> > If interrupt fires early, the dspi_interrupt() could complete
> > (dspi->xfer_done) before its initialization happens.
> >
> > Fixes: 4f5ee75ea171 ("spi: spi-fsl-dspi: Replace interruptible wait queue
> > with a simple completion")
> > Cc: <sta...@vger.kernel.org>
> > Signed-off-by: Krzysztof Kozlowski <k...@kernel.org>
> > ---
>
> Why would an interrupt fire before spi_register_controller, therefore
> before dspi_transfer_one_message could get called?I don't know this HW, but the generic answer usually is: Bootloader used SPI and didn't clean up properly.
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