| Message ID | 1415898165-27406-7-git-send-email-l.majewski@samsung.com (mailing list archive) |
|---|---|
| State | Rejected |
| Delegated to: | Eduardo Valentin |
| Headers | show |
Lukaz, On Thu, Nov 13, 2014 at 06:02:43PM +0100, Lukasz Majewski wrote: > 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 <l.majewski@samsung.com> > --- > 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 This is part of drivers/thermal/ti-soc-thermal/ti-thermal-common.c. So, no need to duplicate it in here. > bgp = ti_bandgap_build(pdev); > if (IS_ERR(bgp)) { > dev_err(&pdev->dev, "failed to fetch platform data\n"); > -- > 2.0.0.rc2 >
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");
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 <l.majewski@samsung.com> --- drivers/thermal/ti-soc-thermal/ti-bandgap.c | 7 +++++++ 1 file changed, 7 insertions(+)