linux-kernel - Re: [PATCH v11 03/11] PCI: brcmstb: Add bcm7278 register info

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Message-ID: <20200910154437.GA415514@bogus>
Date:   Thu, 10 Sep 2020 09:44:37 -0600
From:   Rob Herring <robh@...nel.org>
To:     Jim Quinlan <james.quinlan@...adcom.com>
Cc:     linux-pci@...r.kernel.org,
        Nicolas Saenz Julienne <nsaenzjulienne@...e.de>,
        Christoph Hellwig <hch@....de>,
        Robin Murphy <robin.murphy@....com>,
        bcm-kernel-feedback-list@...adcom.com,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        "moderated list:BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE" 
        <linux-rpi-kernel@...ts.infradead.org>,
        "moderated list:BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE" 
        <linux-arm-kernel@...ts.infradead.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v11 03/11] PCI: brcmstb: Add bcm7278 register info

On Mon, Aug 24, 2020 at 03:30:16PM -0400, Jim Quinlan wrote:
> From: Jim Quinlan <jquinlan@...adcom.com>
> 
> Add in compatibility strings and code for three Broadcom STB chips.  Some
> of the register locations, shifts, and masks are different for certain
> chips, requiring the use of different constants based on of_id.
> 
> We would like to add the following at this time to the match list but we
> need to wait until the end of this patchset so that everything works.
> 
>     { .compatible = "brcm,bcm7211-pcie", .data = &generic_cfg },
>     { .compatible = "brcm,bcm7278-pcie", .data = &bcm7278_cfg },
>     { .compatible = "brcm,bcm7216-pcie", .data = &bcm7278_cfg },
>     { .compatible = "brcm,bcm7445-pcie", .data = &generic_cfg },
> 
> Signed-off-by: Jim Quinlan <jquinlan@...adcom.com>
> Acked-by: Florian Fainelli <f.fainelli@...il.com>
> ---
>  drivers/pci/controller/pcie-brcmstb.c | 105 +++++++++++++++++++++++---
>  1 file changed, 93 insertions(+), 12 deletions(-)

I think a better abstraction would be to have 2 versions of the 2 
functions that need to be different. But as-is is fine.

Acked-by: Rob Herring <robh@...nel.org>