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  • uspace/drv/bus/usb/ohci/hc.c

    r9dfb034 rd1582b50  
    11/*
    2  * Copyright (c) 2025 Jiri Svoboda
    32 * Copyright (c) 2011 Jan Vesely
    43 * Copyright (c) 2018 Ondrej Hlavaty
     
    197196}
    198197
    199 /** Quiesce host controller
    200  *
    201  * @param hcd Host controller device
    202  */
    203 int hc_quiesce(hc_device_t *hcd)
    204 {
    205         hc_t *instance = hcd_to_hc(hcd);
    206 
    207         /* OHCI guide page 42 */
    208         usb_log_debug2("Started hc initialization routine.");
    209 
    210         /* Reset hc */
    211         usb_log_debug2("HC reset.");
    212         size_t time = 0;
    213         OHCI_WR(instance->registers->command_status, CS_HCR);
    214         while (OHCI_RD(instance->registers->command_status) & CS_HCR) {
    215                 fibril_usleep(10);
    216                 time += 10;
    217         }
    218         usb_log_debug2("HC reset complete in %zu us.", time);
    219 
    220         return EOK;
    221 }
    222 
    223198void hc_enqueue_endpoint(hc_t *instance, const endpoint_t *ep)
    224199{
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