From mboxrd@z Thu Jan 1 00:00:00 1970 From: kdinh@apm.com (Khuong Dinh) Date: Tue, 26 Sep 2017 11:49:19 -0600 Subject: [PATCH v4 pci 0/2] PCI/MSI: pci-xgene-msi: Enable MSI support in ACPI boot for X-Gene v1 Message-ID: <1506448161-30961-1-git-send-email-kdinh@apm.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org This patch set enables ACPI MSI support for X-Gene PCIe v1 hardware and provides the proper MSI driver initialization ordering. Signed-off-by: Khuong Dinh --- v4: - Remove Marc Zyngier ACK in v2 - Use acpi_bus_scan on MSI controller handle when MSI device is found - Register ACPI MSI driver when MSI device is found instead of using subsys_initcall - Split ACPI MSI driver support into two patches - one to enable MSI support for X-Gene PCIe v1 hardware, one to enforce MSI driver loaded before PCIe controller driver in ACPI boot mode v3: - Input X-Gene MSI base address for irq_domain_alloc_fwnode - Add a hook to enforce X-Gene MSI be probed prior acpi_bus_scan happens v2: - Verify with BIOS version 3.06.25 and 3.07.09 v1: - Initial version --- Khuong Dinh (2): PCI/MSI: pci-xgene-msi: Enable MSI support in ACPI boot for X-Gene v1 PCI/MSI: Enforce MSI driver loaded before PCIe in ACPI boot drivers/acpi/Makefile | 2 +- drivers/acpi/acpi_msi.c | 86 ++++++++++++++++++++++++++++++++++++++ drivers/acpi/acpi_platform.c | 3 +- drivers/acpi/internal.h | 1 + drivers/acpi/scan.c | 1 + drivers/pci/host/pci-xgene-msi.c | 60 ++++++++++++++++++++++++-- include/linux/acpi_msi.h | 37 ++++++++++++++++ 7 files changed, 183 insertions(+), 7 deletions(-) create mode 100644 drivers/acpi/acpi_msi.c create mode 100644 include/linux/acpi_msi.h