commit 8d48c8e45724c7103f0ace7885d339e49399908b
author Brian Swetland <swetland@google.com> Thu Mar 24 15:45:30 2011 -0700
committer Brian Swetland <swetland@google.com> Fri Mar 25 13:01:35 2011 -0700
tree d63d7242a4e8184b7a840a12a65d603c26096fa5
parent e31f2cdde626a0ef6c731c98b92b5b2dc5a533f4

defer firmware load until after filesystems are mounted

In some situations a driver could try to request firmware before
/system is mounted.  Previously we'd fail the request.  Now we
will retry the read-from-filesystem every 100ms until we find the
firmware or we've finished the "fs" and "post-fs" stages of init.

Change-Id: Ie32402f7d41c818bf20f3297286ed5f99705b72c

init/init.c

diff --git a/init/init.c b/init/init.c
index e13d4b1..1e31cf9 100755
--- a/init/init.c
+++ b/init/init.c
@@ -651,6 +651,10 @@
         ERROR("init startup failure\n");
         exit(1);
     }
+
+        /* signal that we hit this point */
+    unlink("/dev/.booting");
+
     return 0;
 }
 
@@ -708,6 +712,9 @@
     mount("proc", "/proc", "proc", 0, NULL);
     mount("sysfs", "/sys", "sysfs", 0, NULL);
 
+        /* indicate that booting is in progress to background fw loaders, etc */
+    close(open("/dev/.booting", O_WRONLY | O_CREAT, 0000));
+
         /* We must have some place other than / to create the
          * device nodes for kmsg and null, otherwise we won't
          * be able to remount / read-only later on.