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From:   "Z.q. Hou" <zhiqiang.hou@nxp.com>
To:     "linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>,
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CC:     Mingkai Hu <mingkai.hu@nxp.com>,
        "M.h. Lian" <minghuan.lian@nxp.com>,
        Xiaowei Bao <xiaowei.bao@nxp.com>,
        "Z.q. Hou" <zhiqiang.hou@nxp.com>
Subject: [PATCHv4 11/28] PCI: mobiveil: only fix up the Class Code field
Thread-Topic: [PATCHv4 11/28] PCI: mobiveil: only fix up the Class Code field
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Date:   Mon, 11 Mar 2019 09:31:23 +0000
Message-ID: <20190311093130.7209-12-Zhiqiang.Hou@nxp.com>
References: <20190311093130.7209-1-Zhiqiang.Hou@nxp.com>
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From: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>

Fix up the Class Code to PCI bridge, do not change the Revision ID.
And move the fixup to mobiveil_host_init function.

Fixes: 9af6bcb11e12 ("PCI: mobiveil: Add Mobiveil PCIe Host Bridge
IP driver")
Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
Reviewed-by: Minghuan Lian <Minghuan.Lian@nxp.com>
Reviewed-by: Subrahmanya Lingappa <l.subrahmanya@mobiveil.co.in>
---
V4:
 - no change

 drivers/pci/controller/pcie-mobiveil.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/drivers/pci/controller/pcie-mobiveil.c b/drivers/pci/controlle=
r/pcie-mobiveil.c
index 78e575e71f4d..8eee1ab7ee24 100644
--- a/drivers/pci/controller/pcie-mobiveil.c
+++ b/drivers/pci/controller/pcie-mobiveil.c
@@ -653,6 +653,12 @@ static int mobiveil_host_init(struct mobiveil_pcie *pc=
ie)
 				   type, resource_size(win->res));
 	}
=20
+	/* fixup for PCIe class register */
+	value =3D csr_readl(pcie, PAB_INTP_AXI_PIO_CLASS);
+	value &=3D 0xff;
+	value |=3D (PCI_CLASS_BRIDGE_PCI << 16);
+	csr_writel(pcie, value, PAB_INTP_AXI_PIO_CLASS);
+
 	/* setup MSI hardware registers */
 	mobiveil_pcie_enable_msi(pcie);
=20
@@ -896,9 +902,6 @@ static int mobiveil_pcie_probe(struct platform_device *=
pdev)
 		goto error;
 	}
=20
-	/* fixup for PCIe class register */
-	csr_writel(pcie, 0x060402ab, PAB_INTP_AXI_PIO_CLASS);
-
 	/* initialize the IRQ domains */
 	ret =3D mobiveil_pcie_init_irq_domain(pcie);
 	if (ret) {
--=20
2.17.1