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From: Lukasz Luba <l.luba@partner.samsung.com>
To: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-pm@vger.kernel.org
Cc: rui.zhang@intel.com, edubezval@gmail.com,
	daniel.lezcano@linaro.org, robh+dt@kernel.org,
	mark.rutland@arm.com, corbet@lwn.net, b.zolnierkie@samsung.com,
	Lukasz Luba <l.luba@partner.samsung.com>
Subject: [PATCH 03/11] thermal: add new sysfs file for irq-mode
Date: Tue, 16 Oct 2018 16:56:14 +0200	[thread overview]
Message-ID: <20181016145644eucas1p2755acef5196e01799d5704fac9766547~eHqIWySvH0770707707eucas1p2z@eucas1p2.samsung.com> (raw)
In-Reply-To: <1539701782-26852-1-git-send-email-l.luba@partner.samsung.com>

Patch adds show functions for irq-mode feature.
It allocates new attributes and extends the old list.

Cc: Zhang Rui <rui.zhang@intel.com>
Cc: Eduardo Valentin <edubezval@gmail.com>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Lukasz Luba <l.luba@partner.samsung.com>
---
 drivers/thermal/thermal_sysfs.c | 53 +++++++++++++++++++++++++++++++++++++++--
 1 file changed, 51 insertions(+), 2 deletions(-)

diff --git a/drivers/thermal/thermal_sysfs.c b/drivers/thermal/thermal_sysfs.c
index 2241cea..372b439 100644
--- a/drivers/thermal/thermal_sysfs.c
+++ b/drivers/thermal/thermal_sysfs.c
@@ -21,6 +21,8 @@
 
 #include "thermal_core.h"
 
+#define TRIP_ATTR_NUM 4
+
 /* sys I/F for thermal zone */
 
 static ssize_t
@@ -167,6 +169,28 @@ trip_point_temp_show(struct device *dev, struct device_attribute *attr,
 }
 
 static ssize_t
+trip_point_irq_mode_show(struct device *dev, struct device_attribute *attr,
+			 char *buf)
+{
+	struct thermal_zone_device *tz = to_thermal_zone(dev);
+	int trip, ret;
+	bool mode;
+
+	if (!tz->ops->get_trip_irq_mode)
+		return -EPERM;
+
+	if (sscanf(attr->attr.name, "trip_point_%d_irq", &trip) != 1)
+		return -EINVAL;
+
+	ret = tz->ops->get_trip_irq_mode(tz, trip, &mode);
+
+	if (ret)
+		return ret;
+
+	return sprintf(buf, "%d\n", mode);
+}
+
+static ssize_t
 trip_point_hyst_store(struct device *dev, struct device_attribute *attr,
 		      const char *buf, size_t count)
 {
@@ -520,10 +544,19 @@ static int create_trip_attrs(struct thermal_zone_device *tz, int mask)
 	if (!tz->trip_type_attrs)
 		return -ENOMEM;
 
+	tz->trip_irq_mode_attrs = kcalloc(tz->trips,
+					  sizeof(*tz->trip_irq_mode_attrs),
+					  GFP_KERNEL);
+	if (!tz->trip_irq_mode_attrs) {
+		kfree(tz->trip_type_attrs);
+		return -ENOMEM;
+	}
+
 	tz->trip_temp_attrs = kcalloc(tz->trips, sizeof(*tz->trip_temp_attrs),
 				      GFP_KERNEL);
 	if (!tz->trip_temp_attrs) {
 		kfree(tz->trip_type_attrs);
+		kfree(tz->trip_irq_mode_attrs);
 		return -ENOMEM;
 	}
 
@@ -533,14 +566,17 @@ static int create_trip_attrs(struct thermal_zone_device *tz, int mask)
 					      GFP_KERNEL);
 		if (!tz->trip_hyst_attrs) {
 			kfree(tz->trip_type_attrs);
+			kfree(tz->trip_irq_mode_attrs);
 			kfree(tz->trip_temp_attrs);
 			return -ENOMEM;
 		}
 	}
 
-	attrs = kcalloc(tz->trips * 3 + 1, sizeof(*attrs), GFP_KERNEL);
+	attrs = kcalloc(tz->trips * TRIP_ATTR_NUM + 1, sizeof(*attrs),
+			GFP_KERNEL);
 	if (!attrs) {
 		kfree(tz->trip_type_attrs);
+		kfree(tz->trip_irq_mode_attrs);
 		kfree(tz->trip_temp_attrs);
 		if (tz->ops->get_trip_hyst)
 			kfree(tz->trip_hyst_attrs);
@@ -559,6 +595,19 @@ static int create_trip_attrs(struct thermal_zone_device *tz, int mask)
 		tz->trip_type_attrs[indx].attr.show = trip_point_type_show;
 		attrs[indx] = &tz->trip_type_attrs[indx].attr.attr;
 
