From mboxrd@z Thu Jan  1 00:00:00 1970
From: Joerg Roedel <joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
Subject: Re: [PATCH 1/6] driver core: Introduce device_iommu_mapped() function
Date: Tue, 11 Dec 2018 16:18:06 +0100
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To: Sergei Shtylyov <sergei.shtylyov-M4DtvfQ/ZS1MRgGoP+s0PdBPR1lH4CV8@public.gmane.org>
Cc: Mathias Nyman <mathias.nyman-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>, Greg Kroah-Hartman <gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org>, Sam Bobroff <sbobroff-tEXmvtCZX7AybS5Ee8rs3A@public.gmane.org>, Benjamin Herrenschmidt <benh-XVmvHMARGAS8U2dJNN8I7kB+6BGkLq7r@public.gmane.org>, Sudeep Holla <sudeep.holla-5wv7dgnIgG8@public.gmane.org>, Vinod Koul <vkoul-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-acpi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, jroedel-l3A5Bk7waGM@public.gmane.org, oohall-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, Michael Ellerman <mpe-Gsx/Oe8HsFggBc27wqDAHg@public.gmane.org>, Russell Currey <ruscur-3Su/lFKaw5ejKv3TNrM5DQ@public.gmane.org>, dmaengine-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Paul Mackerras <paulus-eUNUBHrolfbYtjvyW6yDsg@public.gmane.org>, Dan Williams <dan.j.williams-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>, linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
List-Id: linux-acpi@vger.kernel.org

On Tue, Dec 11, 2018 at 05:59:33PM +0300, Sergei Shtylyov wrote:
> > +static inline bool device_iommu_mapped(struct device *dev)
> > +{
> > +	return (dev->iommu_group != NULL);
> 
>    You know that parens are unnecessary here, right? :-)

Yes, I know, but it feels incomplete to me without them :-)

	Joerg