From: Tim Harvey Date: Tue, 9 Jun 2015 13:40:22 +0000 (-0700) Subject: thermal:imx_thermal: enter busywait cooling loop when over max CPU temp X-Git-Tag: v2015.10-rc1~2^2~63 X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=3b7ad216e26567342162722fca7b2e142e694d0f;p=oweals%2Fu-boot.git thermal:imx_thermal: enter busywait cooling loop when over max CPU temp Remove the check for temperature being within the min/max range and enter the busywait cooling loop whenever the CPU temperature is over the critical temp. This fixes the issue where if a board was booted at a temp greater than the CPU temperature max, it would skip the loop and never indicate or try to address the overtemp issue. Cc: Ye Li Cc: Jason Liu Signed-off-by: Tim Harvey --- diff --git a/drivers/thermal/imx_thermal.c b/drivers/thermal/imx_thermal.c index 0d893c9d06..42ca8d0b6b 100644 --- a/drivers/thermal/imx_thermal.c +++ b/drivers/thermal/imx_thermal.c @@ -130,16 +130,12 @@ int imx_thermal_get_temp(struct udevice *dev, int *temp) int cpu_tmp = 0; cpu_tmp = read_cpu_temperature(dev); - while (cpu_tmp > priv->minc && cpu_tmp < priv->maxc) { - if (cpu_tmp >= priv->critical) { - printf("CPU Temperature (%dC) too close to max (%dC)", - cpu_tmp, priv->maxc); - puts(" waiting...\n"); - udelay(5000000); - cpu_tmp = read_cpu_temperature(dev); - } else { - break; - } + while (cpu_tmp >= priv->critical) { + printf("CPU Temperature (%dC) too close to max (%dC)", + cpu_tmp, priv->maxc); + puts(" waiting...\n"); + udelay(5000000); + cpu_tmp = read_cpu_temperature(dev); } *temp = cpu_tmp;