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authorHonghui Zhang <honghui.zhang@mediatek.com>2017-08-14 21:04:28 +0800
committerBjorn Helgaas <bhelgaas@google.com>2017-08-30 08:23:58 -0500
commit43e6409db64ddab535ae08f77923f9081c38226b (patch)
tree517bd6de86a98b38599ce131fa57255e3a57018f /mm/page_counter.c
parentdb271747a04da5190b81ad120ee48c88d652b0e7 (diff)
PCI: mediatek: Add MSI support for MT2712 and MT7622
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>
Diffstat (limited to 'mm/page_counter.c')
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