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[79.139.237.54]) by smtp.gmail.com with ESMTPSA id e21sm3650953ljb.135.2020.06.07.11.57.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 07 Jun 2020 11:57:52 -0700 (PDT) From: Dmitry Osipenko To: Thierry Reding , Jonathan Hunter , Georgi Djakov , Rob Herring , Michael Turquette , Stephen Boyd , Peter De Schrijver , MyungJoo Ham , Kyungmin Park , Chanwoo Choi , Mikko Perttunen Subject: [PATCH v3 32/39] memory: tegra20-emc: Create tegra20-devfreq device Date: Sun, 7 Jun 2020 21:55:23 +0300 Message-Id: <20200607185530.18113-33-digetx@gmail.com> X-Mailer: git-send-email 2.26.0 In-Reply-To: <20200607185530.18113-1-digetx@gmail.com> References: <20200607185530.18113-1-digetx@gmail.com> MIME-Version: 1.0 X-Mailman-Approved-At: Sun, 07 Jun 2020 19:13:00 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, =?utf-8?b?QXJ0dXIgxZp3aWdvxYQ=?= , linux-tegra@vger.kernel.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" The tegra20-devfreq driver provides memory frequency scaling functionality and it uses EMC clock for the scaling. Since tegra20-devfreq is a software driver, the device for the driver needs to be created manually. Let's do it from EMC driver since it provides the clk rate-change functionality. Signed-off-by: Dmitry Osipenko --- drivers/memory/tegra/tegra20-emc.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/memory/tegra/tegra20-emc.c b/drivers/memory/tegra/tegra20-emc.c index 2281bf9b784b..6dfd9807e042 100644 --- a/drivers/memory/tegra/tegra20-emc.c +++ b/drivers/memory/tegra/tegra20-emc.c @@ -882,6 +882,9 @@ static int tegra_emc_probe(struct platform_device *pdev) err); } + if (IS_ENABLED(CONFIG_ARM_TEGRA20_DEVFREQ)) + platform_device_register_simple("tegra20-devfreq", -1, NULL, 0); + /* * Don't allow the kernel module to be unloaded. Unloading adds some * extra complexity which doesn't really worth the effort in a case of