RE: [PATCH v3 2/2] Support NVIDIA BlueField-3 pinctrl driver

From: Asmaa Mnebhi
Date: Thu Feb 16 2023 - 14:26:55 EST




-----Original Message-----
From: Andy Shevchenko <andriy.shevchenko@xxxxxxxxx>
Sent: Thursday, February 16, 2023 1:54 PM
To: Asmaa Mnebhi <asmaa@xxxxxxxxxx>
Cc: linux-gpio@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; linux-acpi@xxxxxxxxxxxxxxx
Subject: Re: [PATCH v3 2/2] Support NVIDIA BlueField-3 pinctrl driver
Importance: High

On Thu, Feb 16, 2023 at 06:44:58PM +0000, Asmaa Mnebhi wrote:
> > > +config PINCTRL_MLXBF
> > > + tristate "NVIDIA BlueField-3 SoC Pinctrl driver"
> > > + depends on (MELLANOX_PLATFORM && ARM64 && ACPI)
> >
> > This is wrong.
> > Please make sure you cover more testing.
> > Also, do you really need an ACPI dependency?
> >
> > Could you please provide more details on why this is wrong? All our
> > upstreamed drivers use the same "depends on" Our pinctrl driver only
> > applies to Mellanox platforms, ARM64 and use ACPI tables.
>
> This is wrong because it narrows down testing coverage.
>
> Besides that you need to define functional and build dependencies separately.
>
> ACPI probably is not what you are using in the driver. I do not
> believe you have at all dependency on it.
>
> Noted, I will define function and build dependencies separately.
> We have our own custom UEFI for BlueField SoCs so ACPI tables are our
> only options (for users/customer etc... as well)

I understand that, but I'm pretty sure that driver can be compiled with ACPI=n which is good for testing coverage.

Ah! OK, understood. Will remove it then.