On Thu, Jul 12, 2018 at 09:08:22AM -0600, Tycho Andersen wrote:
> On Thu, Jul 12, 2018 at 05:04:38PM +0200, Greg Kroah-Hartman wrote:
> > On Wed, Jul 11, 2018 at 10:07:44AM -0600, Tycho Andersen wrote:
> > > + if (uport)
> > > +         spin_lock_irqsave(&uport->lock, flags);
> > 
> > That's the same thing as just calling uart_port_lock(), why aren't you
> > doing that?
> 
> Because the compiler can't seem to "see" through the macros/ref calls,
> and I get the warning I mentioned here if I use them:
> 
> https://lkml.org/lkml/2018/7/6/840

What horrible version of gcc are you using that give you that?  Don't
open-code things just because of a broken compiler.

thanks,

greg k-h

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