On Wednesday 13 April 2016 11:15:13 David Miller wrote:
> From: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
> Date: Wed, 13 Apr 2016 17:50:28 +1000
>
> > After merging the net-next tree, today's linux-next build (arm
> > allmodconfig) failed like thisi (this has actually been failing for a
> > few days, now):
> >
> > ERROR: "__bad_udelay" [drivers/net/ethernet/intel/ixgbe/ixgbe.ko] undefined!
> >
> > Caused by commit
> >
> > 49425dfc7451 ("ixgbe: Add support for x550em_a 10G MAC type")
> >
> > arm only allows udelay()s up to 2 milliseconds. This commit
> > adds a 5 ms udelay in ixgbe_acquire_swfw_sync_x550em_a() in
> > drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c.
>
> Jeff, please have your folks look into this. Probably just a simple
> conversion to mdelay().
>
I sent a patch, pretty sure we can use msleep() here rather than
a wasteful mdelay().
Arnd
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