From: catalin.marinas@arm.com (Catalin Marinas) Date: Fri, 9 May 2014 18:47:38 +0100 Subject: [PATCH 2/3] arm64: Add big.LITTLE switcher stub In-Reply-To: <1399653631-4938-2-git-send-email-broonie@kernel.org> References: <1399653631-4938-1-git-send-email-broonie@kernel.org> <1399653631-4938-2-git-send-email-broonie@kernel.org> Message-ID: <20140509174738.GP7950@arm.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Fri, May 09, 2014 at 05:40:30PM +0100, Mark Brown wrote: > From: Mark Brown > > The big.LITTLE cpufreq driver is useful on arm64 big.LITTLE systems even > without IKS support since it implements support for clusters with shared > clocks (a common big.LITTLE configuration). In order to allow it to be > built provide the non-IKS stubs for arm64, enabling cpufreq with all the > cores available. Have you thought of patching the actual cpufreq driver? Are you adding this code just to avoid compiler errors on arm64 with this driver? > It may make sense to make an asm-generic version of these stubs instead asm-generic/bL_switcher.h? I take it as a good joke ;) > but > given that there's only likely to be these two architectures using the code > and asm-generic stubs also need per architecture updates it's probably more > trouble than it's worth. Exactly. -- Catalin