struct device_driver *driver; /* which driver has allocated this
device */
void *driver_data; /* data private to the driver */
- void *platform_data; /* Platform specific data (e.g. ACPI,
- BIOS data relevant to device) */
+ void *platform_data; /* Platform specific data, device
+ core doesn't touch it */
+ void *firmware_data; /* Firmware specific data (e.g. ACPI,
+ BIOS data),reserved for device core*/
struct dev_pm_info power;
u64 *dma_mask; /* dma mask (if dma'able device) */