Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758135AbbKSJl1 (ORCPT ); Thu, 19 Nov 2015 04:41:27 -0500 Received: from mail-pa0-f53.google.com ([209.85.220.53]:35656 "EHLO mail-pa0-f53.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750819AbbKSJlX (ORCPT ); Thu, 19 Nov 2015 04:41:23 -0500 Subject: Re: [PATCH 1/2] clk: samsung: Don't build ARMv8 clock drivers on ARMv7 To: Tomasz Figa References: <1447637775-9887-1-git-send-email-k.kozlowski@samsung.com> <1447637775-9887-2-git-send-email-k.kozlowski@samsung.com> <564D5552.4070806@samsung.com> Cc: k.kozlowski.k@gmail.com, Sylwester Nawrocki , Michael Turquette , Stephen Boyd , "linux-samsung-soc@vger.kernel.org" , linux-clk@vger.kernel.org, linux-kernel , Catalin Marinas , Will Deacon , Kukjin Kim , Olof Johansson , Arnd Bergmann , linux-arm-kernel , Kevin Hilman , Pankaj Dubey From: Krzysztof Kozlowski Message-ID: <564D993C.4090104@samsung.com> Date: Thu, 19 Nov 2015 18:41:16 +0900 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1471 Lines: 32 W dniu 19.11.2015 o 18:16, Tomasz Figa pisze: > 2015-11-19 13:51 GMT+09:00 Krzysztof Kozlowski : >> On 19.11.2015 13:18, Tomasz Figa wrote: >>> However, I don't think we can disable compilation of particular 64-bit >>> SoCs, so maybe there isn't much sense in splitting their clock drivers >>> into separate symbols? >> >> To me it does not really matter. Indeed as you said one cannot disable >> building of one particular Exynos SoCs. >> >> However we could still want not build some parts of such SoCs (like >> clock, pinctrl etc). I don't see much benefit for such case except when >> someone would like to drastically reduce the size of kernel image (for >> whatever reasons he has.). > > Can we really build a kernel that support selected Exynos SoC without > its clock driver? Actually I don't think we even allow deselecting > clock drivers currently, because they are not visible in menuconfig. > Unless there is a clear goal to separate ARCH level Kconfig symbol for > particular ARM64-based Exynos SoCs, I don't think it makes any sense > to keep the clock-related symbols separate. That is reasonable and very convincing. I'll wait for Sylwester reply before re-spinning. BR, Krzysztof -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/