linux-kernel - Re: [PATCH 2/4] soc: aspeed: Add UART DMA support

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <c1e096fa-5941-cdd8-2cdc-ecf04661a389@linaro.org>
Date:   Fri, 10 Feb 2023 10:13:31 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Chia-Wei Wang <chiawei_wang@...eedtech.com>,
        gregkh@...uxfoundation.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, joel@....id.au, andrew@...id.au,
        jirislaby@...nel.org, linux-serial@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-aspeed@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
        openbmc@...ts.ozlabs.org
Subject: Re: [PATCH 2/4] soc: aspeed: Add UART DMA support

On 10/02/2023 08:26, Chia-Wei Wang wrote:
> This driver provides DMA support for AST26xx UART and VUART
> devices. It is useful to offload CPU overhead while using
> UART/VUART for binary file transfer.
> 
> Signed-off-by: Chia-Wei Wang <chiawei_wang@...eedtech.com>
> ---
>  drivers/soc/aspeed/Kconfig             |   9 +
>  drivers/soc/aspeed/Makefile            |   1 +
>  drivers/soc/aspeed/aspeed-udma.c       | 447 +++++++++++++++++++++++++
>  include/linux/soc/aspeed/aspeed-udma.h |  34 ++

NAK.

DMA drivers do not go to soc, but to dma subsystem.

>  4 files changed, 491 insertions(+)
>  create mode 100644 drivers/soc/aspeed/aspeed-udma.c
>  create mode 100644 include/linux/soc/aspeed/aspeed-udma.h
> 

(...)

> +
> +	return 0;
> +}
> +
> +static const struct of_device_id aspeed_udma_match[] = {
> +	{ .compatible = "aspeed,ast2600-udma" },

Undocumented compatible.

Please run scripts/checkpatch.pl and fix reported warnings.



Best regards,
Krzysztof