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  • uspace/drv/root/root.c

    r9f6c5ef0 r7e752b2  
    11/*
    22 * Copyright (c) 2010 Lenka Trochtova
    3  * Copyright (c) 2010 Vojtech Horky
    43 * All rights reserved.
    54 *
    … …  
    5453#define NAME "root"
    5554
    56 #define PLATFORM_DEVICE_NAME "hw"
    57 #define PLATFORM_DEVICE_MATCH_ID STRING(UARCH)
    58 #define PLATFORM_DEVICE_MATCH_SCORE 100
    59 
    60 #define VIRTUAL_DEVICE_NAME "virt"
    61 #define VIRTUAL_DEVICE_MATCH_ID "rootvirt"
    62 #define VIRTUAL_DEVICE_MATCH_SCORE 100
    63 
    6455static int root_add_device(device_t *dev);
    6556
    … …  
    7566};
    7667
    77 /** Create the device which represents the root of virtual device tree.
    78  *
    79  * @param parent Parent of the newly created device.
    80  * @return Error code.
    81  */
    82 static int add_virtual_root_child(device_t *parent)
    83 {
    84         printf(NAME ": adding new child for virtual devices.\n");
    85         printf(NAME ":   device node is `%s' (%d %s)\n", VIRTUAL_DEVICE_NAME,
    86             VIRTUAL_DEVICE_MATCH_SCORE, VIRTUAL_DEVICE_MATCH_ID);
    87 
    88         int res = child_device_register_wrapper(parent, VIRTUAL_DEVICE_NAME,
    89             VIRTUAL_DEVICE_MATCH_ID, VIRTUAL_DEVICE_MATCH_SCORE,
    90             NULL);
    91 
    92         return res;
    93 }
    94 
    9568/** Create the device which represents the root of HW device tree.
    9669 *
    … …  
    10174{
    10275        printf(NAME ": adding new child for platform device.\n");
    103         printf(NAME ":   device node is `%s' (%d %s)\n", PLATFORM_DEVICE_NAME,
    104             PLATFORM_DEVICE_MATCH_SCORE, PLATFORM_DEVICE_MATCH_ID);
    10576       
    106         int res = child_device_register_wrapper(parent, PLATFORM_DEVICE_NAME,
    107             PLATFORM_DEVICE_MATCH_ID, PLATFORM_DEVICE_MATCH_SCORE,
    108             NULL);
    109 
     77        int res = EOK;
     78        device_t *platform = NULL;
     79        match_id_t *match_id = NULL;
     80       
     81        /* Create new device. */
     82        platform = create_device();
     83        if (NULL == platform) {
     84                res = ENOMEM;
     85                goto failure;
     86        }       
     87       
     88        platform->name = "hw";
     89        printf(NAME ": the new device's name is %s.\n", platform->name);
     90       
     91        /* Initialize match id list. */
     92        match_id = create_match_id();
     93        if (NULL == match_id) {
     94                res = ENOMEM;
     95                goto failure;
     96        }
     97       
     98        /* TODO - replace this with some better solution (sysinfo ?) */
     99        match_id->id = STRING(UARCH);
     100        match_id->score = 100;
     101        add_match_id(&platform->match_ids, match_id);
     102       
     103        /* Register child device. */
     104        res = child_device_register(platform, parent);
     105        if (EOK != res)
     106                goto failure;
     107       
     108        return res;
     109       
     110failure:
     111        if (NULL != match_id)
     112                match_id->id = NULL;
     113       
     114        if (NULL != platform) {
     115                platform->name = NULL;
     116                delete_device(platform);
     117        }
     118       
    110119        return res;
    111120}
    … …  
    121130            dev->handle);
    122131       
    123         /*
    124          * Register virtual devices root.
    125          * We ignore error occurrence because virtual devices shall not be
    126          * vital for the system.
    127          */
    128         add_virtual_root_child(dev);
    129 
    130132        /* Register root device's children. */
    131133        int res = add_platform_child(dev);
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