From: Dmitry Rokosov Date: Thu, 17 Oct 2024 14:12:11 +0000 (+0300) Subject: common: android_ab: fix slot suffix for abc block X-Git-Url: http://git.dujemihanovic.xyz/html/static/gitweb.css?a=commitdiff_plain;h=55c876c6f9b787488c7a9f9c678398c48d13db6f;p=u-boot.git common: android_ab: fix slot suffix for abc block To align with the official Android BCB (Bootloader Control Block) specifications, it's important to note that the slot_suffix should start with an underscore symbol. For a comprehensive understanding of the expected slot_suffix format in userspace, please refer to the provided reference [1]. Links: [1] - https://source.android.com/docs/core/architecture/bootloader/updating#slots Based-on: https://android-review.googlesource.com/c/platform/external/u-boot/+/1446439 Reviewed-by: Mattijs Korpershoek Reviewed-by: Simon Glass Tested-by: Guillaume La Roque Signed-off-by: Dmitry Rokosov Tested-by: Mattijs Korpershoek # vim3_android Link: https://lore.kernel.org/r/20241017-android_ab_master-v5-6-43bfcc096d95@salutedevices.com Signed-off-by: Mattijs Korpershoek --- diff --git a/boot/android_ab.c b/boot/android_ab.c index c93e515410..a287eac04f 100644 --- a/boot/android_ab.c +++ b/boot/android_ab.c @@ -52,7 +52,7 @@ static int ab_control_default(struct bootloader_control *abc) if (!abc) return -EFAULT; - memcpy(abc->slot_suffix, "a\0\0\0", 4); + memcpy(abc->slot_suffix, "_a\0\0", 4); abc->magic = BOOT_CTRL_MAGIC; abc->version = BOOT_CTRL_VERSION; abc->nb_slot = NUM_SLOTS; @@ -328,7 +328,8 @@ int ab_select_slot(struct blk_desc *dev_desc, struct disk_partition *part_info, * or the device tree. */ memset(slot_suffix, 0, sizeof(slot_suffix)); - slot_suffix[0] = BOOT_SLOT_NAME(slot); + slot_suffix[0] = '_'; + slot_suffix[1] = BOOT_SLOT_NAME(slot); if (memcmp(abc->slot_suffix, slot_suffix, sizeof(slot_suffix))) { memcpy(abc->slot_suffix, slot_suffix,