From mboxrd@z Thu Jan 1 00:00:00 1970 From: maxime.ripard@free-electrons.com (Maxime Ripard) Date: Tue, 6 Jan 2015 16:31:33 +0100 Subject: Generic slave capabilities reporting In-Reply-To: References: Message-ID: <20150106153133.GN7853@lukather> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi Fabio, On Mon, Dec 29, 2014 at 02:25:24PM -0200, Fabio Estevam wrote: > Hi Maxime, > > Since commit ecc19d17868be9c ("dmaengine: Add a warning for drivers > not using the generic slave caps retrieval") I am getting the > following warning on mx6: > > [ 0.113023] ------------[ cut here ]------------ > [ 0.113053] WARNING: CPU: 0 PID: 1 at drivers/dma/dmaengine.c:830 > dma_async_device_register+0x2a0/0x4c8() > [ 0.113063] this driver doesn't support generic slave capabilities reporting > [ 0.113073] Modules linked in: > [ 0.113094] CPU: 0 PID: 1 Comm: swapper/0 Not tainted > 3.19.0-rc1-next-20141226 #2297 > [ 0.113104] Hardware name: Freescale i.MX6 SoloX (Device Tree) > > What dma driver could I take as an example to implement this generic > slave capabilities reporting? Any of the recent ones will do: sun6i, bcm2835, at_xdmac for example. Thanks! Maxime -- Maxime Ripard, Free Electrons Embedded Linux, Kernel and Android engineering http://free-electrons.com -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 819 bytes Desc: Digital signature URL: