From mboxrd@z Thu Jan 1 00:00:00 1970 From: juri.lelli@arm.com (Juri Lelli) Date: Tue, 30 Aug 2016 17:11:58 +0100 Subject: [PATCH v6 1/8] Documentation: arm: define DT cpu capacity-dmips-mhz bindings In-Reply-To: References: <1468932048-31635-1-git-send-email-juri.lelli@arm.com> <1468932048-31635-2-git-send-email-juri.lelli@arm.com> Message-ID: <20160830161158.GE9337@e106622-lin> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 16/08/16 11:02, Vincent Guittot wrote: > On 19 July 2016 at 14:40, Juri Lelli wrote: > > ARM systems may be configured to have cpus with different power/performance > > characteristics within the same chip. In this case, additional information > > has to be made available to the kernel (the scheduler in particular) for it > > to be aware of such differences and take decisions accordingly. > > > > Therefore, this patch aims at standardizing cpu capacities device tree > > bindings for ARM platforms. Bindings define cpu capacity-dmips-mhz > > parameter, to allow operating systems to retrieve such information from > > the device tree and initialize related kernel structures, paving the way > > for common code in the kernel to deal with heterogeneity. > > [...] > > FWIW, Acked-by Vincent Guittot > Thanks! Best, - Juri