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    Subject[PATCH 12/21] drm/tegra: Probe dpaux devices on demand
    Date
    When looking up a dpaux device through its DT node, ensure that the
    corresponding device has been registered.

    Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
    ---
    drivers/gpu/drm/tegra/dpaux.c | 3 +++
    1 file changed, 3 insertions(+)

    diff --git a/drivers/gpu/drm/tegra/dpaux.c b/drivers/gpu/drm/tegra/dpaux.c
    index d6b55e3..10bba41 100644
    --- a/drivers/gpu/drm/tegra/dpaux.c
    +++ b/drivers/gpu/drm/tegra/dpaux.c
    @@ -12,6 +12,7 @@
    #include <linux/interrupt.h>
    #include <linux/io.h>
    #include <linux/of_gpio.h>
    +#include <linux/of_platform.h>
    #include <linux/platform_device.h>
    #include <linux/reset.h>
    #include <linux/regulator/consumer.h>
    @@ -397,6 +398,8 @@ struct tegra_dpaux *tegra_dpaux_find_by_of_node(struct device_node *np)
    {
    struct tegra_dpaux *dpaux;

    + of_platform_device_ensure(np);
    +
    mutex_lock(&dpaux_lock);

    list_for_each_entry(dpaux, &dpaux_list, list)
    --
    2.4.1


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