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bcm63xx: add linux v5.15 support

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Build system: x86_64
Build-tested: generic, smp
Run-tested: generic/AR-5387un, smp/VR-3032u

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
This commit is contained in:
Álvaro Fernández Rojas
2022-05-20 14:27:22 +02:00
parent 0f14619e30
commit 2317a7426e
133 changed files with 20886 additions and 0 deletions
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27
target/linux/bcm63xx/patches-5.15/401-bcm963xx_real_rootfs_length.patch Normal file
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@@ -0,0 +1,27 @@
--- a/include/linux/bcm963xx_tag.h
+++ b/include/linux/bcm963xx_tag.h
@@ -92,8 +92,10 @@ struct bcm_tag {
__u32 rootfs_crc;
/* 224-227: CRC32 of kernel partition */
__u32 kernel_crc;
- /* 228-235: Unused at present */
- char reserved1[8];
+ /* 228-231: Unused at present */
+ char reserved1[4];
+ /* 222-235: Openwrt: real rootfs length */
+ __u32 real_rootfs_length;
/* 236-239: CRC32 of header excluding last 20 bytes */
__u32 header_crc;
/* 240-255: Unused at present */
--- a/drivers/mtd/parsers/parser_imagetag.c
+++ b/drivers/mtd/parsers/parser_imagetag.c
@@ -136,7 +136,8 @@ static int bcm963xx_parse_imagetag_parti
} else {
/* OpenWrt layout */
rootfsaddr = kerneladdr + kernellen;
- rootfslen = spareaddr - rootfsaddr;
+ rootfslen = buf->real_rootfs_length;
+ spareaddr = rootfsaddr + rootfslen;
}
} else {
goto out;