From mboxrd@z Thu Jan 1 00:00:00 1970 From: Simon Glass Date: Fri, 22 Mar 2019 15:52:59 +0800 Subject: [U-Boot] [PATCH v3 01/13] libfdt: Add phandle generation helper In-Reply-To: <20190321181010.27005-2-thierry.reding@gmail.com> References: <20190321181010.27005-1-thierry.reding@gmail.com> <20190321181010.27005-2-thierry.reding@gmail.com> Message-ID: List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On Fri, 22 Mar 2019 at 02:10, Thierry Reding wrote: > > From: Thierry Reding > > The new fdt_generate_phandle() function can be used to generate a new, > unused phandle given a specific device tree blob. The implementation is > somewhat naive in that it simply walks the entire device tree to find > the highest phandle value and then returns a phandle value one higher > than that. A more clever implementation might try to find holes in the > current set of phandle values and fill them. But this implementation is > relatively simple and works reliably. > > Also add a test that validates that phandles generated by this new API > are indeed unique. > > Signed-off-by: Thierry Reding > --- > Changes in v3: > - update to latest upstream commit > > lib/libfdt/fdt_ro.c | 31 +++++++++++++++++++++++++++++++ > scripts/dtc/libfdt/fdt_ro.c | 31 +++++++++++++++++++++++++++++++ > scripts/dtc/libfdt/libfdt.h | 19 +++++++++++++++++++ > scripts/dtc/libfdt/libfdt_env.h | 1 + > 4 files changed, 82 insertions(+) Reviewed-by: Simon Glass