linux-kernel - Re: [PATCH v2 08/11] thermal: tsens: Check if the IP is correctly enabled by firmware

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Message-ID: <CAP245DWdePT5LZ1Sk20eea5Nx76ESMSz3Yp9b-UbNajT7fsFvQ@mail.gmail.com>
Date:   Thu, 6 Sep 2018 15:30:43 +0530
From:   Amit Kucheria <amit.kucheria@...aro.org>
To:     Bjorn Andersson <bjorn.andersson@...aro.org>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Rajendra Nayak <rnayak@...eaurora.org>,
        linux-arm-msm <linux-arm-msm@...r.kernel.org>,
        Eduardo Valentin <edubezval@...il.com>,
        smohanad@...eaurora.org, Andy Gross <andy.gross@...aro.org>,
        Doug Anderson <dianders@...omium.org>, mka@...omium.org,
        Zhang Rui <rui.zhang@...el.com>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Linux PM list <linux-pm@...r.kernel.org>
Subject: Re: [PATCH v2 08/11] thermal: tsens: Check if the IP is correctly
 enabled by firmware

On Tue, Sep 4, 2018 at 2:15 AM Bjorn Andersson
<bjorn.andersson@...aro.org> wrote:
>
> On Thu 30 Aug 12:23 PDT 2018, Amit Kucheria wrote:
>
> > On Tue, Aug 28, 2018 at 7:08 PM, Amit Kucheria <amit.kucheria@...aro.org> wrote:
> > > The SROT registers are initialised by the secure firmware at boot. We
> > > don't have write access to the registers. Check if the block is enabled
> > > before continuing.
> > >
> > > Signed-off-by: Amit Kucheria <amit.kucheria@...aro.org>
> > > Reviewed-by: Matthias Kaehlcke <mka@...omium.org>
> > > ---
> > >  drivers/thermal/qcom/tsens-common.c | 17 +++++++++++++++++
> > >  1 file changed, 17 insertions(+)
> > >
> > > diff --git a/drivers/thermal/qcom/tsens-common.c b/drivers/thermal/qcom/tsens-common.c
> > > index 0b8a793f15f4..d250b757d1f0 100644
> > > --- a/drivers/thermal/qcom/tsens-common.c
> > > +++ b/drivers/thermal/qcom/tsens-common.c
> > > @@ -12,6 +12,11 @@
> > >  #include <linux/regmap.h>
> > >  #include "tsens.h"
> > >
> > > +/* SROT */
> > > +#define CTRL_OFFSET            0x4
> >
> > This OFFSET is not constant across the TSENS family and breaks atleast
> > one platform in the test below. I have a patch to fix this for all
> > platforms, will post it after a bit more testing.
> >
>
> Afaict the other 10 patches can be merged independently of this patch.
>
> So please make the minor updates and resend them as a separate series,
> with the acks/reviews, to make it easier for Eduardo to just pick them.
>

Will do.