AlexanderVasiljev opened a new pull request #3618: URL: https://github.com/apache/incubator-nuttx/pull/3618
## Summary This commit will correct error in the stm32H7 serial dma transmition. txdmasem semaphore is posted every time in up_dma_txcallback. But it is waited occasionally in up_dma_txavailable. So its value is always positive and it never falls asleep. This commit will use semaphore as resource holder -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: [email protected]
