test: regmap: add regmap_read_poll_timeout test

Add test to regmap_read_poll_timeout() helper to check the timeout works
properly but cannot test proper condition matching since read/write calls
are not executed in sandbox.

Tested-by: Jerome Brunet <jbrunet@baylibre.com>
Acked-by: Jagan Teki <jagan@openedev.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
This commit is contained in:
Neil Armstrong 2018-11-22 11:01:04 +01:00 committed by Jagan Teki
parent d13801ef1d
commit ebe3497c9c

View File

@ -144,3 +144,29 @@ static int dm_test_regmap_getset(struct unit_test_state *uts)
}
DM_TEST(dm_test_regmap_getset, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
/* Read polling test */
static int dm_test_regmap_poll(struct unit_test_state *uts)
{
struct udevice *dev;
struct regmap *map;
uint reg;
unsigned long start;
ut_assertok(uclass_get_device(UCLASS_SYSCON, 0, &dev));
map = syscon_get_regmap(dev);
ut_assertok_ptr(map);
start = get_timer(0);
ut_asserteq(-ETIMEDOUT,
regmap_read_poll_timeout(map, 0, reg,
(reg == 0xcacafafa),
1, 5 * CONFIG_SYS_HZ));
ut_assert(get_timer(start) > (5 * CONFIG_SYS_HZ));
return 0;
}
DM_TEST(dm_test_regmap_poll, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);