u-boot/test/dm/test-main.c
Joe Hershberger b6227d3993 test: dm: Recover the driver model tree after tests
Put the driver model for the system back into a good state after
completing the DM testing.

Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
Acked-by: Simon Glass <sjg@chromium.org>
2015-05-21 09:16:18 -04:00

130 lines
2.9 KiB
C

/*
* Copyright (c) 2013 Google, Inc
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <command.h>
#include <dm.h>
#include <errno.h>
#include <malloc.h>
#include <dm/test.h>
#include <dm/root.h>
#include <dm/uclass-internal.h>
#include <test/ut.h>
DECLARE_GLOBAL_DATA_PTR;
struct unit_test_state global_dm_test_state;
static struct dm_test_state _global_priv_dm_test_state;
/* Get ready for testing */
static int dm_test_init(struct unit_test_state *uts)
{
struct dm_test_state *dms = uts->priv;
memset(dms, '\0', sizeof(*dms));
gd->dm_root = NULL;
memset(dm_testdrv_op_count, '\0', sizeof(dm_testdrv_op_count));
ut_assertok(dm_init());
dms->root = dm_root();
return 0;
}
/* Ensure all the test devices are probed */
static int do_autoprobe(struct unit_test_state *uts)
{
struct udevice *dev;
int ret;
/* Scanning the uclass is enough to probe all the devices */
for (ret = uclass_first_device(UCLASS_TEST, &dev);
dev;
ret = uclass_next_device(&dev))
;
return ret;
}
static int dm_test_destroy(struct unit_test_state *uts)
{
int id;
for (id = 0; id < UCLASS_COUNT; id++) {
struct uclass *uc;
/*
* If the uclass doesn't exist we don't want to create it. So
* check that here before we call uclass_find_device()/
*/
uc = uclass_find(id);
if (!uc)
continue;
ut_assertok(uclass_destroy(uc));
}
return 0;
}
static int dm_test_main(const char *test_name)
{
struct unit_test *tests = ll_entry_start(struct unit_test, dm_test);
const int n_ents = ll_entry_count(struct unit_test, dm_test);
struct unit_test_state *uts = &global_dm_test_state;
uts->priv = &_global_priv_dm_test_state;
struct unit_test *test;
/*
* If we have no device tree, or it only has a root node, then these
* tests clearly aren't going to work...
*/
if (!gd->fdt_blob || fdt_next_node(gd->fdt_blob, 0, NULL) < 0) {
puts("Please run with test device tree:\n"
" ./u-boot -d arch/sandbox/dts/test.dtb\n");
ut_assert(gd->fdt_blob);
}
if (!test_name)
printf("Running %d driver model tests\n", n_ents);
for (test = tests; test < tests + n_ents; test++) {
if (test_name && strcmp(test_name, test->name))
continue;
printf("Test: %s\n", test->name);
ut_assertok(dm_test_init(uts));
uts->start = mallinfo();
if (test->flags & DM_TESTF_SCAN_PDATA)
ut_assertok(dm_scan_platdata(false));
if (test->flags & DM_TESTF_PROBE_TEST)
ut_assertok(do_autoprobe(uts));
if (test->flags & DM_TESTF_SCAN_FDT)
ut_assertok(dm_scan_fdt(gd->fdt_blob, false));
test->func(uts);
ut_assertok(dm_test_destroy(uts));
}
printf("Failures: %d\n", uts->fail_count);
gd->dm_root = NULL;
ut_assertok(dm_init());
dm_scan_platdata(false);
dm_scan_fdt(gd->fdt_blob, false);
return uts->fail_count ? CMD_RET_FAILURE : 0;
}
int do_ut_dm(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
const char *test_name = NULL;
if (argc > 1)
test_name = argv[1];
return dm_test_main(test_name);
}