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PCI: mobiveil: Fix the Class Code field

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[ Upstream commit 0122af0a08243f344a438f924e5c2486486555b3 ]

Fix up the Class Code field in PCI configuration space and set it to
PCI_CLASS_BRIDGE_PCI.

Move the Class Code fixup to function mobiveil_host_init() where
it belongs.

Fixes: 9af6bcb11e12 ("PCI: mobiveil: Add Mobiveil PCIe Host Bridge IP driver")
Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: Minghuan Lian <Minghuan.Lian@nxp.com>
Reviewed-by: Subrahmanya Lingappa <l.subrahmanya@mobiveil.co.in>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Hou Zhiqiang 2019-07-05 17:56:35 +08:00 committed by Greg Kroah-Hartman
parent 51308ec525
commit 4613f46ef4
1 changed files with 6 additions and 3 deletions
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9
drivers/pci/controller/pcie-mobiveil.c
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@ -565,6 +565,12 @@ static int mobiveil_host_init(struct mobiveil_pcie *pcie)
}
}
/* fixup for PCIe class register */
value = csr_readl(pcie, PAB_INTP_AXI_PIO_CLASS);
value &= 0xff;
value |= (PCI_CLASS_BRIDGE_PCI << 16);
csr_writel(pcie, value, PAB_INTP_AXI_PIO_CLASS);
/* setup MSI hardware registers */
mobiveil_pcie_enable_msi(pcie);
@ -805,9 +811,6 @@ static int mobiveil_pcie_probe(struct platform_device *pdev)
goto error;
}
/* fixup for PCIe class register */
csr_writel(pcie, 0x060402ab, PAB_INTP_AXI_PIO_CLASS);
/* initialize the IRQ domains */
ret = mobiveil_pcie_init_irq_domain(pcie);
if (ret) {