linux-kernel - Re: [PATCH 6/7] cxl/mem: Create a helper to setup device regs

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Date:   Thu, 15 Apr 2021 15:54:00 -0700
From:   Dan Williams <dan.j.williams@...el.com>
To:     Ben Widawsky <ben.widawsky@...el.com>
Cc:     linux-cxl@...r.kernel.org, Linux PCI <linux-pci@...r.kernel.org>,
        Linux ACPI <linux-acpi@...r.kernel.org>,
        "Weiny, Ira" <ira.weiny@...el.com>,
        Vishal L Verma <vishal.l.verma@...el.com>,
        "Schofield, Alison" <alison.schofield@...el.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 6/7] cxl/mem: Create a helper to setup device regs

On Wed, Apr 7, 2021 at 3:26 PM Ben Widawsky <ben.widawsky@...el.com> wrote:
>
> Memory devices have a list of required register regions within the
> register block, but this isn't required of all CXL components or
> devices. To make things more tidy, and allow for easily setting up other
> block types in this loop, the helper is introduced.

I don't understand the point of this or the organization choice.
cxl_setup_device_regs() *is* the core implementation so there
shouldn't be a "__" prefixed version wrapping it. I agree that some
users will not care that some of the device registers are not found,
but that won't be cxl_mem_setup_regs() making that call.