Damien George 5ddd1488bd stm32/spi: Allow SPI peripheral state to persist across a soft reset.
The SPI sub-system is independent from the uPy state (eg the heap) and so
can safely persist across a soft reset.  And this is actually necessary for
drivers that rely on SPI and that also need to persist across soft reset
(eg external SPI flash memory).
2018-02-02 19:01:11 +11:00
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