From mboxrd@z Thu Jan 1 00:00:00 1970 From: Charles Keepax Subject: Re: [PATCH 1/2] spi: Fix mapping from vmalloc-ed buffer to scatter list Date: Fri, 14 Nov 2014 17:41:04 +0000 Message-ID: <20141114174104.GD12443@opensource.wolfsonmicro.com> References: <1415979645-26264-1-git-send-email-ckeepax@opensource.wolfsonmicro.com> <20141114155222.GF3815@sirena.org.uk> <20141114160607.GB12443@opensource.wolfsonmicro.com> <20141114171133.GC12443@opensource.wolfsonmicro.com> <20141114172626.GI3815@sirena.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: alsa-devel-K7yf7f+aM1XWsZ/bQMPhNw@public.gmane.org, patches-yzvPICuk2AATkU/dhu1WVueM+bqZidxxQQ4Iyu8u01E@public.gmane.org, lgirdwood-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, linux-spi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Mark Brown Return-path: Content-Disposition: inline In-Reply-To: <20141114172626.GI3815-GFdadSzt00ze9xe1eoZjHA@public.gmane.org> Sender: linux-spi-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-ID: On Fri, Nov 14, 2014 at 05:26:26PM +0000, Mark Brown wrote: > On Fri, Nov 14, 2014 at 05:11:33PM +0000, Charles Keepax wrote: > > > Ah... ok I think I see the difference here. The MXS architecture > > has CONFIG_HIGHMEM=n whereas Arndale has CONFIG_HIGHMEM=y. So > > that means on MXS all the pages will always be in low mem so I > > think will always be mapped into the kernel logical address space > > hence no problems. Not sure if it would be worth updating the > > driver or not, what do you think? > > This is a user configurable option, it's not something that depends on > the architecture (and in any case it's better not to leave people > wondering why things are different when they consider consolidation). Cool, I will do the respin then. Thanks, Charles -- 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