linux-kernel - Re: [v3,2/2] accel: Add Arm Ethos-U NPU driver

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] [day] [month] [year] [list]

Message-ID: <d2ab96e7-40f7-4dcb-85f1-dd3024ba7155@linux.dev>
Date: Tue, 30 Sep 2025 09:57:58 +0800
From: Sui Jingfeng <sui.jingfeng@...ux.dev>
To: "Rob Herring (Arm)" <robh@...nel.org>,
 Tomeu Vizoso <tomeu@...euvizoso.net>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, Oded Gabbay <ogabbay@...nel.org>,
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>,
 David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
 Sumit Semwal <sumit.semwal@...aro.org>,
 Christian König <christian.koenig@....com>,
 Robin Murphy <robin.murphy@....com>, Steven Price <steven.price@....com>,
 Daniel Stone <daniel@...ishbar.org>
Cc: devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 dri-devel@...ts.freedesktop.org, linux-media@...r.kernel.org,
 linaro-mm-sig@...ts.linaro.org
Subject: Re: [v3,2/2] accel: Add Arm Ethos-U NPU driver

Hi,

On 2025/9/27 04:00, Rob Herring (Arm) wrote:


[...]

> +
> +/**
> + * struct ethosu_device - Ethosu device
> + */
> +struct ethosu_device {
> +	/** @base: Base drm_device. */
> +	struct drm_device base;
> +
> +	/** @iomem: CPU mapping of the registers. */
> +	void __iomem *regs;
> +
> +	void __iomem *sram;
> +	struct gen_pool *srampool;
> +	dma_addr_t sramphys;
> +
> +	struct clk *core_clk;
> +	struct clk *apb_clk;
> +
> +	int irq;
> +
> +	bool coherent;
> +


The 'coherent' member is not get used on anywhere.


Best Regards,
Sui

-- 
Best regards,
Sui