linux-kernel - [PATCH 2/2] thermal: armada-thermal: clear reset in armadaxp

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Message-ID: <MWHPR10MB13435C92C02136EE4582B1218C450@MWHPR10MB1343.namprd10.prod.outlook.com>
Date:   Tue, 26 Nov 2019 14:54:11 +0000
From:   Zak Hays <zak.hays@...mark.com>
To:     Zak Hays <zak.hays@...mark.com>
CC:     Miquel Raynal <miquel.raynal@...tlin.com>,
        Zhang Rui <rui.zhang@...el.com>,
        Eduardo Valentin <edubezval@...il.com>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Amit Kucheria <amit.kucheria@...durent.com>,
        "linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: [PATCH 2/2] thermal: armada-thermal: clear reset in armadaxp_init

The reset bit needs to be cleared in the init sequence otherwise it

holds the block in reset.

---

 drivers/thermal/armada_thermal.c | 3 +++

 1 file changed, 3 insertions(+)



diff --git a/drivers/thermal/armada_thermal.c b/drivers/thermal/armada_thermal.c

index 88363812033c..8c4d1244ee7a 100644

--- a/drivers/thermal/armada_thermal.c

+++ b/drivers/thermal/armada_thermal.c

@@ -155,6 +155,9 @@ static void armadaxp_init(struct platform_device *pdev,

 

         regmap_write(priv->syscon, data->syscon_control1_off, reg);

 

+       reg &= ~PMU_TDC0_SW_RST_MASK;

+       regmap_write(priv->syscon, data->syscon_control1_off, reg);

+

         /* Enable the sensor */

         regmap_read(priv->syscon, data->syscon_status_off, &reg);

         reg &= ~PMU_TM_DISABLE_MASK;

-- 

2.7.4