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Wed, 23 Sep 2026 19:01:56 -0400 (EDT) X-Mailer: MessagingEngine.com Webmail Interface Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ThreadId: ARoswzXc42gB Date: Thu, 24 Sep 2026 01:01:35 +0200 From: "Arnd Bergmann" To: "Frank Li" Cc: "Ulf Hansson" , "Aubin Constans" , "Nicolas Ferre" , "Alexandre Belloni" , "Claudiu Beznea" , "Paul Cercueil" , "Russell King" , "Frank Li" , "Sascha Hauer" , "Pengutronix Kernel Team" , "Fabio Estevam" , "Aaro Koskinen" , =?UTF-8?Q?Andreas_F=C3=A4rber?= , "Manivannan Sadhasivam" , "Wolfram Sang" , "Jesper Nilsson" , "Lars Persson" , "Johan Hovold" , "gordon.ge" , "Vinod Koul" , "yangzh0906@thundersoft.com" , "Jared Kangas" , "Brian Masney" , "Martin Blumenstingl" , "Linus Walleij" , "Fan Wu" , "Rosen Penev" , "Pengpeng Hou" , "Marco Crivellari" , "Pedro Demarchi Gomes" , "Zhan Xusheng" , "Pan Chuang" , "Khalid Aziz" , "Ethan Nelson-Moore" , "Rakuram Eswaran" , "Takashi Sakamoto" , "Runyu Xiao" , "Matthew Wilcox" , =?UTF-8?Q?Uwe_Kleine-K=C3=B6nig?= , "linux-mmc @ vger . kernel . org" , "open list" , "moderated list:ARM/Microchip (AT91) SoC support" , "open list:INGENIC JZ47xx SoCs" , "open list:ARM/FREESCALE IMX / MXC / LAYERSCAPE ARM ARCHIT..." , Linux-OMAP , "moderated list:ARM/ACTIONS SEMI ARCHITECTURE" , Linux-Renesas , "open list:ARM/ARTPEC MACHINE SUPPORT" Message-Id: <67966b47-22cb-4b07-80c7-2044f557dbcb@app.fastmail.com> In-Reply-To: References: <20260923184612.3583132-1-Frank.Li@oss.nxp.com> Subject: Re: [PATCH v4 1/1] mmc: use dmaengine_get_dma_device() instead of chan->device->dev Content-Type: text/plain Content-Transfer-Encoding: 7bit On Wed, Sep 23, 2026, at 23:40, Frank Li wrote: > On Wed, Sep 23, 2026 at 02:33:35PM -0500, Frank Li wrote: >> On Wed, Sep 23, 2026 at 08:57:04PM +0200, Arnd Bergmann wrote: > after enhancement > consumer just need call > > dmaengine_prep_slave_sg(chan, data->sg, data->sg_len, slave_dirn, > DMA_PREP_INTERRUPT | DMA_CTRL_ACK | > DMA_PREP_MAP) If that works, I think that would be perfect, good idea! Arnd