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This change adds PCIe support to IPQ806x based platforms. The driver is actually cherry-picked from the following LKML thread: *https://lwn.net/Articles/643086/ (patches 110-111) We also add here an additional fix to support multiple PCI controllers on the same platform (patch 112), and to patch the ap148 & dbs149 DTS files (patch 113). Signed-off-by: Mathieu Olivari <mathieu@codeaurora.org> SVN-Revision: 45663
30 lines
977 B
Diff
30 lines
977 B
Diff
From f004aa1dec6e2e206be025de15b115d60f2b21e3 Mon Sep 17 00:00:00 2001
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From: Mathieu Olivari <mathieu@codeaurora.org>
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Date: Tue, 21 Apr 2015 19:09:07 -0700
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Subject: [PATCH 9/9] ARM: qcom: automatically select PCI_DOMAINS if PCI is
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enabled
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If multiple PCIe devices are present in the system, the kernel will
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panic at boot time when trying to scan the PCI buses. This happens on
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IPQ806x based platforms, which has 3 PCIe ports.
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Enabling this option allows the kernel to assign the pci-domains
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according to the device-tree content. This allows multiple PCIe
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controllers to coexist in the system.
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Signed-off-by: Mathieu Olivari <mathieu@codeaurora.org>
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---
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arch/arm/mach-qcom/Kconfig | 1 +
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1 file changed, 1 insertion(+)
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--- a/arch/arm/mach-qcom/Kconfig
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+++ b/arch/arm/mach-qcom/Kconfig
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@@ -5,6 +5,7 @@ menuconfig ARCH_QCOM
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select ARM_AMBA
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select PINCTRL
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select QCOM_SCM if SMP
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+ select PCI_DOMAINS if PCI
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help
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Support for Qualcomm's devicetree based systems.
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