diff options
Diffstat (limited to 'recipes-kernel/dtc/python3-dtc/0001-Revert-libfdt-overlay-make-overlay_get_target-public.patch')
| -rw-r--r-- | recipes-kernel/dtc/python3-dtc/0001-Revert-libfdt-overlay-make-overlay_get_target-public.patch | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/recipes-kernel/dtc/python3-dtc/0001-Revert-libfdt-overlay-make-overlay_get_target-public.patch b/recipes-kernel/dtc/python3-dtc/0001-Revert-libfdt-overlay-make-overlay_get_target-public.patch new file mode 100644 index 00000000..cf4739eb --- /dev/null +++ b/recipes-kernel/dtc/python3-dtc/0001-Revert-libfdt-overlay-make-overlay_get_target-public.patch @@ -0,0 +1,129 @@ +From 4d4703e0199fb3556c37694e4d951785abca22fd Mon Sep 17 00:00:00 2001 +From: Bruce Ashfield <bruce.ashfield@gmail.com> +Date: Wed, 19 Jan 2022 12:46:42 -0500 +Subject: [PATCH] Revert "libfdt: overlay: make overlay_get_target() public" + +This reverts commit 45f3d1a095dd3440578d5c6313eba555a791f3fb. +--- + libfdt/fdt_overlay.c | 29 ++++++++++++++++++++++------- + libfdt/libfdt.h | 18 ------------------ + libfdt/version.lds | 1 - + 3 files changed, 22 insertions(+), 26 deletions(-) + +diff --git a/libfdt/fdt_overlay.c b/libfdt/fdt_overlay.c +index 5c0c398..d217e79 100644 +--- a/libfdt/fdt_overlay.c ++++ b/libfdt/fdt_overlay.c +@@ -40,22 +40,37 @@ static uint32_t overlay_get_target_phandle(const void *fdto, int fragment) + return fdt32_to_cpu(*val); + } + +-int fdt_overlay_target_offset(const void *fdt, const void *fdto, +- int fragment_offset, char const **pathp) ++/** ++ * overlay_get_target - retrieves the offset of a fragment's target ++ * @fdt: Base device tree blob ++ * @fdto: Device tree overlay blob ++ * @fragment: node offset of the fragment in the overlay ++ * @pathp: pointer which receives the path of the target (or NULL) ++ * ++ * overlay_get_target() retrieves the target offset in the base ++ * device tree of a fragment, no matter how the actual targeting is ++ * done (through a phandle or a path) ++ * ++ * returns: ++ * the targeted node offset in the base device tree ++ * Negative error code on error ++ */ ++static int overlay_get_target(const void *fdt, const void *fdto, ++ int fragment, char const **pathp) + { + uint32_t phandle; + const char *path = NULL; + int path_len = 0, ret; + + /* Try first to do a phandle based lookup */ +- phandle = overlay_get_target_phandle(fdto, fragment_offset); ++ phandle = overlay_get_target_phandle(fdto, fragment); + if (phandle == (uint32_t)-1) + return -FDT_ERR_BADPHANDLE; + + /* no phandle, try path */ + if (!phandle) { + /* And then a path based lookup */ +- path = fdt_getprop(fdto, fragment_offset, "target-path", &path_len); ++ path = fdt_getprop(fdto, fragment, "target-path", &path_len); + if (path) + ret = fdt_path_offset(fdt, path); + else +@@ -621,7 +636,7 @@ static int overlay_merge(void *fdt, void *fdto) + if (overlay < 0) + return overlay; + +- target = fdt_overlay_target_offset(fdt, fdto, fragment, NULL); ++ target = overlay_get_target(fdt, fdto, fragment, NULL); + if (target < 0) + return target; + +@@ -764,7 +779,7 @@ static int overlay_symbol_update(void *fdt, void *fdto) + return -FDT_ERR_BADOVERLAY; + + /* get the target of the fragment */ +- ret = fdt_overlay_target_offset(fdt, fdto, fragment, &target_path); ++ ret = overlay_get_target(fdt, fdto, fragment, &target_path); + if (ret < 0) + return ret; + target = ret; +@@ -786,7 +801,7 @@ static int overlay_symbol_update(void *fdt, void *fdto) + + if (!target_path) { + /* again in case setprop_placeholder changed it */ +- ret = fdt_overlay_target_offset(fdt, fdto, fragment, &target_path); ++ ret = overlay_get_target(fdt, fdto, fragment, &target_path); + if (ret < 0) + return ret; + target = ret; +diff --git a/libfdt/libfdt.h b/libfdt/libfdt.h +index a7f432c..7f117e8 100644 +--- a/libfdt/libfdt.h ++++ b/libfdt/libfdt.h +@@ -2116,24 +2116,6 @@ int fdt_del_node(void *fdt, int nodeoffset); + */ + int fdt_overlay_apply(void *fdt, void *fdto); + +-/** +- * fdt_overlay_target_offset - retrieves the offset of a fragment's target +- * @fdt: Base device tree blob +- * @fdto: Device tree overlay blob +- * @fragment_offset: node offset of the fragment in the overlay +- * @pathp: pointer which receives the path of the target (or NULL) +- * +- * fdt_overlay_target_offset() retrieves the target offset in the base +- * device tree of a fragment, no matter how the actual targeting is +- * done (through a phandle or a path) +- * +- * returns: +- * the targeted node offset in the base device tree +- * Negative error code on error +- */ +-int fdt_overlay_target_offset(const void *fdt, const void *fdto, +- int fragment_offset, char const **pathp); +- + /**********************************************************************/ + /* Debugging / informational functions */ + /**********************************************************************/ +diff --git a/libfdt/version.lds b/libfdt/version.lds +index cbce5d4..7ab85f1 100644 +--- a/libfdt/version.lds ++++ b/libfdt/version.lds +@@ -77,7 +77,6 @@ LIBFDT_1.2 { + fdt_appendprop_addrrange; + fdt_setprop_inplace_namelen_partial; + fdt_create_with_flags; +- fdt_overlay_target_offset; + local: + *; + }; +-- +2.19.1 + |