openwrtv4/target/linux/generic/patches-4.1/480-mtd-set-rootfs-to-be-root-dev.patch
Jonas Gorski a0c49ef46f generic: add linux 4.1 support
Boot tested: http://pastebin.com/L6aAb9xj

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
[jogo:
  update to 4.1 final
  add patches added since submission
  delete patches applied in later rcs
  restore commit messages in 220-gc-sections and 304-mips_disable_fpu
  fix 050-backport_netfilter_rtcache to match new API
  update inlined dma ops with upstream changes
  add missing config symbols
  enabled CONFIG_MULTIUSER
  update kmod defintions for 4.1
]
Signed-off-by: Jonas Gorski <jogo@openwrt.org>

SVN-Revision: 46112
2015-06-22 12:27:59 +00:00

26 lines
703 B
Diff

--- a/drivers/mtd/mtdcore.c
+++ b/drivers/mtd/mtdcore.c
@@ -39,6 +39,7 @@
#include <linux/slab.h>
#include <linux/reboot.h>
#include <linux/kconfig.h>
+#include <linux/root_dev.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
@@ -448,6 +449,15 @@ 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") &&
+ config_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: