DPS [1] assigns GPT partition type UUIDs to operating system partitions. Root partitions use architecture-specific type UUIDs so the OS can discover the intended root filesystem without relying on a root= cmdline option.
Define DPS_ROOT_PARTITION_TYPE_UUID in asm/dps_root.h for ARC and select ARCH_HAS_DPS_ROOT_PARTITION_TYPE_UUID. [1] The Discoverable Partitions Specification (DPS) Link: https://uapi-group.org/specifications/specs/discoverable_partitions_specification/ Cc: Vineet Gupta <[email protected]> Cc: [email protected] Signed-off-by: Vincent Mailhol <[email protected]> --- arch/arc/Kconfig | 1 + arch/arc/include/asm/dps_root.h | 8 ++++++++ 2 files changed, 9 insertions(+) diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig index 2ed7186c81c5..cc3a57a0111f 100644 --- a/arch/arc/Kconfig +++ b/arch/arc/Kconfig @@ -10,6 +10,7 @@ config ARC select ARCH_HAS_CACHE_LINE_SIZE select ARCH_HAS_DEBUG_VM_PGTABLE select ARCH_HAS_DMA_PREP_COHERENT + select ARCH_HAS_DPS_ROOT_PARTITION_TYPE_UUID select ARCH_HAS_PTE_SPECIAL select ARCH_HAS_SETUP_DMA_OPS select ARCH_HAS_SYNC_DMA_FOR_CPU diff --git a/arch/arc/include/asm/dps_root.h b/arch/arc/include/asm/dps_root.h new file mode 100644 index 000000000000..c9db3ddf1a53 --- /dev/null +++ b/arch/arc/include/asm/dps_root.h @@ -0,0 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#ifndef _ASM_ARC_DPS_ROOT_H +#define _ASM_ARC_DPS_ROOT_H + +#define DPS_ROOT_PARTITION_TYPE_UUID "d27f46ed-2919-4cb8-bd25-9531f3c16534" + +#endif /* _ASM_ARC_DPS_ROOT_H */ -- 2.53.0 _______________________________________________ linux-snps-arc mailing list [email protected] http://lists.infradead.org/mailman/listinfo/linux-snps-arc
