diff options
Diffstat (limited to 'include/dm/device.h')
| -rw-r--r-- | include/dm/device.h | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/include/dm/device.h b/include/dm/device.h index e665558..28533ce 100644 --- a/include/dm/device.h +++ b/include/dm/device.h @@ -71,12 +71,22 @@ struct driver_info; * Device is removed without switching off its power domain. This might * be required, i. e. for serial console (debug) output when booting OS. */ -#define DM_FLAG_REMOVE_WITH_PD_ON (1 << 13) +#define DM_FLAG_LEAVE_PD_ON (1 << 13) + +/* + * Device is vital to the operation of other devices. It is possible to remove + * removed this device after all regular devices are removed. This is useful + * e.g. for clock, which need to be active during the device-removal phase. + */ +#define DM_FLAG_VITAL (1 << 14) /* * One or multiple of these flags are passed to device_remove() so that * a selective device removal as specified by the remove-stage and the * driver flags can be done. + * + * DO NOT use these flags in your driver's @flags value... + * use the above DM_FLAG_... values instead */ enum { /* Normal remove, remove all devices */ @@ -88,7 +98,8 @@ enum { /* Remove devices which need some final OS preparation steps */ DM_REMOVE_OS_PREPARE = DM_FLAG_OS_PREPARE, - /* Add more use cases here */ + /* Remove only devices that are not marked vital */ + DM_REMOVE_NON_VITAL = DM_FLAG_VITAL, /* Remove devices with any active flag */ DM_REMOVE_ACTIVE_ALL = DM_REMOVE_ACTIVE_DMA | DM_REMOVE_OS_PREPARE, |