int fuse_override(u32 bank, u32 word, u32 val) { struct udevice *dev; int ret; switch (bank) { case STM32MP_OTP_BANK: ret = uclass_get_device_by_driver(UCLASS_MISC, DM_GET_DRIVER(stm32mp_bsec), &dev); if (ret) return ret; ret = misc_write(dev, word * 4 + STM32_BSEC_SHADOW_OFFSET, &val, 4); break; default: printf("stm32mp %s: wrong value for bank %i\n", __func__, bank); ret = -EINVAL; break; } return ret; }
static int dm_test_misc(struct unit_test_state *uts) { struct udevice *dev; u8 buf[16]; int id; ulong last_ioctl; bool enabled; ut_assertok(uclass_get_device_by_name(UCLASS_MISC, "misc-test", &dev)); /* Read / write tests */ ut_asserteq(4, misc_write(dev, 0, "TEST", 4)); ut_asserteq(5, misc_write(dev, 4, "WRITE", 5)); ut_asserteq(9, misc_read(dev, 0, buf, 9)); ut_assertok(memcmp(buf, "TESTWRITE", 9)); /* Call tests */ id = 0; ut_assertok(misc_call(dev, 0, &id, 4, buf, 16)); ut_assertok(memcmp(buf, "Zero", 4)); id = 2; ut_assertok(misc_call(dev, 0, &id, 4, buf, 16)); ut_assertok(memcmp(buf, "Two", 3)); ut_assertok(misc_call(dev, 1, &id, 4, buf, 16)); ut_assertok(memcmp(buf, "Forty-two", 9)); id = 1; ut_assertok(misc_call(dev, 1, &id, 4, buf, 16)); ut_assertok(memcmp(buf, "Forty-one", 9)); /* IOCTL tests */ ut_assertok(misc_ioctl(dev, 6, NULL)); /* Read back last issued ioctl */ ut_assertok(misc_call(dev, 2, NULL, 0, &last_ioctl, sizeof(last_ioctl))); ut_asserteq(6, last_ioctl) ut_assertok(misc_ioctl(dev, 23, NULL)); /* Read back last issued ioctl */ ut_assertok(misc_call(dev, 2, NULL, 0, &last_ioctl, sizeof(last_ioctl))); ut_asserteq(23, last_ioctl) /* Enable / disable tests */ /* Read back enable/disable status */ ut_assertok(misc_call(dev, 3, NULL, 0, &enabled, sizeof(enabled))); ut_asserteq(true, enabled); ut_assertok(misc_set_enabled(dev, false)); /* Read back enable/disable status */ ut_assertok(misc_call(dev, 3, NULL, 0, &enabled, sizeof(enabled))); ut_asserteq(false, enabled); ut_assertok(misc_set_enabled(dev, true)); /* Read back enable/disable status */ ut_assertok(misc_call(dev, 3, NULL, 0, &enabled, sizeof(enabled))); ut_asserteq(true, enabled); return 0; }