diff options
| -rw-r--r-- | boot/image-fit.c | 43 | ||||
| -rw-r--r-- | include/image.h | 41 |
2 files changed, 41 insertions, 43 deletions
diff --git a/boot/image-fit.c b/boot/image-fit.c index 6e503f8..02f1d28 100644 --- a/boot/image-fit.c +++ b/boot/image-fit.c @@ -1686,49 +1686,6 @@ int fit_check_format(const void *fit, ulong size) return 0; } -/** - * fit_conf_find_compat - * @fit: pointer to the FIT format image header - * @fdt: pointer to the device tree to compare against - * - * fit_conf_find_compat() attempts to find the configuration whose fdt is the - * most compatible with the passed in device tree. - * - * Example: - * - * / o image-tree - * |-o images - * | |-o fdt-1 - * | |-o fdt-2 - * | - * |-o configurations - * |-o config-1 - * | |-fdt = fdt-1 - * | - * |-o config-2 - * |-fdt = fdt-2 - * - * / o U-Boot fdt - * |-compatible = "foo,bar", "bim,bam" - * - * / o kernel fdt1 - * |-compatible = "foo,bar", - * - * / o kernel fdt2 - * |-compatible = "bim,bam", "baz,biz" - * - * Configuration 1 would be picked because the first string in U-Boot's - * compatible list, "foo,bar", matches a compatible string in the root of fdt1. - * "bim,bam" in fdt2 matches the second string which isn't as good as fdt1. - * - * As an optimization, the compatible property from the FDT's root node can be - * copied into the configuration node in the FIT image. This is required to - * match configurations with compressed FDTs. - * - * returns: - * offset to the configuration to use if one was found - * -1 otherwise - */ int fit_conf_find_compat(const void *fit, const void *fdt) { int ndepth = 0; diff --git a/include/image.h b/include/image.h index d7d6a3f..92efec0 100644 --- a/include/image.h +++ b/include/image.h @@ -1206,6 +1206,47 @@ int fit_image_check_comp(const void *fit, int noffset, uint8_t comp); */ int fit_check_format(const void *fit, ulong size); +/** + * fit_conf_find_compat() - find most compatible configuration + * @fit: pointer to the FIT format image header + * @fdt: pointer to the device tree to compare against + * + * Attempts to find the configuration whose fdt is the most compatible with the + * passed in device tree + * + * Example:: + * + * / o image-tree + * |-o images + * | |-o fdt-1 + * | |-o fdt-2 + * | + * |-o configurations + * |-o config-1 + * | |-fdt = fdt-1 + * | + * |-o config-2 + * |-fdt = fdt-2 + * + * / o U-Boot fdt + * |-compatible = "foo,bar", "bim,bam" + * + * / o kernel fdt1 + * |-compatible = "foo,bar", + * + * / o kernel fdt2 + * |-compatible = "bim,bam", "baz,biz" + * + * Configuration 1 would be picked because the first string in U-Boot's + * compatible list, "foo,bar", matches a compatible string in the root of fdt1. + * "bim,bam" in fdt2 matches the second string which isn't as good as fdt1. + * + * As an optimization, the compatible property from the FDT's root node can be + * copied into the configuration node in the FIT image. This is required to + * match configurations with compressed FDTs. + * + * Returns: offset to the configuration to use if one was found, -1 otherwise + */ int fit_conf_find_compat(const void *fit, const void *fdt); /** |