#include <linux/list.h>
#include <linux/mutex.h>
+#include <linux/pci.h>
+#include <linux/platform_device.h>
#include <media/media-devnode.h>
#include <media/media-entity.h>
struct ida;
-struct device;
struct media_device;
/**
atomic_t request_id;
};
-/* We don't need to include pci.h or usb.h here */
-struct pci_dev;
+/* We don't need to include usb.h here */
struct usb_device;
#ifdef CONFIG_MEDIA_CONTROLLER
#define media_device_usb_init(mdev, udev, name) \
__media_device_usb_init(mdev, udev, name, KBUILD_MODNAME)
+/**
+ * media_set_bus_info() - Set bus_info field
+ *
+ * @bus_info: Variable where to write the bus info (char array)
+ * @bus_info_size: Length of the bus_info
+ * @dev: Related struct device
+ *
+ * Sets bus information based on &dev. This is currently done for PCI and
+ * platform devices. dev is required to be non-NULL for this to happen.
+ *
+ * This function is not meant to be called from drivers.
+ */
+static inline void
+media_set_bus_info(char *bus_info, size_t bus_info_size, struct device *dev)
+{
+ if (!dev)
+ strscpy(bus_info, "no bus info", bus_info_size);
+ else if (dev_is_platform(dev))
+ snprintf(bus_info, bus_info_size, "platform:%s", dev_name(dev));
+ else if (dev_is_pci(dev))
+ snprintf(bus_info, bus_info_size, "PCI:%s", dev_name(dev));
+}
+
#endif