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    Subject[PATCH 1/8] thermal:cpu cooling:armada: Provide deferred probing for armada driver
    Date
    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/armada_thermal.c | 7 +++++++
    1 file changed, 7 insertions(+)

    diff --git a/drivers/thermal/armada_thermal.c b/drivers/thermal/armada_thermal.c
    index 9d1420a..1b5d15d 100644
    --- a/drivers/thermal/armada_thermal.c
    +++ b/drivers/thermal/armada_thermal.c
    @@ -23,6 +23,7 @@
    #include <linux/platform_device.h>
    #include <linux/of_device.h>
    #include <linux/thermal.h>
    +#include <linux/cpufreq.h>

    #define THERMAL_VALID_MASK 0x1

    @@ -280,6 +281,12 @@ static int armada_thermal_probe(struct platform_device *pdev)
    struct armada_thermal_priv *priv;
    struct resource *res;

    +#ifdef CONFIG_CPU_THERMAL
    + if (!cpufreq_get_current_driver()) {
    + dev_dbg(&pdev->dev, "no cpufreq driver!");
    + return -EPROBE_DEFER;
    + }
    +#endif
    match = of_match_device(armada_thermal_id_table, &pdev->dev);
    if (!match)
    return -ENODEV;
    --
    2.0.0.rc2


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