From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp-3.sys.kth.se ([130.237.48.192]:55212 "EHLO smtp-3.sys.kth.se" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752292AbdC2SpT (ORCPT ); Wed, 29 Mar 2017 14:45:19 -0400 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 v3 4/7] thermal: rcar_gen3_thermal: record and check number of TSCs found Date: Wed, 29 Mar 2017 20:43:53 +0200 Message-Id: <20170329184356.8610-5-niklas.soderlund+renesas@ragnatech.se> In-Reply-To: <20170329184356.8610-1-niklas.soderlund+renesas@ragnatech.se> References: <20170329184356.8610-1-niklas.soderlund+renesas@ragnatech.se> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-renesas-soc-owner@vger.kernel.org List-ID: 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 | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/thermal/rcar_gen3_thermal.c b/drivers/thermal/rcar_gen3_thermal.c index 9b6bc03dd142a8dd..4a08b35533dcc3a9 100644 --- a/drivers/thermal/rcar_gen3_thermal.c +++ b/drivers/thermal/rcar_gen3_thermal.c @@ -75,6 +75,7 @@ struct rcar_gen3_thermal_tsc { struct rcar_gen3_thermal_priv { struct rcar_gen3_thermal_tsc *tscs[TSC_MAX_NUM]; + unsigned int num_tscs; }; struct rcar_gen3_thermal_data { @@ -307,6 +308,13 @@ static int rcar_gen3_thermal_probe(struct platform_device *pdev) tsc->zone = zone; } + priv->num_tscs = i; + + if (!priv->num_tscs) { + ret = -ENODEV; + goto error_unregister; + } + return 0; error_unregister: -- 2.12.1