serial.c 2.0 KB

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  1. // SPDX-License-Identifier: GPL-2.0
  2. /*
  3. * Copyright (c) 2018, STMicroelectronics
  4. */
  5. #include <common.h>
  6. #include <serial.h>
  7. #include <dm.h>
  8. #include <dm/test.h>
  9. #include <test/ut.h>
  10. static int dm_test_serial(struct unit_test_state *uts)
  11. {
  12. struct serial_device_info info_serial = {0};
  13. struct udevice *dev_serial;
  14. uint value_serial;
  15. ut_assertok(uclass_get_device_by_name(UCLASS_SERIAL, "serial",
  16. &dev_serial));
  17. ut_assertok(serial_tstc());
  18. /*
  19. * test with default config which is the only one supported by
  20. * sandbox_serial driver
  21. */
  22. ut_assertok(serial_setconfig(dev_serial, SERIAL_DEFAULT_CONFIG));
  23. ut_assertok(serial_getconfig(dev_serial, &value_serial));
  24. ut_assert(value_serial == SERIAL_DEFAULT_CONFIG);
  25. ut_assertok(serial_getinfo(dev_serial, &info_serial));
  26. ut_assert(info_serial.type == SERIAL_CHIP_UNKNOWN);
  27. ut_assert(info_serial.addr == SERIAL_DEFAULT_ADDRESS);
  28. ut_assert(info_serial.clock == SERIAL_DEFAULT_CLOCK);
  29. /*
  30. * test with a parameter which is NULL pointer
  31. */
  32. ut_asserteq(-EINVAL, serial_getconfig(dev_serial, NULL));
  33. ut_asserteq(-EINVAL, serial_getinfo(dev_serial, NULL));
  34. /*
  35. * test with a serial config which is not supported by
  36. * sandbox_serial driver: test with wrong parity
  37. */
  38. ut_asserteq(-ENOTSUPP,
  39. serial_setconfig(dev_serial,
  40. SERIAL_CONFIG(SERIAL_PAR_ODD,
  41. SERIAL_8_BITS,
  42. SERIAL_ONE_STOP)));
  43. /*
  44. * test with a serial config which is not supported by
  45. * sandbox_serial driver: test with wrong bits number
  46. */
  47. ut_asserteq(-ENOTSUPP,
  48. serial_setconfig(dev_serial,
  49. SERIAL_CONFIG(SERIAL_PAR_NONE,
  50. SERIAL_6_BITS,
  51. SERIAL_ONE_STOP)));
  52. /*
  53. * test with a serial config which is not supported by
  54. * sandbox_serial driver: test with wrong stop bits number
  55. */
  56. ut_asserteq(-ENOTSUPP,
  57. serial_setconfig(dev_serial,
  58. SERIAL_CONFIG(SERIAL_PAR_NONE,
  59. SERIAL_8_BITS,
  60. SERIAL_TWO_STOP)));
  61. return 0;
  62. }
  63. DM_TEST(dm_test_serial, DM_TESTF_SCAN_FDT);