Merge tag 'for-v2020.01' of https://gitlab.denx.de/u-boot/custodians/u-boot-ubi

ubi enhancements for 2020.01
- provide a way for skipping crc checks ported from linux, and add an
  U-Boot command to set this flag on already installed systems.
- fix redundand environment management

include/env_internal.h

@@ -101,7 +101,7 @@ extern unsigned long nand_env_oob_offset;
 # ifndef CONFIG_ENV_UBI_VOLUME
 #  error "Need to define CONFIG_ENV_UBI_VOLUME when using CONFIG_ENV_IS_IN_UBI"
 # endif
-# if defined(CONFIG_ENV_UBI_VOLUME_REDUND)
+# if defined(CONFIG_ENV_UBI_IS_VOLUME_REDUND)
 #  define CONFIG_SYS_REDUNDAND_ENVIRONMENT
 # endif
 # ifndef CONFIG_ENV_SIZE

include/mtd/ubi-user.h

@@ -271,6 +271,20 @@ struct ubi_attach_req {
 	__s8 padding[10];
 };
 
+/*
+ * UBI volume flags.
+ *
+ * @UBI_VOL_SKIP_CRC_CHECK_FLG: skip the CRC check done on a static volume at
+ *				open time. Only valid for static volumes and
+ *				should only be used if the volume user has a
+ *				way to verify data integrity
+ */
+enum {
+	UBI_VOL_SKIP_CRC_CHECK_FLG = 0x1,
+};
+
+#define UBI_VOL_VALID_FLGS	(UBI_VOL_SKIP_CRC_CHECK_FLG)
+
 /**
  * struct ubi_mkvol_req - volume description data structure used in
  *                        volume creation requests.
@@ -278,7 +292,7 @@ struct ubi_attach_req {
  * @alignment: volume alignment
  * @bytes: volume size in bytes
  * @vol_type: volume type (%UBI_DYNAMIC_VOLUME or %UBI_STATIC_VOLUME)
- * @padding1: reserved for future, not used, has to be zeroed
+ * @flags: volume flags (%UBI_VOL_SKIP_CRC_CHECK_FLG)
  * @name_len: volume name length
  * @padding2: reserved for future, not used, has to be zeroed
  * @name: volume name
@@ -307,7 +321,7 @@ struct ubi_mkvol_req {
 	__s32 alignment;
 	__s64 bytes;
 	__s8 vol_type;
-	__s8 padding1;
+	__u8 flags;
 	__s16 name_len;
 	__s8 padding2[4];
 	char name[UBI_MAX_VOLUME_NAME + 1];