From mboxrd@z Thu Jan 1 00:00:00 1970 From: 21cnbao@gmail.com (Barry Song) Date: Sun, 07 Sep 2014 08:55:53 +0800 Subject: [PATCH 8/8] spi: sirf: make DMA transfer mode optional In-Reply-To: <20140906135550.GD2601@sirena.org.uk> Message-ID: To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 14-9-6 ??9:55, "Mark Brown" wrote: >On Fri, Sep 05, 2014 at 04:14:17PM +0800, Barry Song wrote: > >> i have no strong technical reason for this as the benefit is not >> always technical. you know....the commit log has provided the reason >> for this patch. >> the difficulty for me is maintaining the difference between mainline >> and local codes, but if we have to maintain two copies, we can. > >OK, well I think that's best though it would be better if we were able >to understand what benefit your customers believe they are seeing here >and hopefully address it in a better way. Doing this sort of thing with >Kconfig options is not great, especially when you start trying to build >kernels that work with more than one board. my goal is doubling-check this with customers, if there is no problem, drop this one as it is not a valid technical solution. -barry