diff options
Diffstat (limited to 'drivers/thermal/imx_thermal.c')
| -rw-r--r-- | drivers/thermal/imx_thermal.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/thermal/imx_thermal.c b/drivers/thermal/imx_thermal.c index b159464..d137bfd 100644 --- a/drivers/thermal/imx_thermal.c +++ b/drivers/thermal/imx_thermal.c @@ -16,6 +16,7 @@ #include <dm.h> #include <errno.h> #include <malloc.h> +#include <linux/math64.h> #include <thermal.h> #include <imx_thermal.h> @@ -55,8 +56,9 @@ static int read_cpu_temperature(struct udevice *dev) struct thermal_data *priv = dev_get_priv(dev); u32 fuse = priv->fuse; int t1, n1; - u64 c1, c2; - u64 temp64; + s64 c1, c2; + s64 temp64; + s32 rem; /* * Sensor data layout: @@ -88,7 +90,7 @@ static int read_cpu_temperature(struct udevice *dev) */ temp64 = FACTOR0; temp64 *= 1000000; - do_div(temp64, FACTOR1 * n1 - FACTOR2); + temp64 = div_s64_rem(temp64, FACTOR1 * n1 - FACTOR2, &rem); c1 = temp64; c2 = n1 * c1 + 1000000 * t1; @@ -123,7 +125,7 @@ static int read_cpu_temperature(struct udevice *dev) writel(TEMPSENSE0_FINISHED, &anatop->tempsense0_clr); /* Tmeas = (c2 - Nmeas * c1 + OFFSET) / 1000000 */ - temperature = lldiv(c2 - n_meas * c1 + OFFSET, 1000000); + temperature = div_s64_rem(c2 - n_meas * c1 + OFFSET, 1000000, &rem); /* power down anatop thermal sensor */ writel(TEMPSENSE0_POWER_DOWN, &anatop->tempsense0_set); |