On Mon, Jan 02, 2023 at 11:52:17AM +0100, Quentin Schulz wrote: > Hi Simon, > > On 12/17/22 22:29, Simon Glass wrote: > > Some blobs are actually not necessary for the board to work correctly. Add > > a property to allow this to be indicated. Missing optional blobs do not > > cause a build failure. > > > > Signed-off-by: Simon Glass <s...@chromium.org> > > --- > > > > tools/binman/binman.rst | 9 +++++++++ > > tools/binman/control.py | 11 +++++++++++ > > tools/binman/entry.py | 25 +++++++++++++++++++++---- > > tools/binman/etype/blob.py | 2 +- > > tools/binman/etype/section.py | 14 +++++++++++++- > > tools/binman/ftest.py | 10 ++++++++++ > > tools/binman/test/266_blob_ext_opt.dts | 21 +++++++++++++++++++++ > > 7 files changed, 86 insertions(+), 6 deletions(-) > > create mode 100644 tools/binman/test/266_blob_ext_opt.dts > > > > diff --git a/tools/binman/binman.rst b/tools/binman/binman.rst > > index 1ab6d012b83..391494907ab 100644 > > --- a/tools/binman/binman.rst > > +++ b/tools/binman/binman.rst > > @@ -689,6 +689,15 @@ no-expanded: > > `no-expanded` property disables this just for a single entry. Put the > > `no-expanded` boolean property in the node to select this behaviour. > > +optional: > > + External blobs are normally required to be present for the image to be > > + built (but see `External blobs`_). This properly allows an entry to be > > + optional, so that when it is cannot be found, this problem is ignored > > and > > + an empty file is used for this blob. This should be used only when the > > blob > > + is entirely optional and is not needed for correct operation of the > > image. > > Could we provide such an example?
The example is the pmic firmware (SCP) for sunxi platforms. That can be omitted safely (which results in some PM features not working). -- Tom
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