linux-kernel - [PATCH] PCI: imx6: Limit DBI register length for imx6qp pcie

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Message-Id: <1613624980-29382-1-git-send-email-hongxing.zhu@nxp.com>
Date:   Thu, 18 Feb 2021 13:09:40 +0800
From:   Richard Zhu <hongxing.zhu@....com>
To:     l.stach@...gutronix.de, bhelgaas@...gle.com, stefan@...er.ch,
        lorenzo.pieralisi@....com
Cc:     linux-pci@...r.kernel.org, linux-imx@....com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        kernel@...gutronix.de, Richard Zhu <hongxing.zhu@....com>
Subject: [PATCH] PCI: imx6: Limit DBI register length for imx6qp pcie

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@....com>
---
 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,
-- 
2.17.1