kernel: drop unused arch_split_mtd_part()

No single target/arch uses it and most likely there is no need to make
such a potential code target/arch specific.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>

target/linux/generic/pending-4.14/400-mtd-add-rootfs-split-support.patch

@@ -68,7 +68,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
  
  	mtd_add_partition_attrs(new);
  
-@@ -736,6 +741,36 @@ int mtd_del_partition(struct mtd_info *m
+@@ -736,6 +741,29 @@ int mtd_del_partition(struct mtd_info *m
  }
  EXPORT_SYMBOL_GPL(mtd_del_partition);
  
@@ -82,11 +82,6 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
 +{
 +}
 +
-+void __weak arch_split_mtd_part(struct mtd_info *master, const char *name,
-+                                int offset, int size)
-+{
-+}
-+
 +static void mtd_partition_split(struct mtd_info *master, struct mtd_part *part)
 +{
 +	static int rootfs_found = 0;
@@ -98,14 +93,12 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
 +	    !strcmp(part->mtd.name, SPLIT_FIRMWARE_NAME) &&
 +	    !of_find_property(mtd_get_of_node(&part->mtd), "compatible", NULL))
 +		split_firmware(master, part);
-+
-+	arch_split_mtd_part(master, part->mtd.name, part->offset,
-+			    part->mtd.size);
 +}
++
  /*
   * This function, given a master MTD object and a partition table, creates
   * and registers slave MTD objects which are bound to the master according to
-@@ -767,6 +802,7 @@ int add_mtd_partitions(struct mtd_info *
+@@ -767,6 +795,7 @@ int add_mtd_partitions(struct mtd_info *
  		mutex_unlock(&mtd_partitions_mutex);
  
  		add_mtd_device(&slave->mtd);
@@ -113,13 +106,3 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
  		mtd_add_partition_attrs(slave);
  		/* Look for subpartitions */
  		parse_mtd_partitions(&slave->mtd, parts[i].types, NULL);
---- a/include/linux/mtd/partitions.h
-+++ b/include/linux/mtd/partitions.h
-@@ -110,5 +110,7 @@ int mtd_add_partition(struct mtd_info *m
- 		      long long offset, long long length);
- int mtd_del_partition(struct mtd_info *master, int partno);
- uint64_t mtd_get_device_size(const struct mtd_info *mtd);
-+extern void __weak arch_split_mtd_part(struct mtd_info *master,
-+				       const char *name, int offset, int size);
- 
- #endif

target/linux/generic/pending-4.14/401-mtd-add-support-for-different-partition-parser-types.patch

@@ -57,7 +57,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
  #ifdef CONFIG_MTD_SPLIT_FIRMWARE_NAME
  #define SPLIT_FIRMWARE_NAME	CONFIG_MTD_SPLIT_FIRMWARE_NAME
  #else
-@@ -1119,6 +1153,61 @@ void mtd_part_parser_cleanup(struct mtd_
+@@ -1112,6 +1146,61 @@ void mtd_part_parser_cleanup(struct mtd_
  	}
  }
  

target/linux/generic/pending-4.14/402-mtd-use-typed-mtd-parsers-for-rootfs-and-firmware-split.patch

@@ -17,8 +17,8 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
 +	run_parsers_by_type(part, MTD_PARSER_TYPE_FIRMWARE);
  }
  
- void __weak arch_split_mtd_part(struct mtd_info *master, const char *name,
-@@ -797,6 +798,12 @@ static void mtd_partition_split(struct m
+ static void mtd_partition_split(struct mtd_info *master, struct mtd_part *part)
+@@ -792,6 +793,12 @@ static void mtd_partition_split(struct m
  	if (rootfs_found)
  		return;
  

target/linux/generic/pending-4.14/404-mtd-add-more-helper-functions.patch

@@ -11,7 +11,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
 
 --- a/drivers/mtd/mtdpart.c
 +++ b/drivers/mtd/mtdpart.c
-@@ -1232,6 +1232,24 @@ int mtd_is_partition(const struct mtd_in
+@@ -1225,6 +1225,24 @@ int mtd_is_partition(const struct mtd_in
  }
  EXPORT_SYMBOL_GPL(mtd_is_partition);
  
@@ -72,5 +72,5 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
 +struct mtd_info *mtdpart_get_master(const struct mtd_info *mtd);
 +uint64_t mtdpart_get_offset(const struct mtd_info *mtd);
  uint64_t mtd_get_device_size(const struct mtd_info *mtd);
- extern void __weak arch_split_mtd_part(struct mtd_info *master,
- 				       const char *name, int offset, int size);
+ 
+ #endif

target/linux/generic/pending-4.9/400-mtd-add-rootfs-split-support.patch

@@ -68,7 +68,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
  
  	mtd_add_partition_attrs(new);
  
