On Thu, Sep 21, 2017 at 11:02:31AM -0700, Randy Dunlap wrote:

> spi-sprd-adi.c:(.text+0x3ee): undefined reference to `__hwspin_unlock'
> 
> v2: allow build with or without HWSPINLOCK, but restrict to =m
> if HWSPINLOCK=m.
> 
> Signed-off-by: Randy Dunlap <rdunlap@infradead.org>

Please put inter version changelogs after the --- as covered in
SubmittingPatches.  This still seems like the stubs aren't doing the
right thing - if we can use hwspinlocks in a module when they're enabled
I'd expect to be able to build the stubs that way too.