linux-kernel - [PATCH V2 0/2] DMA: update acpi_dma_get

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Message-Id: <1659684674-40612-1-git-send-email-lvjianmin@loongson.cn>
Date:   Fri,  5 Aug 2022 15:31:12 +0800
From:   Jianmin Lv <lvjianmin@...ngson.cn>
To:     lpieralisi@...nel.org, robin.murphy@....com, guohanjun@...wei.com,
        sudeep.holla@....com, rafael@...nel.org, lenb@...nel.org,
        robert.moore@...el.com
Cc:     linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org
Subject: [PATCH V2 0/2] DMA: update acpi_dma_get_range to return dma map regions 

The patch series changed acpi_dma_get_range to return dma regions
as of_dma_get_range, so that dev->dma_range_map can be initialized
conveniently.

And acpi_arch_dma_setup for ARM64 is changed wih removing dma_base
and size from it's parameters.

Remove ARCH_HAS_PHYS_TO_DMA for LoongArch and use generic
phys_to_dma/dma_to_phys in include/linux/dma-direct.h.

V1 -> V2
- Removed dma_base and size from acpi_arch_dma_setup' parameters
- Add patch to remove ARCH_HAS_PHYS_TO_DMA for LoongArch

Jianmin Lv (2):
  ACPI / scan: Support multiple dma windows with different offsets
  LoongArch: Remove ARCH_HAS_PHYS_TO_DMA

 arch/loongarch/Kconfig        |  1 -
 arch/loongarch/kernel/dma.c   | 62 +++++++++++++++++++++----------------------
 arch/loongarch/kernel/setup.c |  2 +-
 drivers/acpi/arm64/dma.c      | 44 ++++++++++++++++++++++--------
 drivers/acpi/scan.c           | 48 ++++++++++++++++-----------------
 include/acpi/acpi_bus.h       |  3 +--
 include/linux/acpi.h          | 12 +++++----
 7 files changed, 97 insertions(+), 75 deletions(-)

-- 
1.8.3.1