+		/* create trip irq_mode attribute */
+		snprintf(tz->trip_irq_mode_attrs[indx].name,
+			 THERMAL_NAME_LENGTH, "trip_point_%d_irq", indx);
+
+		sysfs_attr_init(&tz->trip_irq_mode_attrs[indx].attr.attr);
+		tz->trip_irq_mode_attrs[indx].attr.attr.name =
+			tz->trip_irq_mode_attrs[indx].name;
+		tz->trip_irq_mode_attrs[indx].attr.attr.mode = S_IRUGO;
+		tz->trip_irq_mode_attrs[indx].attr.show =
+			trip_point_irq_mode_show;
+		attrs[indx + tz->trips * 3] =
+			&tz->trip_irq_mode_attrs[indx].attr.attr;
+
 		/* create trip temp attribute */
 		snprintf(tz->trip_temp_attrs[indx].name, THERMAL_NAME_LENGTH,
 			 "trip_point_%d_temp", indx);
@@ -595,7 +644,7 @@ static int create_trip_attrs(struct thermal_zone_device *tz, int mask)
 		attrs[indx + tz->trips * 2] =
 					&tz->trip_hyst_attrs[indx].attr.attr;
 	}
-	attrs[tz->trips * 3] = NULL;
+	attrs[tz->trips * TRIP_ATTR_NUM] = NULL;
 
 	tz->trips_attribute_group.attrs = attrs;
 
-- 
2.7.4


  parent reply	other threads:[~2018-10-16 14:57 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <1539701782-26852-1-git-send-email-l.luba@partner.samsung.com>
     [not found] ` <CGME20181016145640eucas1p10d60eaf07c6a4b0c539e46053d2ea7de@eucas1p1.samsung.com>
2018-10-16 14:56   ` [PATCH 01/11] thermal: remove unused function parameter Lukasz Luba
     [not found] ` <CGME20181016145642eucas1p2d3cfc208d3f401bfe662d6df071cc3b8@eucas1p2.samsung.com>
2018-10-16 14:56   ` [PATCH 02/11] thermal: add irq-mode configuration for trip point Lukasz Luba
     [not found] ` <CGME20181016145644eucas1p2755acef5196e01799d5704fac9766547@eucas1p2.samsung.com>
2018-10-16 14:56   ` Lukasz Luba [this message]
     [not found] ` <CGME20181016145644eucas1p2a75a10af4c741ded4836ddd9648a7289@eucas1p2.samsung.com>
2018-10-16 14:56   ` [PATCH 04/11] Doc: thermal: new irq-mode " Lukasz Luba
     [not found] ` <CGME20181016145646eucas1p1bd4607c80258df10777ed111cf889fbc@eucas1p1.samsung.com>
2018-10-16 14:56   ` [PATCH 05/11] Doc: DT: " Lukasz Luba
     [not found] ` <CGME20181016145647eucas1p206c068806214535da339588d77cbdfa5@eucas1p2.samsung.com>
2018-10-16 14:56   ` [PATCH 06/11] DT: arm64: exynos: add support for thermal trip irq-mode Lukasz Luba
2018-10-16 15:09     ` Krzysztof Kozlowski
2018-10-16 15:48       ` Lukasz Luba
2018-10-17  7:04         ` Krzysztof Kozlowski
     [not found] ` <CGME20181016145648eucas1p275ad5f845a04e40e5b9d0bbea624f34a@eucas1p2.samsung.com>
2018-10-16 14:56   ` [PATCH 07/11] DT: arm64: exynos7: " Lukasz Luba
2018-10-16 15:10     ` Krzysztof Kozlowski
     [not found] ` <CGME20181016145650eucas1p2330e8d680b70acffaea223a5a8c51ca0@eucas1p2.samsung.com>
2018-10-16 14:56   ` [PATCH 08/11] DT: arm: exynos4: " Lukasz Luba
2018-10-16 15:10     ` Krzysztof Kozlowski
     [not found] ` <CGME20181016145651eucas1p1ea84684e37e67b4161548e6cff489cb8@eucas1p1.samsung.com>
2018-10-16 14:56   ` [PATCH 09/11] DT: arm: exynos: " Lukasz Luba
2018-10-16 15:13     ` Krzysztof Kozlowski
2018-10-16 15:54       ` Lukasz Luba
     [not found] ` <CGME20181016145652eucas1p2939c6aa628ba099c9609a8cbc17db1a4@eucas1p2.samsung.com>
2018-10-16 14:56   ` [PATCH 10/11] " Lukasz Luba
     [not found] ` <CGME20181016145653eucas1p2c408ac952ed5c351c98398fa3df373e6@eucas1p2.samsung.com>
2018-10-16 14:56   ` [PATCH 11/11] " Lukasz Luba

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