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

Cc: Zhang Rui <rui.zh...@intel.com>
Cc: Eduardo Valentin <edubez...@gmail.com>
Cc: Daniel Lezcano <daniel.lezc...@linaro.org>
Signed-off-by: Lukasz Luba <l.l...@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

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