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STM32 TRNG: update init to match all configs #14722

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merged 2 commits into from
Jun 4, 2021

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jeromecoutant
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Summary of changes

After more tests and discussions with experts, patch done in #14687 is removed,
and replaced by a better init procedure that matches all cases and chips.

@JeanMarcR

Impact of changes

Migration actions required

Documentation


Pull request type

[x] Patch update (Bug fix / Target update / Docs update / Test update / Refactor)
[] Feature update (New feature / Functionality change / New API)
[] Major update (Breaking change E.g. Return code change / API behaviour change)

Test results

[] No Tests required for this change (E.g docs only update)
[x] Covered by existing mbed-os tests (Greentea or Unittest)
[] Tests / results supplied as part of this PR

Reviewers


@ciarmcom ciarmcom added the release-type: patch Indentifies a PR as containing just a patch label Jun 2, 2021
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ciarmcom commented Jun 2, 2021

@jeromecoutant, thank you for your changes.
@ARMmbed/mbed-os-maintainers please review.

0xc0170
0xc0170 previously requested changes Jun 2, 2021
if (HAL_RNG_GenerateRandomNumber(&obj->handle, &dummy) != HAL_OK) {
printf("trng_init: HAL_RNG_GenerateRandomNumber error 0x%x\n", obj->handle.ErrorCode); // should not occur
while (HAL_RNG_GenerateRandomNumber(&obj->handle, &dummy) != HAL_OK) {
// printf("trng_init: HAL_RNG_GenerateRandomNumber error 0x%x\n", obj->handle.ErrorCode);
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Either remove or propagate the error

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The comment should be updated as the while changes it a bit - we are waiting until we get a number

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@0xc0170 done

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0xc0170 commented Jun 2, 2021

CI started

@mergify mergify bot added needs: CI and removed needs: work labels Jun 2, 2021
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mbed-ci commented Jun 2, 2021

Jenkins CI Test : ✔️ SUCCESS

Build Number: 1 | 🔒 Jenkins CI Job | 🌐 Logs & Artifacts

CLICK for Detailed Summary

jobs Status
jenkins-ci/mbed-os-ci_unittests ✔️
jenkins-ci/mbed-os-ci_build-cloud-example-ARM ✔️
jenkins-ci/mbed-os-ci_cmake-cloud-example-ARM ✔️
jenkins-ci/mbed-os-ci_cmake-cloud-example-GCC_ARM ✔️
jenkins-ci/mbed-os-ci_build-cloud-example-GCC_ARM ✔️
jenkins-ci/mbed-os-ci_cmake-example-ARM ✔️
jenkins-ci/mbed-os-ci_build-greentea-ARM ✔️
jenkins-ci/mbed-os-ci_cmake-example-GCC_ARM ✔️
jenkins-ci/mbed-os-ci_build-example-ARM ✔️
jenkins-ci/mbed-os-ci_build-greentea-GCC_ARM ✔️
jenkins-ci/mbed-os-ci_build-example-GCC_ARM ✔️
jenkins-ci/mbed-os-ci_greentea-test ✔️

@adbridge adbridge merged commit 986add7 into ARMmbed:master Jun 4, 2021
@jeromecoutant jeromecoutant deleted the PR_RNG branch June 4, 2021 11:17
@mbedmain mbedmain added release-version: 6.12.0 Release-pending and removed release-type: patch Indentifies a PR as containing just a patch Release-pending labels Jun 18, 2021
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6 participants