From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 799ECC28EB4 for ; Thu, 6 Jun 2019 14:31:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 546FF2070B for ; Thu, 6 Jun 2019 14:31:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729062AbfFFObO (ORCPT ); Thu, 6 Jun 2019 10:31:14 -0400 Received: from mx2.suse.de ([195.135.220.15]:49886 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727133AbfFFObO (ORCPT ); Thu, 6 Jun 2019 10:31:14 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 537DCAFDB; Thu, 6 Jun 2019 14:31:12 +0000 (UTC) From: Nicolas Saenz Julienne To: stefan.wahren@i2se.com, linux-kernel@vger.kernel.org Cc: mbrugger@suse.de, viresh.kumar@linaro.org, rjw@rjwysocki.net, sboyd@kernel.org, eric@anholt.net, f.fainelli@gmail.com, bcm-kernel-feedback-list@broadcom.com, ptesarik@suse.com, linux-rpi-kernel@lists.infradead.org, ssuloev@orpaltech.com, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, mturquette@baylibre.com, linux-pm@vger.kernel.org, Nicolas Saenz Julienne Subject: [PATCH v2 5/7] clk: raspberrypi: register platform device for raspberrypi-cpufreq Date: Thu, 6 Jun 2019 16:22:58 +0200 Message-Id: <20190606142255.29454-6-nsaenzjulienne@suse.de> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190606142255.29454-1-nsaenzjulienne@suse.de> References: <20190606142255.29454-1-nsaenzjulienne@suse.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org As 'clk-raspberrypi' depends on RPi's firmware interface, which might be configured as a module, the cpu clock might not be available for the cpufreq driver during it's init process. So we register the 'raspberrypi-cpufreq' platform device after the probe sequence succeeds. Signed-off-by: Nicolas Saenz Julienne Acked-by: Eric Anholt --- drivers/clk/bcm/clk-raspberrypi.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/drivers/clk/bcm/clk-raspberrypi.c b/drivers/clk/bcm/clk-raspberrypi.c index b1365cf19f3a..052296b5fbe4 100644 --- a/drivers/clk/bcm/clk-raspberrypi.c +++ b/drivers/clk/bcm/clk-raspberrypi.c @@ -63,6 +63,8 @@ struct raspberrypi_firmware_prop { __le32 disable_turbo; } __packed; +static struct platform_device *rpi_cpufreq; + static int raspberrypi_clock_property(struct rpi_firmware *firmware, u32 tag, u32 clk, u32 *val) { @@ -285,6 +287,17 @@ static int raspberrypi_clk_probe(struct platform_device *pdev) return ret; } + rpi_cpufreq = platform_device_register_data(dev, "raspberrypi-cpufreq", + -1, NULL, 0); + + return 0; +} + +static int raspberrypi_clk_remove(struct platform_device *pdev) +{ + platform_device_unregister(rpi_cpufreq); + rpi_cpufreq = NULL; + return 0; } @@ -293,6 +306,7 @@ static struct platform_driver raspberrypi_clk_driver = { .name = "raspberrypi-clk", }, .probe = raspberrypi_clk_probe, + .remove = raspberrypi_clk_remove, }; module_platform_driver(raspberrypi_clk_driver); -- 2.21.0