When CPU freq is used as a thermal zone cooling device, one needs to wait until cpufreq subsystem is properly initialized.
This code is similar to the one already available in imx_thermal.c file. Signed-off-by: Lukasz Majewski <[email protected]> --- drivers/thermal/ti-soc-thermal/ti-bandgap.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/thermal/ti-soc-thermal/ti-bandgap.c b/drivers/thermal/ti-soc-thermal/ti-bandgap.c index 634b6ce..0ac5ead 100644 --- a/drivers/thermal/ti-soc-thermal/ti-bandgap.c +++ b/drivers/thermal/ti-soc-thermal/ti-bandgap.c @@ -40,6 +40,7 @@ #include <linux/of_irq.h> #include <linux/of_gpio.h> #include <linux/io.h> +#include <linux/cpufreq.h> #include "ti-bandgap.h" @@ -1196,6 +1197,12 @@ int ti_bandgap_probe(struct platform_device *pdev) struct ti_bandgap *bgp; int clk_rate, ret = 0, i; +#ifdef CONFIG_CPU_THERMAL + if (!cpufreq_get_current_driver()) { + dev_dbg(&pdev->dev, "no cpufreq driver!"); + return -EPROBE_DEFER; + } +#endif bgp = ti_bandgap_build(pdev); if (IS_ERR(bgp)) { dev_err(&pdev->dev, "failed to fetch platform data\n"); -- 2.0.0.rc2 -- To unsubscribe from this list: send the line "unsubscribe linux-tegra" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
