Re: [PATCHv7 0/3] QCOM smmu-500 wait-for-safe handling for sdm845

[Will Deacon]

On Mon, Nov 04, 2019 at 03:15:06PM +0000, Will Deacon wrote:
> On Sun, Nov 03, 2019 at 11:19:25PM -0600, Andy Gross wrote:
> > On Fri, Nov 01, 2019 at 11:01:59PM +0530, Sai Prakash Ranjan wrote:
> > > >>> What's the plan for getting this merged? I'm not happy taking the
> > > >>> firmware
> > > >>> bits without Andy's ack, but I also think the SMMU changes should go via
> > > >>> the IOMMU tree to avoid conflicts.
> > > >>>
> > > >>> Andy?
> > > >>>
> > > >>
> > > >>Bjorn maintains QCOM stuff now if I am not wrong and he has already
> > > >>reviewed
> > > >>the firmware bits. So I'm hoping you could take all these through IOMMU
> > > >>tree.
> > > >
> > > >Oh, I didn't realise that. Is there a MAINTAINERS update someplace? If I
> > > >run:
> > > >
> > > >$ ./scripts/get_maintainer.pl -f drivers/firmware/qcom_scm-64.c
> > > >
> > > >in linux-next, I get:
> > > >
> > > >Andy Gross <agross@xxxxxxxxxx> (maintainer:ARM/QUALCOMM SUPPORT)
> > > >linux-arm-msm@xxxxxxxxxxxxxxx (open list:ARM/QUALCOMM SUPPORT)
> > > >linux-kernel@xxxxxxxxxxxxxxx (open list)
> > > >
> > > 
> > > It hasn't been updated yet then. I will leave it to Bjorn or Andy to comment
> > > on this.
> > 
> > The rumors of my demise have been greatly exaggerated.  All kidding aside, I
> > ack'ed both.  Bjorn will indeed be coming on as a co-maintener at some point.
> > He has already done a lot of yeomans work in helping me out the past 3 months.
> 
> Cheers Andy, and I'm pleased to hear that you're still with us! I've queued
> this lot for 5.5 and I'll send to Joerg this week.

Bah, in doing so I spotted that the existing code doesn't handle error codes
properly because 'a0' is unsigned. I'll queue the patch below at the start
of the series.

Will

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