From patchwork Mon May 17 06:14:40 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Srinivas Pandruvada X-Patchwork-Id: 441568 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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham 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 4DCDEC43461 for ; Mon, 17 May 2021 06:22:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2D7906121F for ; Mon, 17 May 2021 06:22:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231919AbhEQGYL (ORCPT ); Mon, 17 May 2021 02:24:11 -0400 Received: from mga11.intel.com ([192.55.52.93]:34734 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234906AbhEQGYK (ORCPT ); Mon, 17 May 2021 02:24:10 -0400 IronPort-SDR: xF4l3eQKMFd8QFjg/98Pdi8vsA5/RGyFfyZje9fK020PIXvYDXQ9VK/Mak72A5k92rgl8p5GvO AA1+fbgo+Hxg== X-IronPort-AV: E=McAfee;i="6200,9189,9986"; a="197306274" X-IronPort-AV: E=Sophos;i="5.82,306,1613462400"; d="scan'208";a="197306274" Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 May 2021 23:22:54 -0700 IronPort-SDR: n9XLUXmqY0w22WDF0n7nbrUZrrR/05JdZwWZaTkLiH55D70lpdJXyAYChSS9Oy5dAG1laTd682 KhGx2uTwiVdw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.82,306,1613462400"; d="scan'208";a="393388428" Received: from spandruv-desk.jf.intel.com ([10.54.75.21]) by orsmga003.jf.intel.com with ESMTP; 16 May 2021 23:22:53 -0700 From: Srinivas Pandruvada To: daniel.lezcano@linaro.org, rui.zhang@intel.com, amitk@kernel.org Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, Srinivas Pandruvada Subject: [PATCH 1/2] thermal: int340x: processor_thermal: Export mailbox interface Date: Sun, 16 May 2021 23:14:40 -0700 Message-Id: <20210517061441.1921901-2-srinivas.pandruvada@linux.intel.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210517061441.1921901-1-srinivas.pandruvada@linux.intel.com> References: <20210517061441.1921901-1-srinivas.pandruvada@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Export the mailbox interface to be used by other modules. Also change command id and response from u8 to u32 data type. Signed-off-by: Srinivas Pandruvada --- .../intel/int340x_thermal/processor_thermal_device.h | 2 ++ .../intel/int340x_thermal/processor_thermal_mbox.c | 12 +++++++++--- 2 files changed, 11 insertions(+), 3 deletions(-) diff --git a/drivers/thermal/intel/int340x_thermal/processor_thermal_device.h b/drivers/thermal/intel/int340x_thermal/processor_thermal_device.h index b9ed64561aaf..3161607424f5 100644 --- a/drivers/thermal/intel/int340x_thermal/processor_thermal_device.h +++ b/drivers/thermal/intel/int340x_thermal/processor_thermal_device.h @@ -79,4 +79,6 @@ void proc_thermal_rfim_remove(struct pci_dev *pdev); int proc_thermal_mbox_add(struct pci_dev *pdev, struct proc_thermal_device *proc_priv); void proc_thermal_mbox_remove(struct pci_dev *pdev); +int processor_thermal_send_mbox_cmd(struct pci_dev *pdev, u16 cmd_id, u32 cmd_data, u32 *cmd_resp); + #endif diff --git a/drivers/thermal/intel/int340x_thermal/processor_thermal_mbox.c b/drivers/thermal/intel/int340x_thermal/processor_thermal_mbox.c index 990f51f22884..59e93b04f0a9 100644 --- a/drivers/thermal/intel/int340x_thermal/processor_thermal_mbox.c +++ b/drivers/thermal/intel/int340x_thermal/processor_thermal_mbox.c @@ -23,7 +23,7 @@ static DEFINE_MUTEX(mbox_lock); -static int send_mbox_cmd(struct pci_dev *pdev, u8 cmd_id, u32 cmd_data, u8 *cmd_resp) +static int send_mbox_cmd(struct pci_dev *pdev, u16 cmd_id, u32 cmd_data, u32 *cmd_resp) { struct proc_thermal_device *proc_priv; u32 retries, data; @@ -82,6 +82,12 @@ static int send_mbox_cmd(struct pci_dev *pdev, u8 cmd_id, u32 cmd_data, u8 *cmd_ return ret; } +int processor_thermal_send_mbox_cmd(struct pci_dev *pdev, u16 cmd_id, u32 cmd_data, u32 *cmd_resp) +{ + return send_mbox_cmd(pdev, cmd_id, cmd_data, cmd_resp); +} +EXPORT_SYMBOL_GPL(processor_thermal_send_mbox_cmd); + /* List of workload types */ static const char * const workload_types[] = { "none", @@ -147,7 +153,7 @@ static ssize_t workload_type_show(struct device *dev, char *buf) { struct pci_dev *pdev = to_pci_dev(dev); - u8 cmd_resp; + u32 cmd_resp; int ret; ret = send_mbox_cmd(pdev, MBOX_CMD_WORKLOAD_TYPE_READ, 0, &cmd_resp); @@ -181,7 +187,7 @@ static bool workload_req_created; int proc_thermal_mbox_add(struct pci_dev *pdev, struct proc_thermal_device *proc_priv) { - u8 cmd_resp; + u32 cmd_resp; int ret; /* Check if there is a mailbox support, if fails return success */