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Message-ID: <df6ab72faf9f1484f7f850ad7386f76b60e5bf02.camel@intel.com>
Date: Tue, 21 Mar 2023 10:29:22 +0000
From: "Winiarska, Iwona" <iwona.winiarska@...el.com>
To: "pmenzel@...gen.mpg.de" <pmenzel@...gen.mpg.de>
CC: "linux@...ck-us.net" <linux@...ck-us.net>,
"andriy.shevchenko@...ux.intel.com"
<andriy.shevchenko@...ux.intel.com>,
"linux-hwmon@...r.kernel.org" <linux-hwmon@...r.kernel.org>,
"openbmc@...ts.ozlabs.org" <openbmc@...ts.ozlabs.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"jdelvare@...e.com" <jdelvare@...e.com>,
"fercerpav@...il.com" <fercerpav@...il.com>
Subject: Re: [PATCH] hwmon: (peci/cputemp) Fix miscalculated DTS for SKX
On Tue, 2023-03-21 at 10:41 +0100, Paul Menzel wrote:
> Dear Iwona,
>
>
> Am 21.03.23 um 10:04 schrieb Iwona Winiarska:
> > For Skylake, DTS temperature of the CPU is reported in S10.6 format
> > instead of S8.8.
> >
> > Reported-by: Paul Fertser <fercerpav@...il.com>
> > Link: https://lore.kernel.org/lkml/ZBhHS7v+98NK56is@home.paul.comp/
> > Signed-off-by: Iwona Winiarska <iwona.winiarska@...el.com>
> > ---
> > drivers/hwmon/peci/cputemp.c | 8 +++++++-
> > 1 file changed, 7 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/hwmon/peci/cputemp.c b/drivers/hwmon/peci/cputemp.c
> > index 30850a479f61..87d56f0fc888 100644
> > --- a/drivers/hwmon/peci/cputemp.c
> > +++ b/drivers/hwmon/peci/cputemp.c
> > @@ -537,6 +537,12 @@ static const struct cpu_info cpu_hsx = {
> > .thermal_margin_to_millidegree =
> > &dts_eight_dot_eight_to_millidegree,
> > };
> >
> > +static const struct cpu_info cpu_skx = {
> > + .reg = &resolved_cores_reg_hsx,
>
> This is not aligned. Why not only use one space before the equal sign?
Yeah - same alignment problem is present in cpu_hsx and cpu_icx though, so I
just followed along for skx to not stand out visually.
So while I agree that alignment is broken here, I think it might be better to
separate out the potential cleanup from the fix.
Thanks
-Iwona
>
> > + .min_peci_revision = 0x33,
> > + .thermal_margin_to_millidegree = &dts_ten_dot_six_to_millidegree,
> > +};
> > +
> > static const struct cpu_info cpu_icx = {
> > .reg = &resolved_cores_reg_icx,
> > .min_peci_revision = 0x40,
> > @@ -558,7 +564,7 @@ static const struct auxiliary_device_id
> > peci_cputemp_ids[] = {
> > },
> > {
> > .name = "peci_cpu.cputemp.skx",
> > - .driver_data = (kernel_ulong_t)&cpu_hsx,
> > + .driver_data = (kernel_ulong_t)&cpu_skx,
> > },
> > {
> > .name = "peci_cpu.cputemp.icx",
>
>
> Kind regards,
>
> Paul
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