Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754230AbaKMRDa (ORCPT ); Thu, 13 Nov 2014 12:03:30 -0500 Received: from mailout1.samsung.com ([203.254.224.24]:58434 "EHLO mailout1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753543AbaKMRDZ (ORCPT ); Thu, 13 Nov 2014 12:03:25 -0500 X-AuditID: cbfee61a-f79c06d000004e71-5f-5464e45b64b4 From: Lukasz Majewski To: Eduardo Valentin , Zhang Rui Cc: Ezequiel Garcia , Kuninori Morimoto , Linux PM list , Vincenzo Frascino , Bartlomiej Zolnierkiewicz , Lukasz Majewski , Nobuhiro Iwamatsu , Mikko Perttunen , Stephen Warren , Thierry Reding , Alexandre Courbot , linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org, Lukasz Majewski Subject: [PATCH 4/8] thermal:cpu cooling:spear: Provide deferred probing for spear driver Date: Thu, 13 Nov 2014 18:02:41 +0100 Message-id: <1415898165-27406-5-git-send-email-l.majewski@samsung.com> X-Mailer: git-send-email 1.7.10.4 In-reply-to: <1415898165-27406-1-git-send-email-l.majewski@samsung.com> References: <1411547232-21493-1-git-send-email-l.majewski@samsung.com> <1415898165-27406-1-git-send-email-l.majewski@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrLLMWRmVeSWpSXmKPExsVy+t9jQd2YJykhBnOms1tsnLGe1WL+lWus FqdPLWC1OPfqEYvF2+Zii1eHdzFavHnEbfHm4WZGi8u75rBZfO49wmjR+WUWm8WDq9PYLJ48 7GOzeHWwjcXi5655LBbHTsxgdRDweLLpIqPHzll32T0W73nJ5LFu2ltmjwOTz7F69Da/Y/P4 dmYii0ffllWMHk9/7GX2+LxJzmPj3NAA7igum5TUnMyy1CJ9uwSujNbLt5gLujgrPs7dwdTA eJK9i5GTQ0LAROLfvJMsELaYxIV769m6GLk4hASmM0os3/OXHcLpYpJY1fmaEaSKTUBP4vPd p0wgtoiAt8TrfdMZQYqYBV6zSBz60QA2VlggWuLo/n6gBAcHi4CqxO5z1iBhXgE3ifuTFrFC bFOU6H42gQ3E5hRwlzh64hPUsmZGic99s1gnMPIuYGRYxSiaWpBcUJyUnmuoV5yYW1yal66X nJ+7iREc6M+kdjCubLA4xCjAwajEw/uCJSVEiDWxrLgy9xCjBAezkghv9X2gEG9KYmVValF+ fFFpTmrxIUZpDhYlcd4DrdaBQgLpiSWp2ampBalFMFkmDk6pBsbE5+I18u67J+mG/D68a7NL sL886yfri2/LznEt/XNcZY5P1Yo7XU++/4vY8sCu4cz5GROU+9hagpv/bHK9rHy/+8GDn89Y rA4aOxg93/7yUn+q0e5tAT9uGHMySRf6d618YHyWZ2Puvwv3uN85C+zlvC0wP//jOZcuLZPN x/tdilsmfbzp57pViaU4I9FQi7moOBEA7PnmtnACAAA= Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org When CPU freq is used as a thermal zone cooling device, one needs to wait until cpufreq subsystem is properly initialized. This code is similar to the one already available in imx_thermal.c file. Signed-off-by: Lukasz Majewski --- drivers/thermal/spear_thermal.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/thermal/spear_thermal.c b/drivers/thermal/spear_thermal.c index 1e2193f..fd8fadf5 100644 --- a/drivers/thermal/spear_thermal.c +++ b/drivers/thermal/spear_thermal.c @@ -24,6 +24,7 @@ #include #include #include +#include #define MD_FACTOR 1000 @@ -107,6 +108,12 @@ static int spear_thermal_probe(struct platform_device *pdev) struct resource *res; int ret = 0, val; +#ifdef CONFIG_CPU_THERMAL + if (!cpufreq_get_current_driver()) { + dev_dbg(&pdev->dev, "no cpufreq driver!"); + return -EPROBE_DEFER; + } +#endif if (!np || !of_property_read_u32(np, "st,thermal-flags", &val)) { dev_err(&pdev->dev, "Failed: DT Pdata not passed\n"); return -EINVAL; -- 2.0.0.rc2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/