-@@ -728,6 +733,36 @@ int mtd_del_partition(struct mtd_info *m
+@@ -728,6 +733,29 @@ int mtd_del_partition(struct mtd_info *m
  }
  EXPORT_SYMBOL_GPL(mtd_del_partition);
  
@@ -82,11 +82,6 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
 +{
 +}
 +
-+void __weak arch_split_mtd_part(struct mtd_info *master, const char *name,
-+                                int offset, int size)
-+{
-+}
-+
 +static void mtd_partition_split(struct mtd_info *master, struct mtd_part *part)
 +{
 +	static int rootfs_found = 0;
@@ -98,14 +93,12 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
 +	    !strcmp(part->mtd.name, SPLIT_FIRMWARE_NAME) &&
 +	    !of_find_property(mtd_get_of_node(&part->mtd), "compatible", NULL))
 +		split_firmware(master, part);
-+
-+	arch_split_mtd_part(master, part->mtd.name, part->offset,
-+			    part->mtd.size);
 +}
++
  /*
   * This function, given a master MTD object and a partition table, creates
   * and registers slave MTD objects which are bound to the master according to
-@@ -759,6 +794,7 @@ int add_mtd_partitions(struct mtd_info *
+@@ -759,6 +787,7 @@ int add_mtd_partitions(struct mtd_info *
  		mutex_unlock(&mtd_partitions_mutex);
  
  		add_mtd_device(&slave->mtd);
@@ -113,13 +106,3 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
  		mtd_add_partition_attrs(slave);
  		/* Look for subpartitions */
  		parse_mtd_partitions(&slave->mtd, parts[i].types, NULL);
---- a/include/linux/mtd/partitions.h
-+++ b/include/linux/mtd/partitions.h
-@@ -110,5 +110,7 @@ int mtd_add_partition(struct mtd_info *m
- 		      long long offset, long long length);
- int mtd_del_partition(struct mtd_info *master, int partno);
- uint64_t mtd_get_device_size(const struct mtd_info *mtd);
-+extern void __weak arch_split_mtd_part(struct mtd_info *master,
-+				       const char *name, int offset, int size);
- 
- #endif

target/linux/generic/pending-4.9/401-mtd-add-support-for-different-partition-parser-types.patch

@@ -57,7 +57,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
  #ifdef CONFIG_MTD_SPLIT_FIRMWARE_NAME
  #define SPLIT_FIRMWARE_NAME	CONFIG_MTD_SPLIT_FIRMWARE_NAME
  #else
-@@ -1116,6 +1150,61 @@ void mtd_part_parser_cleanup(struct mtd_
+@@ -1109,6 +1143,61 @@ void mtd_part_parser_cleanup(struct mtd_
  	}
  }
  

target/linux/generic/pending-4.9/402-mtd-use-typed-mtd-parsers-for-rootfs-and-firmware-split.patch

@@ -17,8 +17,8 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
 +	run_parsers_by_type(part, MTD_PARSER_TYPE_FIRMWARE);
  }
  
- void __weak arch_split_mtd_part(struct mtd_info *master, const char *name,
-@@ -789,6 +790,12 @@ static void mtd_partition_split(struct m
+ static void mtd_partition_split(struct mtd_info *master, struct mtd_part *part)
+@@ -784,6 +785,12 @@ static void mtd_partition_split(struct m
  	if (rootfs_found)
  		return;
  

target/linux/generic/pending-4.9/404-mtd-add-more-helper-functions.patch

@@ -11,7 +11,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
 
 --- a/drivers/mtd/mtdpart.c
 +++ b/drivers/mtd/mtdpart.c
-@@ -1229,6 +1229,24 @@ int mtd_is_partition(const struct mtd_in
+@@ -1222,6 +1222,24 @@ int mtd_is_partition(const struct mtd_in
  }
  EXPORT_SYMBOL_GPL(mtd_is_partition);
  
@@ -72,5 +72,5 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
 +struct mtd_info *mtdpart_get_master(const struct mtd_info *mtd);
 +uint64_t mtdpart_get_offset(const struct mtd_info *mtd);
  uint64_t mtd_get_device_size(const struct mtd_info *mtd);
- extern void __weak arch_split_mtd_part(struct mtd_info *master,
- 				       const char *name, int offset, int size);
+ 
+ #endif