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43e6409db6
MT2712 and MT7622's PCIe host controller support MSI, but only 32-bit MSI addresses are supported. It connects to GIC with the same IRQ number as the INTx IRQ, so it shares the same IRQ with INTx IRQ. Add MSI support for MT2712 and MT7622. Signed-off-by: Honghui Zhang <honghui.zhang@mediatek.com> [bhelgaas: changes to follow rcar & tegra: rename to mtk_pcie_msi_alloc(), add mtk_pcie_msi_free(), free hwirq if irq_create_mapping() fails, call irq_dispose_mapping() from mtk_msi_teardown_irq()] Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Acked-by: Ryder Lee <ryder.lee@mediatek.com> |
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Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.