[Buildroot] [PATCH] package/busybox: support automatic module loading with mdev
Andy Shevchenko
andriy.shevchenko at linux.intel.com
Fri Dec 2 12:52:50 UTC 2016
On Wed, 2016-03-09 at 23:08 +0100, Peter Korsgaard wrote:
> > > > > > "Peter" == Peter Korsgaard <peter at korsgaard.com> writes:
>
> > A recently discussed on the mailing list:
> > http://lists.busybox.net/pipermail/buildroot/2016-February/154189.h
> tml
>
> > Our mdev configuration currently doesn't handle module loading. Fix
> that by:
>
> > - Telling mdev to run modprobe on hotplug events providing MODALIAS
>
> > - Adjust the init script to handle coldplug modalias events (E.G.
> modules
> > for which the devices were already present before mdev was added
> as the
> > hotplug handler). mdev -s should arguable handle this, but it
> doesn't.
>
> > Cc: Arnout Vandecappelle <arnout at mind.be>
> > Signed-off-by: Peter Korsgaard <peter at korsgaard.com>
>
> Committed, thanks.
>
Sorry for bring this topic back, but this script still doesn't work
properly.
Among modaliases I have the following:
of:Neep0TCatmel,at25
And with the script:
# find /sys/ -name modalias -print0 | xargs -0 sort -u -z | xargs -0
modprobe -abq
#
Manually:
# modprobe -abq of:Neep0TCatmel,at25
[ 988.523305] at25 spi-PRP0001:00: 1 KByte at25 eeprom, pagesize 32
I'm afraid my (or similar) solution would do job better, i.e. serialize
probing one-by-one.
--
Andy Shevchenko <andriy.shevchenko at linux.intel.com>
Intel Finland Oy
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