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 <log.h>
  7. #include <serial.h>
  8. #include <dm.h>
  9. #include <dm/test.h>
  10. #include <test/test.h>
  11. #include <test/ut.h>
  12. static int dm_test_serial(struct unit_test_state *uts)
  13. {
  14. struct serial_device_info info_serial = {0};
  15. struct udevice *dev_serial;
  16. uint value_serial;
  17. ut_assertok(uclass_get_device_by_name(UCLASS_SERIAL, "serial",
  18. &dev_serial));
  19. ut_assertok(serial_tstc());
  20. /*
  21. * test with default config which is the only one supported by
  22. * sandbox_serial driver
  23. */
  24. ut_assertok(serial_setconfig(dev_serial, SERIAL_DEFAULT_CONFIG));
  25. ut_assertok(serial_getconfig(dev_serial, &value_serial));
  26. ut_assert(value_serial == SERIAL_DEFAULT_CONFIG);
  27. ut_assertok(serial_getinfo(dev_serial, &info_serial));
  28. ut_assert(info_serial.type == SERIAL_CHIP_UNKNOWN);
  29. ut_assert(info_serial.addr == SERIAL_DEFAULT_ADDRESS);
  30. ut_assert(info_serial.clock == SERIAL_DEFAULT_CLOCK);
  31. /*
  32. * test with a parameter which is NULL pointer
  33. */
  34. ut_asserteq(-EINVAL, serial_getconfig(dev_serial, NULL));
  35. ut_asserteq(-EINVAL, serial_getinfo(dev_serial, NULL));
  36. /*
  37. * test with a serial config which is not supported by
  38. * sandbox_serial driver: test with wrong parity
  39. */
  40. ut_asserteq(-ENOTSUPP,
  41. serial_setconfig(dev_serial,
  42. SERIAL_CONFIG(SERIAL_PAR_ODD,
  43. SERIAL_8_BITS,
  44. SERIAL_ONE_STOP)));
  45. /*
  46. * test with a serial config which is not supported by
  47. * sandbox_serial driver: test with wrong bits number
  48. */
  49. ut_asserteq(-ENOTSUPP,
  50. serial_setconfig(dev_serial,
  51. SERIAL_CONFIG(SERIAL_PAR_NONE,
  52. SERIAL_6_BITS,
  53. SERIAL_ONE_STOP)));
  54. /*
  55. * test with a serial config which is not supported by
  56. * sandbox_serial driver: test with wrong stop bits number
  57. */
  58. ut_asserteq(-ENOTSUPP,
  59. serial_setconfig(dev_serial,
  60. SERIAL_CONFIG(SERIAL_PAR_NONE,
  61. SERIAL_8_BITS,
  62. SERIAL_TWO_STOP)));
  63. return 0;
  64. }
  65. DM_TEST(dm_test_serial, UT_TESTF_SCAN_FDT);