From mboxrd@z Thu Jan 1 00:00:00 1970 From: maxime.ripard@free-electrons.com (Maxime Ripard) Date: Wed, 25 Jun 2014 20:48:02 +0200 Subject: [PATCH 03/10] spi: sun4i: add DMA support In-Reply-To: <1402890635-12342-4-git-send-email-emilio@elopez.com.ar> References: <1402890635-12342-1-git-send-email-emilio@elopez.com.ar> <1402890635-12342-4-git-send-email-emilio@elopez.com.ar> Message-ID: <20140625184802.GF19569@lukather> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Mon, Jun 16, 2014 at 12:50:28AM -0300, Emilio L?pez wrote: > This patch adds DMA support for 64 byte transfers on the sun4i SPI > controller. Bigger transfers did not seem to work when tested, and if > the hardware actually supports those, it will need further > investigation as to how to issue them correctly. Since you're only using DMA with 64+ bytes transfer, I'd say your DMA transfers don't actually work :) > > Signed-off-by: Emilio L?pez > --- > > This is a straight adaptation of a similar patch Maxime made for the > sun6i SPI driver. Which was not working either ;) 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: