Use the new function of_property_read_s32_array() to prepare
of-thermal for negative coefficients. These are used by
the upcoming bcm2835_thermal driver.
Signed-off-by: Stefan Wahren <stefan.wahren@xxxxxxxx>
---
drivers/thermal/of-thermal.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/thermal/of-thermal.c b/drivers/thermal/of-thermal.c
index d04ec3b..491d58a 100644
--- a/drivers/thermal/of-thermal.c
+++ b/drivers/thermal/of-thermal.c
@@ -821,7 +821,8 @@ __init *thermal_of_build_thermal_zone(struct device_node *np)
struct device_node *child = NULL, *gchild;
struct __thermal_zone *tz;
int ret, i;
- u32 prop, coef[2];
+ u32 prop;
+ s32 coef[2];
if (!np) {
pr_err("no thermal zone np\n");
@@ -851,7 +852,7 @@ __init *thermal_of_build_thermal_zone(struct device_node *np)
* one sensor per thermal zone. Thus, we are considering
* only the first two values as slope and offset.
*/
- ret = of_property_read_u32_array(np, "coefficients", coef, 2);
+ ret = of_property_read_s32_array(np, "coefficients", coef, 2);
if (ret == 0) {
tz->slope = coef[0];
tz->offset = coef[1];
--
1.7.9.5
--
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