linux-kernel - Re: [PATCH v3 07/10] cxl/pci: Split cxl_pci_setup

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Message-ID: <CAPcyv4jHxWJQSgGFg4e5tSg8dgDcYVKrzXEN8gtg7TjNRj3h0g@mail.gmail.com>
Date:   Wed, 13 Oct 2021 15:49:30 -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 Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Christoph Hellwig <hch@....de>
Subject: Re: [PATCH v3 07/10] cxl/pci: Split cxl_pci_setup_regs()

On Wed, Oct 13, 2021 at 3:45 PM Ben Widawsky <ben.widawsky@...el.com> wrote:
>
> On 21-10-09 09:44:34, Dan Williams wrote:
> > From: Ben Widawsky <ben.widawsky@...el.com>
> >
> > In preparation for moving parts of register mapping to cxl_core, split
> > cxl_pci_setup_regs() into a helper that finds register blocks,
> > (cxl_find_regblock()), and a generic wrapper that probes the precise
> > register sets within a block (cxl_setup_regs()).
> >
> > Move the actual mapping (cxl_map_regs()) of the only register-set that
> > cxl_pci cares about (memory device registers) up a level from the former
> > cxl_pci_setup_regs() into cxl_pci_probe().
> >
> > With this change the unused component registers are no longer mapped,
> > but the helpers are primed to move into the core.
> >
> > Signed-off-by: Ben Widawsky <ben.widawsky@...el.com>
> > [djbw: rebase on the cxl_register_map refactor]
> > [djbw: drop cxl_map_regs() for component registers]
> > Signed-off-by: Dan Williams <dan.j.williams@...el.com>
>
> [snip]
>
> Did you mean to also drop the component register handling in cxl_probe_regs()
> and cxl_map_regs()?

No, because that has a soon to be added user, right?