From mboxrd@z Thu Jan 1 00:00:00 1970 From: Barry Song <21cnbao-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> Subject: Re: [PATCH 8/8] spi: sirf: make DMA transfer mode optional Date: Sun, 07 Sep 2014 08:55:53 +0800 Message-ID: References: <20140906135550.GD2601@sirena.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=GB2312 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: Barry Song , Qipan Li , Barry Song , DL-SHA-WorkGroupLinux , "linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org" , To: Mark Brown Return-path: In-Reply-To: <20140906135550.GD2601-GFdadSzt00ze9xe1eoZjHA@public.gmane.org> Sender: linux-spi-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-ID: On 14-9-6 =CF=C2=CE=E79:55, "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 wi= th >Kconfig options is not great, especially when you start trying to buil= d >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 -- To unsubscribe from this list: send the line "unsubscribe linux-spi" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html