From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dmitry Osipenko 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> References: <20200607185530.18113-1-digetx@gmail.com> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20200607185530.18113-1-digetx-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> Sender: linux-tegra-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Thierry Reding , Jonathan Hunter , Georgi Djakov , Rob Herring , Michael Turquette , Stephen Boyd , Peter De Schrijver , MyungJoo Ham , Kyungmin Park , Chanwoo Choi , Mikko Perttunen Cc: =?UTF-8?q?Artur=20=C5=9Awigo=C5=84?= , linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-pm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-tegra@vger.kernel.org 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 -- 2.26.0