From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefan Wahren Subject: [PATCH V11 2/6] thermal: of-thermal: Implement signed coefficient support Date: Sun, 12 Mar 2017 22:11:01 +0000 Message-ID: <1489356665-3175-3-git-send-email-stefan.wahren@i2se.com> References: <1489356665-3175-1-git-send-email-stefan.wahren@i2se.com> Return-path: In-Reply-To: <1489356665-3175-1-git-send-email-stefan.wahren-eS4NqCHxEME@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Eduardo Valentin , Zhang Rui , kernel-TqfNSX0MhmxHKSADF0wUEw@public.gmane.org Cc: Eric Anholt , Rob Herring , Frank Rowand , Florian Fainelli , linux-rpi-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-pm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Stefan Wahren List-Id: devicetree@vger.kernel.org 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 --- 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 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html