linux-kernel - Re: [PATCH 2/2] dmaengine: dw-axi-dmac: add reset control support

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Message-ID: <06e7f7f23fb264e9db39441698b33c048d8192e3.camel@pengutronix.de>
Date: Mon, 13 Oct 2025 17:41:02 +0200
From: Philipp Zabel <p.zabel@...gutronix.de>
To: Artem Shimko <a.shimko.dev@...il.com>
Cc: Eugeniy Paltsev <Eugeniy.Paltsev@...opsys.com>, Vinod Koul	
 <vkoul@...nel.org>, dmaengine@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] dmaengine: dw-axi-dmac: add reset control support

On Mo, 2025-10-13 at 17:56 +0300, Artem Shimko wrote:

[...]
> dw_remove() has axi_dma_suspend() function, which is where the reset assertion
> occurs via reset_control_assert().

It looks to me like dw_remove() is now missing a deassert before
accessing registers, in case the device is removed while runtime
suspended.

regards
Philipp