From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sudeep.Holla@arm.com (Sudeep Holla) Date: Fri, 07 Feb 2014 19:12:45 +0000 Subject: [PATCH 10/21] ARM: MM: Add DT binding for Feroceon L2 cache In-Reply-To: <20140207182123.GE16263@obsidianresearch.com> References: <1391730137-14814-1-git-send-email-andrew@lunn.ch> <1391730137-14814-11-git-send-email-andrew@lunn.ch> <52F4F23A.3030405@arm.com> <20140207182123.GE16263@obsidianresearch.com> Message-ID: <52F5302D.5070308@arm.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 07/02/14 18:21, Jason Gunthorpe wrote: > On Fri, Feb 07, 2014 at 02:48:26PM +0000, Sudeep Holla wrote: >> On 06/02/14 23:42, Andrew Lunn wrote: > >> Looks more like a software configuration for me unless I am missing >> something. > > There is precedence for this, see > Documentation/devicetree/bindings/arm/l2cc.txt > > Though the feorceon name should match 'wt-override' > Thanks for pointing out, may be its good to add reference to l2cc binding if its applicable. Do we need both wt-override and writethrough ? >> It should not be here IMO if its pure software construct, may be you >> can use already existing cachepolicy kernel parameter instead. > > cachepolicy is already doing something very different, it would not be > appropriate to use it for this. > Yes I suspected that by a quick inspection at the code using it, but thought of checking instead. Regards, Sudeep