diff options
Diffstat (limited to 'include/linux/cdx/cdx_bus.h')
| -rw-r--r-- | include/linux/cdx/cdx_bus.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/include/linux/cdx/cdx_bus.h b/include/linux/cdx/cdx_bus.h index bead71b7bc73..8320ec3b9e37 100644 --- a/include/linux/cdx/cdx_bus.h +++ b/include/linux/cdx/cdx_bus.h @@ -21,11 +21,13 @@ struct cdx_controller; enum { + CDX_DEV_BUS_MASTER_CONF, CDX_DEV_RESET_CONF, }; struct cdx_device_config { u8 type; + bool bus_master_enable; }; typedef int (*cdx_scan_cb)(struct cdx_controller *cdx); @@ -170,4 +172,20 @@ extern struct bus_type cdx_bus_type; */ int cdx_dev_reset(struct device *dev); +/** + * cdx_set_master - enables bus-mastering for CDX device + * @cdx_dev: the CDX device to enable + * + * Return: 0 for success, -errno on failure + */ +int cdx_set_master(struct cdx_device *cdx_dev); + +/** + * cdx_clear_master - disables bus-mastering for CDX device + * @cdx_dev: the CDX device to disable + * + * Return: 0 for success, -errno on failure + */ +int cdx_clear_master(struct cdx_device *cdx_dev); + #endif /* _CDX_BUS_H_ */ |