linux-kernel - [PATCH] thermal: ti-soc-thermal: Add set_emul

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:	Tue, 10 May 2016 17:12:10 +0530
From:	Keerthy <j-keerthy@...com>
To:	<edubezval@...il.com>, <rui.zhang@...el.com>
CC:	<linux-kernel@...r.kernel.org>, <linux-omap@...r.kernel.org>,
	<linux-pm@...r.kernel.org>, <nm@...com>, <j-keerthy@...com>
Subject: [PATCH] thermal: ti-soc-thermal: Add set_emul_temp hook

Setting the emulation temperature helps reproduce critical
temperature scenarios without risking the actual hardware at
extreme temperatures. Adding __ti_thermal_set_emul_temp as
the set_emul_temp hook.

Signed-off-by: Keerthy <j-keerthy@...com>
---

Tested the emulation temperature feature on DRA72-EVM.

 drivers/thermal/ti-soc-thermal/ti-thermal-common.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/drivers/thermal/ti-soc-thermal/ti-thermal-common.c b/drivers/thermal/ti-soc-thermal/ti-thermal-common.c
index b213a12..e6f7025 100644
--- a/drivers/thermal/ti-soc-thermal/ti-thermal-common.c
+++ b/drivers/thermal/ti-soc-thermal/ti-thermal-common.c
@@ -278,6 +278,20 @@ static int ti_thermal_get_trend(struct thermal_zone_device *thermal,
 	return 0;
 }
 
+static int __ti_thermal_set_emul_temp(void *p, int temp)
+{
+	struct ti_thermal_data *data = p;
+	struct thermal_zone_device *tz;
+
+	tz = data->ti_thermal;
+
+	mutex_lock(&tz->lock);
+	tz->emul_temperature = temp;
+	mutex_unlock(&tz->lock);
+
+	return 0;
+}
+
 /* Get critical temperature callback functions for thermal zone */
 static int ti_thermal_get_crit_temp(struct thermal_zone_device *thermal,
 				    int *temp)
@@ -289,6 +303,7 @@ static int ti_thermal_get_crit_temp(struct thermal_zone_device *thermal,
 static const struct thermal_zone_of_device_ops ti_of_thermal_ops = {
 	.get_temp = __ti_thermal_get_temp,
 	.get_trend = __ti_thermal_get_trend,
+	.set_emul_temp = __ti_thermal_set_emul_temp,
 };
 
 static struct thermal_zone_device_ops ti_thermal_ops = {
-- 
1.9.1