From mboxrd@z Thu Jan 1 00:00:00 1970 From: maxime.ripard@free-electrons.com (Maxime Ripard) Date: Wed, 2 Nov 2016 18:47:53 +0100 Subject: [PATCH v7] spi: sun4i: Allow transfers larger than FIFO size In-Reply-To: <20161027224712.GY25322@sirena.org.uk> References: <1477465231-17704-1-git-send-email-mr.nuke.me@gmail.com> <20161026085528.vjjypbfmfbhvileb@lukather> <20161027111419.GK25322@sirena.org.uk> <20161027212727.leqg3gvwhd3u64er@lukather> <20161027224712.GY25322@sirena.org.uk> Message-ID: <20161102174753.elbukxnrc3x27xxc@lukather> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi Mark, On Thu, Oct 27, 2016 at 11:47:12PM +0100, Mark Brown wrote: > > > If the concern from the previous reviews to do with not using DMA is > > > there some reason it's hard to do DMA? > > > I think just like Alexandru that it is orthogonal. But to really > > answer, no, it's not difficult. There's just been some fundamental > > disagreement on whether DMA was supposed to be optional or not that > > stalled everything I guess. > > Oh, I seem to remember some patches adding DMA support that were doing > some strange special snowflake thing with ignoring errors now that I > think about it but that's not this one... why did nobody ever follow up > on those? I have no idea. I think last time we discussed this was last July. Especially with this in now, there's probably no rush anyway. Maxime -- Maxime Ripard, Free Electrons Embedded Linux and Kernel engineering http://free-electrons.com -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 801 bytes Desc: not available URL: