From mboxrd@z Thu Jan 1 00:00:00 1970 From: guohanjun@huawei.com (Hanjun Guo) Date: Wed, 9 Aug 2017 18:53:33 +0800 Subject: [RFC PATCH 0/4] SMMUv3 MSI support Message-ID: <1502276017-63108-1-git-send-email-guohanjun@huawei.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org From: Hanjun Guo IORT revision C introduced SMMUv3 MSI support for control interrupts, which introduced a device ID mapping index to retrieve the dev ID and ITS parent. This patch set reuse the existing APIs to retrieve the data to configure the MSI, but doing special checks to not introduce regressions for CPI/NC--->SMMU--->ITS cases, please refer to each patch for detail commit message. Hanjun Guo (4): ACPICA: Add SMMUv3 device ID mapping index support ACPI: IORT: lookup iort node via fwnode ACPI: IORT: Skip SMMUv3 device ID map for two steps mappings ACPI: IORT: Add SMMUv3 MSI support drivers/acpi/arm64/iort.c | 126 +++++++++++++++++++++++++++++++++++++++++----- include/acpi/actbl2.h | 1 + 2 files changed, 115 insertions(+), 12 deletions(-) -- 1.7.12.4