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Message-ID: <9b244af36848525e061efa2d85f8d0219fd7652b.camel@pengutronix.de>
Subject: Re: [PATCH] PCI: imx6: Limit DBI register length for imx6qp pcie
From:   Lucas Stach <l.stach@pengutronix.de>
To:     Richard Zhu <hongxing.zhu@nxp.com>, bhelgaas@google.com,
        stefan@agner.ch, lorenzo.pieralisi@arm.com
Cc:     linux-pci@vger.kernel.org, linux-imx@nxp.com,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org,
        kernel@pengutronix.de
Date:   Thu, 18 Feb 2021 09:59:59 +0100
In-Reply-To: <1613624980-29382-1-git-send-email-hongxing.zhu@nxp.com>
References: <1613624980-29382-1-git-send-email-hongxing.zhu@nxp.com>
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Am Donnerstag, dem 18.02.2021 um 13:09 +0800 schrieb Richard Zhu:
> Refer to commit 075af61c19cd ("PCI: imx6: Limit DBI register length"),
> i.MX6QP PCIe has the similar issue.
> Define the length of the DBI registers and limit config space to its
> length for i.MX6QP PCIe too.
> 
> Signed-off-by: Richard Zhu <hongxing.zhu@nxp.com>

Reviewed-by: Lucas Stach <l.stach@pengutronix.de>

> ---
>  drivers/pci/controller/dwc/pci-imx6.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/pci/controller/dwc/pci-imx6.c b/drivers/pci/controller/dwc/pci-imx6.c
> index 0cf1333c0440..853ea8e82952 100644
> --- a/drivers/pci/controller/dwc/pci-imx6.c
> +++ b/drivers/pci/controller/dwc/pci-imx6.c
> @@ -1175,6 +1175,7 @@ static const struct imx6_pcie_drvdata drvdata[] = {
>  		.variant = IMX6QP,
>  		.flags = IMX6_PCIE_FLAG_IMX6_PHY |
>  			 IMX6_PCIE_FLAG_IMX6_SPEED_CHANGE,
> +		.dbi_length = 0x200,
>  	},
>  	[IMX7D] = {
>  		.variant = IMX7D,