Changeset 04028225 in mainline for uspace/lib/usbdev/src/pipes.c
- Timestamp:
- 2011-05-20T20:11:39Z (14 years ago)
- Branches:
- lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export
- Children:
- a9ab7f47
- Parents:
- 0edf7c7
- File:
-
- 1 edited
Legend:
- Unmodified
- Added
- Removed
-
uspace/lib/usbdev/src/pipes.c
r0edf7c7 r04028225 97 97 98 98 return (int) iface_no; 99 }100 101 /** Tell USB address assigned to given device.102 *103 * @param dev_handle Devman handle of the USB device in question.104 * @return USB address or negative error code.105 */106 usb_address_t usb_device_get_assigned_address(devman_handle_t dev_handle)107 {108 int parent_phone = devman_parent_device_connect(dev_handle,109 IPC_FLAG_BLOCKING);110 if (parent_phone < 0) {111 return parent_phone;112 }113 114 sysarg_t address;115 116 int rc = async_req_2_1(parent_phone, DEV_IFACE_ID(USB_DEV_IFACE),117 IPC_M_USB_GET_ADDRESS,118 dev_handle, &address);119 120 if (rc != EOK) {121 return rc;122 }123 124 async_hangup(parent_phone);125 126 return (usb_address_t) address;127 99 } 128 100
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