| Message ID | 20200408093528.24276-2-matthias.bgg@kernel.org |
|---|---|
| State | New |
| Headers | show |
| Series | Reading size-cells and address-cells from a node should walk up the | expand |
Hi Matthias, On Wed, 8 Apr 2020 at 03:35, <matthias.bgg at kernel.org> wrote: > > From: Matthias Brugger <mbrugger at suse.com> > > For reading address-cells and size-cells, the libfdt only provides > functions which do not return in case the node does not provide the > property. For traversing the DT to find the parent node which provides > this property we will need to know that. > > Make fdt_cells accessible from outside of libfdt so that we can detect > not present size- and address-cells properties in a node. > > Signed-off-by: Matthias Brugger <mbrugger at suse.com> > --- > > scripts/dtc/libfdt/fdt_addresses.c | 2 +- > scripts/dtc/libfdt/libfdt.h | 2 ++ > 2 files changed, 3 insertions(+), 1 deletion(-) Can you please send these patches upstream too? Thanks, Simon
diff --git a/scripts/dtc/libfdt/fdt_addresses.c b/scripts/dtc/libfdt/fdt_addresses.c index 9a82cd0ba2..ead9460e95 100644 --- a/scripts/dtc/libfdt/fdt_addresses.c +++ b/scripts/dtc/libfdt/fdt_addresses.c @@ -11,7 +11,7 @@ #include "libfdt_internal.h" -static int fdt_cells(const void *fdt, int nodeoffset, const char *name) +int fdt_cells(const void *fdt, int nodeoffset, const char *name) { const fdt32_t *c; uint32_t val; diff --git a/scripts/dtc/libfdt/libfdt.h b/scripts/dtc/libfdt/libfdt.h index fa63fffe28..b0eca12491 100644 --- a/scripts/dtc/libfdt/libfdt.h +++ b/scripts/dtc/libfdt/libfdt.h @@ -1121,6 +1121,8 @@ const char *fdt_stringlist_get(const void *fdt, int nodeoffset, */ #define FDT_MAX_NCELLS 4 +int fdt_cells(const void *fdt, int nodeoffset, const char *name); + /** * fdt_address_cells - retrieve address size for a bus represented in the tree * @fdt: pointer to the device tree blob