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)