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| author | Rafał Miłecki <rafal@milecki.pl> | 2022-11-07 19:24:48 +0100 |
|---|---|---|
| committer | Rafał Miłecki <rafal@milecki.pl> | 2022-11-21 16:37:24 +0100 |
| commit | 932378aeb6fa38c922f1d9fdc5791b611594fa05 (patch) | |
| tree | 09e713d6aeaa7c4fb34d73b4c53c840dd5bd20fd /target/linux/generic/hack-5.10/420-mtd-set-rootfs-to-be-root-dev.patch | |
| parent | af20d9d03bbe080fd9b27024acf5fca7bec15e4f (diff) | |
| download | upstream-932378aeb6fa38c922f1d9fdc5791b611594fa05.tar.gz upstream-932378aeb6fa38c922f1d9fdc5791b611594fa05.tar.bz2 upstream-932378aeb6fa38c922f1d9fdc5791b611594fa05.zip | |
kernel: backport support for "linux,rootfs" in DT
This DT property allows marking flash partition that Linux should use as
a root device. It's useful for devices that don't use U-Boot and cmdline
parser for partitioning. It may be used with "fixed-partitions" or some
dynamic partitioning based on flash content.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
(cherry picked from commit d33e49857e3ad76586ebe55334996b15cd45ca1b)
Diffstat (limited to 'target/linux/generic/hack-5.10/420-mtd-set-rootfs-to-be-root-dev.patch')
| -rw-r--r-- | target/linux/generic/hack-5.10/420-mtd-set-rootfs-to-be-root-dev.patch | 39 |
1 files changed, 0 insertions, 39 deletions
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 deleted file mode 100644 index a70d8af4c2..0000000000 --- a/target/linux/generic/hack-5.10/420-mtd-set-rootfs-to-be-root-dev.patch +++ /dev/null @@ -1,39 +0,0 @@ -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> -@@ -759,6 +760,16 @@ 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); -+ ROOT_DEV = MKDEV(MTD_BLOCK_MAJOR, index); -+ } -+ - return 0; - - fail_nvmem_add: |