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test: Drop mention of old flags in a comment
A comment in test-main.c was not updated with the recent rename. Fix it. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>
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1 changed files with 6 additions and 6 deletions
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@ -294,27 +294,27 @@ static int test_pre_run(struct unit_test_state *uts, struct unit_test *test)
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* Remove any USB keyboard, so that we can add and remove USB devices
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* Remove any USB keyboard, so that we can add and remove USB devices
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* in tests.
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* in tests.
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*
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*
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* For UT_TESTF_DM tests, the old driver model state is saved and
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* For UTF_DM tests, the old driver model state is saved and
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* restored across each test. Within in each test there is therefore a
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* restored across each test. Within in each test there is therefore a
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* new driver model state, which means that any USB keyboard device in
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* new driver model state, which means that any USB keyboard device in
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* stdio points to the old state.
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* stdio points to the old state.
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*
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*
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* This is fine in most cases. But if a non-UT_TESTF_DM test starts up
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* This is fine in most cases. But if a non-UTF_DM test starts up
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* USB (thus creating a stdio record pointing to the USB keyboard
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* USB (thus creating a stdio record pointing to the USB keyboard
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* device) then when the test finishes, the new driver model state is
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* device) then when the test finishes, the new driver model state is
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* freed, meaning that there is now a stale pointer in stdio.
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* freed, meaning that there is now a stale pointer in stdio.
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*
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*
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* This means that any future UT_TESTF_DM test which uses stdin will
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* This means that any future UTF_DM test which uses stdin will
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* cause the console system to call tstc() on the stale device pointer,
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* cause the console system to call tstc() on the stale device pointer,
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* causing a crash.
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* causing a crash.
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*
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*
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* We don't want to fix this by enabling UT_TESTF_DM for all tests as
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* We don't want to fix this by enabling UTF_DM for all tests as
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* this causes other problems. For example, bootflow_efi relies on
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* this causes other problems. For example, bootflow_efi relies on
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* U-Boot going through a proper init - without that we don't have the
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* U-Boot going through a proper init - without that we don't have the
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* TCG measurement working and get an error
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* TCG measurement working and get an error
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* 'tcg2 measurement fails(0x8000000000000007)'. Once we tidy up how EFI
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* 'tcg2 measurement fails(0x8000000000000007)'. Once we tidy up how EFI
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* runs tests (e.g. get rid of all the restarting of U-Boot) we could
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* runs tests (e.g. get rid of all the restarting of U-Boot) we could
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* potentially make the bootstd tests set UT_TESTF_DM, but other tests
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* potentially make the bootstd tests set UTF_DM, but other tests
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* might do the same thing.
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* might do the same thing.
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*
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*
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* We could add a test flag to declare that USB is being used, but that
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* We could add a test flag to declare that USB is being used, but that
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@ -323,7 +323,7 @@ static int test_pre_run(struct unit_test_state *uts, struct unit_test *test)
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* pointers always.
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* pointers always.
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*
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*
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* So just remove any USB keyboards from the console tables. This allows
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* So just remove any USB keyboards from the console tables. This allows
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* UT_TESTF_DM and non-UT_TESTF_DM tests to coexist happily.
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* UTF_DM and non-UTF_DM tests to coexist happily.
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*/
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*/
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usb_kbd_remove_for_test();
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usb_kbd_remove_for_test();
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