From: Vinod Koul <vkoul@kernel.org>
To: Frank Li <Frank.li@nxp.com>
Cc: "Manivannan Sadhasivam" <mani@kernel.org>,
"Krzysztof Wilczyński" <kwilczynski@kernel.org>,
"Kishon Vijay Abraham I" <kishon@kernel.org>,
"Bjorn Helgaas" <bhelgaas@google.com>,
"Christoph Hellwig" <hch@lst.de>,
"Sagi Grimberg" <sagi@grimberg.me>,
"Chaitanya Kulkarni" <kch@nvidia.com>,
"Herbert Xu" <herbert@gondor.apana.org.au>,
"David S. Miller" <davem@davemloft.net>,
"Nicolas Ferre" <nicolas.ferre@microchip.com>,
"Alexandre Belloni" <alexandre.belloni@bootlin.com>,
"Claudiu Beznea" <claudiu.beznea@tuxon.dev>,
"Koichiro Den" <den@valinux.co.jp>,
"Niklas Cassel" <cassel@kernel.org>,
dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-pci@vger.kernel.org, linux-nvme@lists.infradead.org,
mhi@lists.linux.dev, linux-arm-msm@vger.kernel.org,
linux-crypto@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, imx@lists.linux.dev
Subject: Re: [PATCH 0/8] dmaengine: Add new API to combine onfiguration and descriptor preparation
Date: Wed, 17 Dec 2025 10:40:28 +0530 [thread overview]
Message-ID: <aUI7RJvQUx3m2IRf@vaman> (raw)
In-Reply-To: <aUGWtarjFNNy2KyZ@lizhi-Precision-Tower-5810>
On 16-12-25, 12:28, Frank Li wrote:
> On Tue, Dec 16, 2025 at 10:47:57PM +0530, Vinod Koul wrote:
> > On 16-12-25, 10:55, Frank Li wrote:
> > > The usual prep_ call have not sconf argument, which need depend on previous
> > > config.
> > >
> > > further, If passdown NULL for config, it means use previuos config.
> >
> > I know it is bit longer but somehow I would feel better for the API to
> > imply config as well please
>
> I can use you suggested dmaengine_prep_config_perip_single().
>
> But how about use dmaengine_prep_config_single(), which little bit shorter
> and use "config" to imply it is for periperal? (similar to cyclic case?)
Yes that is a good idea. config does imply peripheral cases. Please make
sure API documentation marks that clearly
BR
--
~Vinod
prev parent reply other threads:[~2025-12-17 5:10 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-12-08 17:09 [PATCH 0/8] dmaengine: Add new API to combine onfiguration and descriptor preparation Frank Li
2025-12-08 17:09 ` [PATCH 1/8] dmaengine: Add API to combine configuration and preparation (sg and single) Frank Li
2025-12-09 6:38 ` Christoph Hellwig
2025-12-09 15:47 ` Frank Li
2025-12-10 22:55 ` Bjorn Helgaas
2025-12-08 17:09 ` [PATCH 2/8] PCI: endpoint: pci-epf-test: use new DMA API to simple code Frank Li
2025-12-10 22:50 ` Bjorn Helgaas
2025-12-08 17:09 ` [PATCH 3/8] dmaengine: dw-edma: Use new .device_prep_slave_sg_config() callback Frank Li
2025-12-08 17:09 ` [PATCH 4/8] dmaengine: dw-edma: Pass dma_slave_config to dw_edma_device_transfer() Frank Li
2025-12-08 17:09 ` [PATCH 5/8] nvmet: pci-epf: Remove unnecessary dmaengine_terminate_sync() on each DMA transfer Frank Li
2025-12-09 6:52 ` Damien Le Moal
2025-12-09 15:44 ` Frank Li
2025-12-08 17:09 ` [PATCH 6/8] nvmet: pci-epf: Use dmaengine_prep_slave_single_config() API Frank Li
2025-12-09 6:38 ` Christoph Hellwig
2025-12-10 19:05 ` kernel test robot
2025-12-10 22:54 ` Bjorn Helgaas
2025-12-08 17:09 ` [PATCH 7/8] PCI: epf-mhi:Using new API dmaengine_prep_slave_single_config() to simple code Frank Li
2025-12-10 22:53 ` Bjorn Helgaas
2025-12-08 17:09 ` [PATCH 8/8] crypto: atmel: Use dmaengine_prep_slave_single_config() API Frank Li
2025-12-10 23:38 ` kernel test robot
2025-12-09 7:20 ` [PATCH 0/8] dmaengine: Add new API to combine onfiguration and descriptor preparation Niklas Cassel
2025-12-16 12:45 ` Vinod Koul
2025-12-16 15:10 ` Frank Li
2025-12-16 15:43 ` Vinod Koul
2025-12-16 15:55 ` Frank Li
2025-12-16 17:17 ` Vinod Koul
2025-12-16 17:28 ` Frank Li
2025-12-17 5:10 ` Vinod Koul [this message]
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