linux-kernel - Re: [PATCH 6/8] nvmet: pci-epf: Use dmaengine_prep_slave_single

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Message-ID: <20251209063855.GB27728@lst.de>
Date: Tue, 9 Dec 2025 07:38:55 +0100
From: Christoph Hellwig <hch@....de>
To: Frank Li <Frank.Li@....com>
Cc: Vinod Koul <vkoul@...nel.org>, Manivannan Sadhasivam <mani@...nel.org>,
	Krzysztof Wilczyński <kwilczynski@...nel.org>,
	Kishon Vijay Abraham I <kishon@...nel.org>,
	Bjorn Helgaas <bhelgaas@...gle.com>, Christoph Hellwig <hch@....de>,
	Sagi Grimberg <sagi@...mberg.me>,
	Chaitanya Kulkarni <kch@...dia.com>,
	Herbert Xu <herbert@...dor.apana.org.au>,
	"David S. Miller" <davem@...emloft.net>,
	Nicolas Ferre <nicolas.ferre@...rochip.com>,
	Alexandre Belloni <alexandre.belloni@...tlin.com>,
	Claudiu Beznea <claudiu.beznea@...on.dev>,
	Koichiro Den <den@...inux.co.jp>, Niklas Cassel <cassel@...nel.org>,
	dmaengine@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-pci@...r.kernel.org, linux-nvme@...ts.infradead.org,
	mhi@...ts.linux.dev, linux-arm-msm@...r.kernel.org,
	linux-crypto@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	imx@...ts.linux.dev
Subject: Re: [PATCH 6/8] nvmet: pci-epf: Use
 dmaengine_prep_slave_single_config() API

> +	desc = dmaengine_prep_slave_single_config(chan, dma_addr, seg->length,
> +						  sconf.direction,
> +						  DMA_CTRL_ACK,
> +						  &sconf);


If you stick to tab-indents this becomes a lot more readable:

	desc = dmaengine_prep_slave_single_config(chan, dma_addr, seg->length,
			sconf.direction, DMA_CTRL_ACK, &sconf);