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39 lines
1.5 KiB
Diff
39 lines
1.5 KiB
Diff
From e1387e57b57b39a22d626d6f6f8ae5e6fa1a4567 Mon Sep 17 00:00:00 2001
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From: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
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Date: Fri, 8 Sep 2017 11:53:48 +0200
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Subject: [PATCH 12/12] PCI: aardvark: define IRQ related hooks in
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pci_host_bridge
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Commit 769b461fc0c0 ("arm64: PCI: Drop DT IRQ allocation from
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pcibios_alloc_irq()") was assuming all PCI host controller drivers had
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been converted to use ->map_irq(), but that wasn't the case:
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pci-aardvark had not been converted. Due to this, it broke the support
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for legacy PCI interrupts when using the pci-aardvark driver (used on
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Marvell Armada 3720 platforms).
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In order to fix this, we make sure the ->map_irq and ->swizzle_irq
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fields of pci_host_bridge are properly filled in.
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Fixes: 769b461fc0c0 ("arm64: PCI: Drop DT IRQ allocation from pcibios_alloc_irq()")
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Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
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Cc: <stable@vger.kernel.org> # v4.13+
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---
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drivers/pci/host/pci-aardvark.c | 2 ++
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1 file changed, 2 insertions(+)
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diff --git a/drivers/pci/host/pci-aardvark.c b/drivers/pci/host/pci-aardvark.c
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index 6d6a2ae35481..f682650bf037 100644
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--- a/drivers/pci/host/pci-aardvark.c
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+++ b/drivers/pci/host/pci-aardvark.c
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@@ -999,6 +999,8 @@ static int advk_pcie_probe(struct platform_device *pdev)
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bridge->sysdata = pcie;
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bridge->busnr = 0;
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bridge->ops = &advk_pcie_ops;
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+ bridge->map_irq = of_irq_parse_and_map_pci;
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+ bridge->swizzle_irq = pci_common_swizzle;
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ret = pci_scan_root_bus_bridge(bridge);
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if (ret < 0) {
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--
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2.14.1
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