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authorHauke Mehrtens <hauke@hauke-m.de>2018-11-01 17:57:55 +0100
committerHauke Mehrtens <hauke@hauke-m.de>2018-12-15 12:50:06 +0100
commit52a82ce3dd901a1536c7d7d9d963e9c2d761c816 (patch)
tree79020fb59420fcea7bdc4b12272f7251e101fe64 /target/linux/generic/pending-4.19/480-mtd-set-rootfs-to-be-root-dev.patch
parenta272af75cd8c67d265400f96c1e6bb172315c23c (diff)
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kernel: Copy patches from kernel 4.14 to 4.19
This just copies the files from the kernel 4.14 specific folders into the kernel 4.19 specific folder, no changes are done to the files in this commit. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Diffstat (limited to 'target/linux/generic/pending-4.19/480-mtd-set-rootfs-to-be-root-dev.patch')
-rw-r--r--target/linux/generic/pending-4.19/480-mtd-set-rootfs-to-be-root-dev.patch38
1 files changed, 38 insertions, 0 deletions
diff --git a/target/linux/generic/pending-4.19/480-mtd-set-rootfs-to-be-root-dev.patch b/target/linux/generic/pending-4.19/480-mtd-set-rootfs-to-be-root-dev.patch
new file mode 100644
index 0000000000..6cddaf01b7
--- /dev/null
+++ b/target/linux/generic/pending-4.19/480-mtd-set-rootfs-to-be-root-dev.patch
@@ -0,0 +1,38 @@
+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
+@@ -41,6 +41,7 @@
+ #include <linux/reboot.h>
+ #include <linux/leds.h>
+ #include <linux/debugfs.h>
++#include <linux/root_dev.h>
+
+ #include <linux/mtd/mtd.h>
+ #include <linux/mtd/partitions.h>
+@@ -578,6 +579,15 @@ 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) {
++ pr_notice("mtd: device %d (%s) set to be root filesystem\n",
++ mtd->index, mtd->name);
++ ROOT_DEV = MKDEV(MTD_BLOCK_MAJOR, mtd->index);
++ }
++
+ return 0;
+
+ fail_added: