On Mon, Mar 5, 2018 at 12:22 AM, Quentin Schulz <quentin.sch...@bootlin.com> wrote: > Thanks to the MODALIAS line at the beginning of mdev.conf, mdev supports > module auto probing on hotplug. > > However, this does not work for cold plugged modules (i.e. modules for > devices that were probed before mdev is added as hotplug handler). > Running mdev -s to replay hotplug events does not work in that case. > > Let's manually modprobe all modules in the rootfs. > > Taken from: > - > https://github.com/buildroot/buildroot/commit/07f46c2b6daec44a6176039c90be67e66c4c2e42 > - > https://github.com/buildroot/buildroot/commit/b4fc5a180c81689a982d5c595844331684c14f51 > > We need xargs to support zero termination of args so let's enable this > configuration in the fragment for mdev. > > Signed-off-by: Quentin Schulz <quentin.sch...@bootlin.com> > --- > meta/recipes-core/busybox/busybox/mdev.cfg | 2 ++ > meta/recipes-core/busybox/files/mdev | 1 + > 2 files changed, 3 insertions(+) > > diff --git a/meta/recipes-core/busybox/busybox/mdev.cfg > b/meta/recipes-core/busybox/busybox/mdev.cfg > index 6aefe90e43..0d60fc9560 100644 > --- a/meta/recipes-core/busybox/busybox/mdev.cfg > +++ b/meta/recipes-core/busybox/busybox/mdev.cfg > @@ -9,3 +9,5 @@ CONFIG_SETSID=y > CONFIG_CTTYHACK=y > > CONFIG_FEATURE_SHADOWPASSWDS=y > + > +CONFIG_FEATURE_XARGS_SUPPORT_ZERO_TERM=y > diff --git a/meta/recipes-core/busybox/files/mdev > b/meta/recipes-core/busybox/files/mdev > index 8c9c06e96c..165b275256 100755 > --- a/meta/recipes-core/busybox/files/mdev > +++ b/meta/recipes-core/busybox/files/mdev > @@ -9,6 +9,7 @@ touch /dev/mdev.seq > #sysctl -w kernel.hotplug=/sbin/mdev > echo "/sbin/mdev" > /proc/sys/kernel/hotplug > mdev -s > +find /sys/ -name modalias -print0 | xargs -0 sort -u -z | xargs -0 modprobe > -abq >
will this execute on every boot ? -- _______________________________________________ Openembedded-core mailing list Openembedded-core@lists.openembedded.org http://lists.openembedded.org/mailman/listinfo/openembedded-core
