From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thierry Reding Date: Thu, 21 Mar 2019 19:10:01 +0100 Subject: [U-Boot] [PATCH v3 04/13] fdtdec: Implement fdtdec_set_phandle() In-Reply-To: <20190321181010.27005-1-thierry.reding@gmail.com> References: <20190321181010.27005-1-thierry.reding@gmail.com> Message-ID: <20190321181010.27005-5-thierry.reding@gmail.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de From: Thierry Reding This function can be used to set a phandle for a given node. Signed-off-by: Thierry Reding --- Changes in v2: - don't emit deprecated linux,phandle property include/fdtdec.h | 11 +++++++++++ lib/fdtdec.c | 7 +++++++ 2 files changed, 18 insertions(+) diff --git a/include/fdtdec.h b/include/fdtdec.h index a0ba57c6318b..55600026c488 100644 --- a/include/fdtdec.h +++ b/include/fdtdec.h @@ -981,6 +981,17 @@ int fdtdec_setup_mem_size_base(void); */ int fdtdec_setup_memory_banksize(void); +/** + * fdtdec_set_phandle() - sets the phandle of a given node + * + * @param blob FDT blob + * @param node offset in the FDT blob of the node whose phandle is to + * be set + * @param phandle phandle to set for the given node + * @return 0 on success or a negative error code on failure + */ +int fdtdec_set_phandle(void *blob, int node, uint32_t phandle); + /** * Set up the device tree ready for use */ diff --git a/lib/fdtdec.c b/lib/fdtdec.c index 09a7e133a539..00db90e3cdfd 100644 --- a/lib/fdtdec.c +++ b/lib/fdtdec.c @@ -1243,6 +1243,13 @@ __weak void *board_fdt_blob_setup(void) } #endif +int fdtdec_set_phandle(void *blob, int node, uint32_t phandle) +{ + fdt32_t value = cpu_to_fdt32(phandle); + + return fdt_setprop(blob, node, "phandle", &value, sizeof(value)); +} + int fdtdec_setup(void) { #if CONFIG_IS_ENABLED(OF_CONTROL) -- 2.21.0