| Message ID | 1432461713-10467-1-git-send-email-contact@paulk.fr |
|---|---|
| State | Accepted |
| Delegated to: | Simon Glass |
| Headers | show |
Hi Paul, On 24 May 2015 at 04:01, Paul Kocialkowski <contact@paulk.fr> wrote: > This instroduces comments that explain the purpose, parameters and return codes > of a few fdt support functions, that are used to fill the fdt. introduces > > Signed-off-by: Paul Kocialkowski <contact@paulk.fr> > --- > include/fdt_support.h | 26 ++++++++++++++++++++++++++ > 1 file changed, 26 insertions(+) Thanks for the patch. Acked-by: Simon Glass <sjg@chromium.org> > > diff --git a/include/fdt_support.h b/include/fdt_support.h > index 56185c9..0edc4fa 100644 > --- a/include/fdt_support.h > +++ b/include/fdt_support.h > @@ -16,9 +16,35 @@ u32 fdt_getprop_u32_default_node(const void *fdt, int off, int cell, > const char *prop, const u32 dflt); > u32 fdt_getprop_u32_default(const void *fdt, const char *path, > const char *prop, const u32 dflt); > + > +/** > + * Add data to the root of the FDT before booting the OS. > + * > + * See doc/device-tree-bindings/root.txt > + * > + * @param fdt FDT address in memory > + * @return 0 if ok, or -FDT_ERR_... on error > + */ > int fdt_root(void *fdt); > + > +/** > + * Add chosen data the FDT before booting the OS. > + * > + * In particular, this adds the kernel command line (bootargs) to the FDT. > + * > + * @param fdt FDT address in memory > + * @return 0 if ok, or -FDT_ERR_... on error > + */ > int fdt_chosen(void *fdt); > + > +/** > + * Add initrd information to the FDT before booting the OS. > + * > + * @param fdt FDT address in memory > + * @return 0 if ok, or -FDT_ERR_... on error > + */ > int fdt_initrd(void *fdt, ulong initrd_start, ulong initrd_end); > + > void do_fixup_by_path(void *fdt, const char *path, const char *prop, > const void *val, int len, int create); > void do_fixup_by_path_u32(void *fdt, const char *path, const char *prop, > -- > 1.9.1 > Regards, Simon
diff --git a/include/fdt_support.h b/include/fdt_support.h index 56185c9..0edc4fa 100644 --- a/include/fdt_support.h +++ b/include/fdt_support.h @@ -16,9 +16,35 @@ u32 fdt_getprop_u32_default_node(const void *fdt, int off, int cell, const char *prop, const u32 dflt); u32 fdt_getprop_u32_default(const void *fdt, const char *path, const char *prop, const u32 dflt); + +/** + * Add data to the root of the FDT before booting the OS. + * + * See doc/device-tree-bindings/root.txt + * + * @param fdt FDT address in memory + * @return 0 if ok, or -FDT_ERR_... on error + */ int fdt_root(void *fdt); + +/** + * Add chosen data the FDT before booting the OS. + * + * In particular, this adds the kernel command line (bootargs) to the FDT. + * + * @param fdt FDT address in memory + * @return 0 if ok, or -FDT_ERR_... on error + */ int fdt_chosen(void *fdt); + +/** + * Add initrd information to the FDT before booting the OS. + * + * @param fdt FDT address in memory + * @return 0 if ok, or -FDT_ERR_... on error + */ int fdt_initrd(void *fdt, ulong initrd_start, ulong initrd_end); + void do_fixup_by_path(void *fdt, const char *path, const char *prop, const void *val, int len, int create); void do_fixup_by_path_u32(void *fdt, const char *path, const char *prop,
This instroduces comments that explain the purpose, parameters and return codes of a few fdt support functions, that are used to fill the fdt. Signed-off-by: Paul Kocialkowski <contact@paulk.fr> --- include/fdt_support.h | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+)