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[188.155.176.92]) by smtp.gmail.com with ESMTPSA id c22-20020a17090654d600b0070587f81bcfsm1686576ejp.19.2022.06.02.04.56.42 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 02 Jun 2022 04:56:42 -0700 (PDT) Message-ID: Date: Thu, 2 Jun 2022 13:56:41 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.10.0 Subject: Re: [PATCH 4/5] clk: samsung: exynos7885: Add TREX clocks Content-Language: en-US To: David Virag Cc: phone-devel@vger.kernel.org, Sylwester Nawrocki , Tomasz Figa , Chanwoo Choi , Alim Akhtar , Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , linux-samsung-soc@vger.kernel.org, linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org References: <20220601233743.56317-1-virag.david003@gmail.com> <20220601233743.56317-5-virag.david003@gmail.com> From: Krzysztof Kozlowski In-Reply-To: <20220601233743.56317-5-virag.david003@gmail.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220602_045647_116019_B7C02887 X-CRM114-Status: GOOD ( 12.18 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 02/06/2022 01:37, David Virag wrote: > TREX D Core and P core clocks seem to be related to the BTS (Bus Traffic > Shaper) inside the Exynos7885 SoC, and are needed for the SoC to > function correctly. > > When clocks are cut from TREX D Core, the eMMC and the framebuffer stops > working properly. Other unknown things may stop working as well. > > When clocks are cut from TREX P Core, the system locks up needing a hard > reset. > > Add these clocks and mark them critical so that they are always on. Reviewed-by: Krzysztof Kozlowski Best regards, Krzysztof _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel