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  • uspace/lib/usb/src/usbdrv.c

    r6f04905 r62c9661  
    100100}
    101101
    102 /** Tell HC to reserve default address.
    103  *
    104  * @param phone Open phone to host controller driver.
    105  * @return Error code.
    106  */
    107 int usb_drv_reserve_default_address(int phone)
    108 {
    109         return async_req_0_0(phone, IPC_M_USBHC_RESERVE_DEFAULT_ADDRESS);
    110 }
    111 
    112 /** Tell HC to release default address.
    113  *
    114  * @param phone Open phone to host controller driver.
    115  * @return Error code.
    116  */
    117 int usb_drv_release_default_address(int phone)
    118 {
    119         return async_req_0_0(phone, IPC_M_USBHC_RELEASE_DEFAULT_ADDRESS);
    120 }
    121 
    122 /** Ask HC for free address assignment.
    123  *
    124  * @param phone Open phone to host controller driver.
    125  * @return Assigned USB address or negative error code.
    126  */
    127 usb_address_t usb_drv_request_address(int phone)
    128 {
    129         ipcarg_t address;
    130         int rc = async_req_0_1(phone, IPC_M_USBHC_REQUEST_ADDRESS, &address);
    131         if (rc != EOK) {
    132                 return rc;
    133         } else {
    134                 return (usb_address_t) address;
    135         }
    136 }
    137 
    138 /** Inform HC about address release.
    139  *
    140  * @param phone Open phone to host controller driver.
    141  * @param address Address to be released.
    142  * @return Error code.
    143  */
    144 int usb_drv_release_address(int phone, usb_address_t address)
    145 {
    146         return async_req_1_0(phone, IPC_M_USBHC_RELEASE_ADDRESS, address);
    147 }
    148 
    149102/** Send data to HCD.
    150103 *
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