linux-kernel - Re: [PATCH] hwmon: SENSORS

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Message-ID: <20201216201747.GB68047@roeck-us.net>
Date:   Wed, 16 Dec 2020 12:17:47 -0800
From:   Guenter Roeck <linux@...ck-us.net>
To:     Kun Yi <kunyi@...gle.com>
Cc:     Geert Uytterhoeven <geert@...ux-m68k.org>,
        Jean Delvare <jdelvare@...e.com>, linux-hwmon@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] hwmon: SENSORS_SBTSI should depend on X86

On Wed, Dec 16, 2020 at 09:27:28AM -0800, Kun Yi wrote:
> On Wed, Dec 16, 2020 at 8:31 AM Guenter Roeck <linux@...ck-us.net> wrote:
> >
> > On Wed, Dec 16, 2020 at 02:46:41PM +0100, Geert Uytterhoeven wrote:
> > > The AMD SB Temperature Sensor Interface (SB-TSI) is only present on AMD
> > > X86 SoCs.  Hence add a dependency on X86, to prevent asking the user
> > > about this driver when configuring a kernel without AMD X86 platform
> > > support.
> 
> Sorry, I think there is some confusion. AMD SoC is a 'remote sensor',
> or the client, whereas the device using the SB-TSI hwmon driver is the
> master.
> In industry, a typical scenario is ARM-based Board Management
> Controllers (BMCs) using SB-TSI to monitor the host CPU temperature.
> 
Ah, good point. I'll drop this patch.

Thanks,
Guenter