linux-kernel - Re: [PATCH 3/6] PCI: rcar-gen2: Add R9A06G032 support

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Date:   Tue, 12 Apr 2022 12:05:35 +0200
From:   Miquel Raynal <miquel.raynal@...tlin.com>
To:     Herve Codina <herve.codina@...tlin.com>
Cc:     Marek Vasut <marek.vasut+renesas@...il.com>,
        Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Magnus Damm <magnus.damm@...il.com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Krzysztof Wilczyński <kw@...ux.com>,
        Rob Herring <robh@...nel.org>, linux-pci@...r.kernel.org,
        linux-renesas-soc@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
        Clement Leger <clement.leger@...tlin.com>
Subject: Re: [PATCH 3/6] PCI: rcar-gen2: Add R9A06G032 support

Hi Herve,

herve.codina@...tlin.com wrote on Tue, 12 Apr 2022 11:40:26 +0200:

> Add Renesas R9A06G032 SoC support to the Renesas R-Car gen2 PCI
> bridge driver.
> The Renesas RZ/N1D (R9A06G032) internal PCI bridge is compatible
> with the one available in the R-Car Gen2 family.
> 
> Signed-off-by: Herve Codina <herve.codina@...tlin.com>
> ---
>  drivers/pci/controller/pci-rcar-gen2.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/pci/controller/pci-rcar-gen2.c b/drivers/pci/controller/pci-rcar-gen2.c
> index 528bc3780e01..586e4785a57f 100644
> --- a/drivers/pci/controller/pci-rcar-gen2.c
> +++ b/drivers/pci/controller/pci-rcar-gen2.c
> @@ -352,6 +352,8 @@ static const struct of_device_id rcar_pci_of_match[] = {
>  	{ .compatible = "renesas,pci-r8a7791", },
>  	{ .compatible = "renesas,pci-r8a7794", },
>  	{ .compatible = "renesas,pci-rcar-gen2", },
> +	{ .compatible = "renesas,pci-r9a06g032", },
> +	{ .compatible = "renesas,pci-rzn1", },

I don't think you don't yet need to match against the two, matching
against pci-rzn1 is enough for now, until we discover that something is
specific in the r9a06g032 family and we need to handle something else
of course.

Thanks,
Miquèl