Changeset 8d40181 in mainline for uspace/drv/bus/usb/ehci/res.c
- Timestamp:
- 2013-09-21T03:25:31Z (11 years ago)
- Branches:
- lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export
- Children:
- ea69749f
- Parents:
- c898236
- File:
-
- 1 edited
Legend:
- Unmodified
- Added
- Removed
-
uspace/drv/bus/usb/ehci/res.c
rc898236 r8d40181 66 66 #define DEFAULT_WAIT 1000 67 67 #define WAIT_STEP 10 68 69 70 /** Get address of registers and IRQ for given device.71 *72 * @param[in] dev Device asking for the addresses.73 * @param[out] mem_regs_p Pointer to the register range.74 * @param[out] irq_no IRQ assigned to the device.75 * @return Error code.76 */77 int get_my_registers(ddf_dev_t *dev,78 addr_range_t *mem_regs_p, int *irq_no)79 {80 assert(dev);81 82 async_sess_t *parent_sess = devman_parent_device_connect(83 EXCHANGE_SERIALIZE, ddf_dev_get_handle(dev), IPC_FLAG_BLOCKING);84 if (!parent_sess)85 return ENOMEM;86 87 hw_res_list_parsed_t hw_res;88 hw_res_list_parsed_init(&hw_res);89 const int ret = hw_res_get_list_parsed(parent_sess, &hw_res, 0);90 async_hangup(parent_sess);91 if (ret != EOK) {92 return ret;93 }94 95 if (hw_res.irqs.count != 1 || hw_res.mem_ranges.count != 1) {96 hw_res_list_parsed_clean(&hw_res);97 return ENOENT;98 }99 100 if (mem_regs_p)101 *mem_regs_p = hw_res.mem_ranges.ranges[0];102 if (irq_no)103 *irq_no = hw_res.irqs.irqs[0];104 105 hw_res_list_parsed_clean(&hw_res);106 return EOK;107 }108 68 109 69 /** Implements BIOS hands-off routine as described in EHCI spec
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