diff options
| author | Felix Fietkau <nbd@nbd.name> | 2021-04-10 17:00:57 +0200 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2021-04-10 17:02:05 +0200 |
| commit | 734c3f71482d5234f320f9b2b9acd8c51be51ae6 (patch) | |
| tree | 671ad36a3213fb8463c56266ac765a7cc1b3d59f /target/linux/generic/hack-5.10 | |
| parent | f07fe36f22fcf3f3da4e0440dfc5c39516e2cb55 (diff) | |
| download | upstream-734c3f71482d5234f320f9b2b9acd8c51be51ae6.tar.gz upstream-734c3f71482d5234f320f9b2b9acd8c51be51ae6.tar.bz2 upstream-734c3f71482d5234f320f9b2b9acd8c51be51ae6.zip | |
kernel: fix mtd squashfs root regression on targets with CONFIG_FIT_PARTITION
Move 480-mtd-set-rootfs-to-be-root-dev.patch to hack-5.10 and fix assumption
about the block device index.
Fixes: 2809d0000744 ("kernel: support FIT partition parser on mtdblock devices")
Acked-by: Daniel Golle <daniel@makrotopia.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'target/linux/generic/hack-5.10')
| -rw-r--r-- | target/linux/generic/hack-5.10/402-mtd-blktrans-call-add-disks-after-mtd-device.patch | 4 | ||||
| -rw-r--r-- | target/linux/generic/hack-5.10/420-mtd-set-rootfs-to-be-root-dev.patch | 42 |
2 files changed, 44 insertions, 2 deletions
diff --git a/target/linux/generic/hack-5.10/402-mtd-blktrans-call-add-disks-after-mtd-device.patch b/target/linux/generic/hack-5.10/402-mtd-blktrans-call-add-disks-after-mtd-device.patch index bc9e84cac1..77ecd9b72f 100644 --- a/target/linux/generic/hack-5.10/402-mtd-blktrans-call-add-disks-after-mtd-device.patch +++ b/target/linux/generic/hack-5.10/402-mtd-blktrans-call-add-disks-after-mtd-device.patch @@ -74,7 +74,7 @@ Signed-off-by: Daniel Golle <daniel@makrotopia.org> unsigned long flags; --- a/drivers/mtd/mtdcore.c +++ b/drivers/mtd/mtdcore.c -@@ -32,6 +32,7 @@ +@@ -31,6 +31,7 @@ #include <linux/mtd/mtd.h> #include <linux/mtd/partitions.h> @@ -82,7 +82,7 @@ Signed-off-by: Daniel Golle <daniel@makrotopia.org> #include "mtdcore.h" -@@ -858,6 +859,8 @@ int mtd_device_parse_register(struct mtd +@@ -848,6 +849,8 @@ int mtd_device_parse_register(struct mtd register_reboot_notifier(&mtd->reboot_notifier); } diff --git a/target/linux/generic/hack-5.10/420-mtd-set-rootfs-to-be-root-dev.patch b/target/linux/generic/hack-5.10/420-mtd-set-rootfs-to-be-root-dev.patch new file mode 100644 index 0000000000..91a91b36ca --- /dev/null +++ b/target/linux/generic/hack-5.10/420-mtd-set-rootfs-to-be-root-dev.patch @@ -0,0 +1,42 @@ +From: Gabor Juhos <juhosg@openwrt.org> +Subject: kernel/3.1[02]: move MTD root device setup code to mtdcore + +The current code only allows to automatically set +root device on MTD partitions. Move the code to MTD +core to allow to use it with all MTD devices. + +Signed-off-by: Gabor Juhos <juhosg@openwrt.org> +--- + drivers/mtd/mtdcore.c | 10 ++++++++++ + 1 file changed, 10 insertions(+) + +--- a/drivers/mtd/mtdcore.c ++++ b/drivers/mtd/mtdcore.c +@@ -27,6 +27,7 @@ + #include <linux/reboot.h> + #include <linux/leds.h> + #include <linux/debugfs.h> ++#include <linux/root_dev.h> + #include <linux/nvmem-provider.h> + + #include <linux/mtd/mtd.h> +@@ -694,6 +695,19 @@ int add_mtd_device(struct mtd_info *mtd) + of this try_ nonsense, and no bitching about it + either. :) */ + __module_get(THIS_MODULE); ++ ++ if (!strcmp(mtd->name, "rootfs") && ++ IS_ENABLED(CONFIG_MTD_ROOTFS_ROOT_DEV) && ++ ROOT_DEV == 0) { ++ unsigned int index = mtd->index; ++ pr_notice("mtd: device %d (%s) set to be root filesystem\n", ++ mtd->index, mtd->name); ++#ifdef CONFIG_FIT_PARTITION ++ index <<= 1; ++#endif ++ ROOT_DEV = MKDEV(MTD_BLOCK_MAJOR, index); ++ } ++ + return 0; + + fail_nvmem_add: |