From mboxrd@z Thu Jan 1 00:00:00 1970 From: Javier Martinez Canillas Subject: Re: [PATCH] clk/samsung: exynos542x: mark some clocks as critical Date: Thu, 22 Dec 2016 10:07:26 -0300 Message-ID: References: <1482399870-18563-1-git-send-email-m.szyprowski@samsung.com> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1482399870-18563-1-git-send-email-m.szyprowski@samsung.com> Sender: linux-clk-owner@vger.kernel.org To: Marek Szyprowski , linux-clk@vger.kernel.org, linux-samsung-soc@vger.kernel.org Cc: Sylwester Nawrocki , Krzysztof Kozlowski , Bartlomiej Zolnierkiewicz , Chanwoo Choi List-Id: linux-samsung-soc@vger.kernel.org Hello Marek, On 12/22/2016 06:44 AM, Marek Szyprowski wrote: > Some parent clocks of the Exynos542x clock blocks, which have separate > power domains (like DISP, MFC, MSC, GSC, FSYS and G2D) must be always > enabled to access any register related to power management unit or devices > connected to it. For the time being, until a proper solution based on > runtime PM is applied, mark those clocks as critical (instead of ignore > unused or even no flags) to prevent disabling them. > > Signed-off-by: Marek Szyprowski > --- > drivers/clk/samsung/clk-exynos5420.c | 14 +++++++------- > 1 file changed, 7 insertions(+), 7 deletions(-) > Reviewed-by: Javier Martinez Canillas And on an Exynos5800 Peach Pi Chromebook: Tested-by: Javier Martinez Canillas Best regards, -- Javier Martinez Canillas Open Source Group Samsung Research America