From patchwork Fri Mar 17 15:52:57 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Niklas_S=C3=B6derlund?= X-Patchwork-Id: 9631025 X-Patchwork-Delegate: eduardo.valentin@ti.com Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 8FFA2602D8 for ; Fri, 17 Mar 2017 16:02:27 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8C4FD27C0B for ; Fri, 17 Mar 2017 16:02:27 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 7F4052810E; Fri, 17 Mar 2017 16:02:27 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0B62D27B2F for ; Fri, 17 Mar 2017 16:02:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751132AbdCQQCL (ORCPT ); Fri, 17 Mar 2017 12:02:11 -0400 Received: from smtp-4.sys.kth.se ([130.237.48.193]:56335 "EHLO smtp-4.sys.kth.se" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751061AbdCQQCG (ORCPT ); Fri, 17 Mar 2017 12:02:06 -0400 Received: from smtp-4.sys.kth.se (localhost.localdomain [127.0.0.1]) by smtp-4.sys.kth.se (Postfix) with ESMTP id 575923616; Fri, 17 Mar 2017 16:53:23 +0100 (CET) X-Virus-Scanned: by amavisd-new at kth.se Received: from smtp-4.sys.kth.se ([127.0.0.1]) by smtp-4.sys.kth.se (smtp-4.sys.kth.se [127.0.0.1]) (amavisd-new, port 10024) with LMTP id IIqiHPMXyR9x; Fri, 17 Mar 2017 16:53:22 +0100 (CET) X-KTH-Auth: niso [89.233.230.99] X-KTH-mail-from: niklas.soderlund+renesas@ragnatech.se Received: from bismarck.berto.se (unknown [89.233.230.99]) by smtp-4.sys.kth.se (Postfix) with ESMTPSA id 7205035A8; Fri, 17 Mar 2017 16:53:22 +0100 (CET) From: =?UTF-8?q?Niklas=20S=C3=B6derlund?= To: linux-pm@vger.kernel.org, Wolfram Sang Cc: linux-renesas-soc@vger.kernel.org, Zhang Rui , Eduardo Valentin , =?UTF-8?q?Niklas=20S=C3=B6derlund?= Subject: [PATCH v2 4/7] thermal: rcar_gen3_thermal: record and check number of TSCs found Date: Fri, 17 Mar 2017 16:52:57 +0100 Message-Id: <20170317155300.21566-5-niklas.soderlund+renesas@ragnatech.se> X-Mailer: git-send-email 2.12.0 In-Reply-To: <20170317155300.21566-1-niklas.soderlund+renesas@ragnatech.se> References: <20170317155300.21566-1-niklas.soderlund+renesas@ragnatech.se> MIME-Version: 1.0 Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Record how many TSCs are found in struct rcar_gen3_thermal_priv, this is needed to be able to add hardware interrupts for trip points later. Also add a check to make sure at least one TSC is found. Signed-off-by: Niklas Söderlund Reviewed-by: Geert Uytterhoeven Reviewed-by: Wolfram Sang --- drivers/thermal/rcar_gen3_thermal.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/thermal/rcar_gen3_thermal.c b/drivers/thermal/rcar_gen3_thermal.c index 9b6bc03dd142a8dd..3b6e85abfadc61a3 100644 --- a/drivers/thermal/rcar_gen3_thermal.c +++ b/drivers/thermal/rcar_gen3_thermal.c @@ -74,6 +74,7 @@ struct rcar_gen3_thermal_tsc { }; struct rcar_gen3_thermal_priv { + unsigned int num_tscs; struct rcar_gen3_thermal_tsc *tscs[TSC_MAX_NUM]; }; @@ -305,6 +306,12 @@ static int rcar_gen3_thermal_probe(struct platform_device *pdev) goto error_unregister; } tsc->zone = zone; + priv->num_tscs++; + } + + if (!priv->num_tscs) { + ret = -ENODEV; + goto error_unregister; } return 0;