linux-kernel - Re: [PATCH V3 0/2] DMA: update acpi_dma_get

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Message-ID: <7ef64254-ed0f-be33-71c1-3f78bdf31238@loongson.cn>
Date:   Mon, 5 Sep 2022 10:55:54 +0800
From:   Jianmin Lv <lvjianmin@...ngson.cn>
To:     lpieralisi@...nel.org, robin.murphy@....com, chenhuacai@...ngson.cn
Cc:     guohanjun@...wei.com, sudeep.holla@....com, rafael@...nel.org,
        lenb@...nel.org, robert.moore@...el.com,
        linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org,
        loongarch@...ts.linux.dev
Subject: Re: [PATCH V3 0/2] DMA: update acpi_dma_get_range to return dma map
 regions

Hi, all,

Is there anything else in this patch series that needs to be modified?

Thanks.
Jianmin.


On 2022/8/30 上午11:01, Jianmin Lv wrote:
> 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
> 
> V2 -> V3
> - Add kerneldoc for acpi_dma_get_range changing
> - Remove redundant code in acpi_arch_dma_setup, and check map
> 
> 
> 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   | 52 +++++++++++++++++-------------------------
>   arch/loongarch/kernel/setup.c |  2 +-
>   drivers/acpi/arm64/dma.c      | 29 ++++++++++++++---------
>   drivers/acpi/scan.c           | 53 +++++++++++++++++++------------------------
>   include/acpi/acpi_bus.h       |  3 +--
>   include/linux/acpi.h          | 12 ++++++----
>   7 files changed, 71 insertions(+), 81 deletions(-)
>