[PATCH v5 2/5] cramfs: make cramfs_physmem usable as root fs

[Nicolas Pitre]

Signed-off-by: Nicolas Pitre <n...@linaro.org>
Tested-by: Chris Brandt <chris.bra...@renesas.com>
---
 init/do_mounts.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/init/do_mounts.c b/init/do_mounts.c
index c2de5104aa..43b5817f60 100644
--- a/init/do_mounts.c
+++ b/init/do_mounts.c
@@ -556,6 +556,14 @@ void __init prepare_namespace(void)
                ssleep(root_delay);
        }
 
+       if (IS_ENABLED(CONFIG_CRAMFS_PHYSMEM) && root_fs_names &&
+           !strcmp(root_fs_names, "cramfs_physmem")) {
+               int err = do_mount_root("cramfs", "cramfs_physmem",
+                                       root_mountflags, root_mount_data);
+               if (!err)
+                       goto out;
+       }
+
        /*
         * wait for the known devices to complete their probing
         *
-- 
2.9.5