test/dm/test-main.c

   1 /*
   2  * Copyright (c) 2013 Google, Inc
   3  *
   4  * SPDX-License-Identifier:     GPL-2.0+
   5  */
   6
   7 #include <common.h>
   8 #include <dm.h>
   9 #include <errno.h>
  10 #include <dm/test.h>
  11 #include <dm/root.h>
  12 #include <dm/uclass-internal.h>
  13 #include <dm/ut.h>
  14
  15 DECLARE_GLOBAL_DATA_PTR;
  16
  17 struct dm_test_state global_test_state;
  18
  19 /* Get ready for testing */
  20 static int dm_test_init(struct dm_test_state *dms)
  21 {
  22         memset(dms, '\0', sizeof(*dms));
  23         gd->dm_root = NULL;
  24         memset(dm_testdrv_op_count, '\0', sizeof(dm_testdrv_op_count));
  25
  26         ut_assertok(dm_init());
  27         dms->root = dm_root();
  28
  29         return 0;
  30 }
  31
  32 /* Ensure all the test devices are probed */
  33 static int do_autoprobe(struct dm_test_state *dms)
  34 {
  35         struct device *dev;
  36         int ret;
  37
  38         /* Scanning the uclass is enough to probe all the devices */
  39         for (ret = uclass_first_device(UCLASS_TEST, &dev);
  40              dev;
  41              ret = uclass_next_device(&dev))
  42                 ;
  43
  44         return ret;
  45 }
  46
  47 static int dm_test_destroy(struct dm_test_state *dms)
  48 {
  49         int id;
  50
  51         for (id = 0; id < UCLASS_COUNT; id++) {
  52                 struct uclass *uc;
  53
  54                 /*
  55                  * If the uclass doesn't exist we don't want to create it. So
  56                  * check that here before we call uclass_find_device()/
  57                  */
  58                 uc = uclass_find(id);
  59                 if (!uc)
  60                         continue;
  61                 ut_assertok(uclass_destroy(uc));
  62         }
  63
  64         return 0;
  65 }
  66
  67 int dm_test_main(void)
  68 {
  69         struct dm_test *tests = ll_entry_start(struct dm_test, dm_test);
  70         const int n_ents = ll_entry_count(struct dm_test, dm_test);
  71         struct dm_test_state *dms = &global_test_state;
  72         struct dm_test *test;
  73
  74         /*
  75          * If we have no device tree, or it only has a root node, then these
  76          * tests clearly aren't going to work...
  77          */
  78         if (!gd->fdt_blob || fdt_next_node(gd->fdt_blob, 0, NULL) < 0) {
  79                 puts("Please run with test device tree:\n"
  80                      "     dtc -I dts -O dtb test/dm/test.dts  -o test/dm/test.dtb\n"
  81                      "    ./u-boot -d test/dm/test.dtb\n");
  82                 ut_assert(gd->fdt_blob);
  83         }
  84
  85         printf("Running %d driver model tests\n", n_ents);
  86
  87         for (test = tests; test < tests + n_ents; test++) {
  88                 printf("Test: %s\n", test->name);
  89                 ut_assertok(dm_test_init(dms));
  90
  91                 if (test->flags & DM_TESTF_SCAN_PDATA)
  92                         ut_assertok(dm_scan_platdata());
  93                 if (test->flags & DM_TESTF_PROBE_TEST)
  94                         ut_assertok(do_autoprobe(dms));
  95                 if (test->flags & DM_TESTF_SCAN_FDT)
  96                         ut_assertok(dm_scan_fdt(gd->fdt_blob));
  97
  98                 if (test->func(dms))
  99                         break;
 100
 101                 ut_assertok(dm_test_destroy(dms));
 102         }
 103
 104         printf("Failures: %d\n", dms->fail_count);
 105
 106         return 0;
 107 }