Flush the dcd data on reset #1953
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hathach
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Mar 14, 2023
fengjixuchui
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Mar 14, 2023
Merge pull request hathach#1953 from tannewt/fix_cached_imx_reset
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On iMX RT TinyUSB didn't work with the USB buffers behind dcache. (This happens if the RAM region is marked shareable in the MPU.)
This adds a cache flush on reset so that the reset of the shared data structures is seen by the peripheral. Otherwise, it gets confused.