode node) > +{ > + fdt_size_t size; > + > + ofnode_get_addr_size_index(node, 0, &size); size is not set if this function returns an error, so in that can you need to return something > + > + return size; > +} > + > int ofnode_stringlist_search(ofnode node, const char *property, > const char *string) > { > diff --git a/include/dm/ofnode.h b/include/dm/ofnode.h > index 2c0597c407..e91f81282b 100644 > --- a/include/dm/ofnode.h > +++ b/include/dm/ofnode.h > @@ -510,6 +510,16 @@ phys_addr_t ofnode_get_addr_index(ofnode node, int index); > */ > phys_addr_t ofnode_get_addr(ofnode node); > > +/** > + * ofnode_get_size() - get size from a node > + * > + * This reads the register size from a node > + * > + * @node: node to read from > + * @return size of the address > + */ > +fdt_size_t ofnode_get_size(ofnode node); > + > /** > * ofnode_stringlist_search() - find a string in a string list and return index > * > -- > 2.25.1 >
diff --git a/drivers/core/ofnode.c b/drivers/core/ofnode.c index fa0bd2a9c4..952c3cf9dd 100644 --- a/drivers/core/ofnode.c +++ b/drivers/core/ofnode.c @@ -347,6 +347,15 @@ fdt_addr_t ofnode_get_addr(ofnode node) return ofnode_get_addr_index(node, 0); } +fdt_size_t ofnode_get_size(ofnode node) +{ + fdt_size_t size; + + ofnode_get_addr_size_index(node, 0, &size); + + return size; +} + int ofnode_stringlist_search(ofnode node, const char *property, const char *string) { diff --git a/include/dm/ofnode.h b/include/dm/ofnode.h index 2c0597c407..e91f81282b 100644 --- a/include/dm/ofnode.h +++ b/include/dm/ofnode.h @@ -510,6 +510,16 @@ phys_addr_t ofnode_get_addr_index(ofnode node, int index); */ phys_addr_t ofnode_get_addr(ofnode node); +/** + * ofnode_get_size() - get size from a node + * + * This reads the register size from a node + * + * @node: node to read from + * @return size of the address + */ +fdt_size_t ofnode_get_size(ofnode node); + /** * ofnode_stringlist_search() - find a string in a string list and return index *
Add functions to add size of addresses in the device tree using ofnode references. Signed-off-by: Chen Guanqiao <chenguanqiao@kuaishou.com> --- drivers/core/ofnode.c | 9 +++++++++ include/dm/ofnode.h | 10 ++++++++++ 2 files changed, 19 insertions(+)