> > 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: <stable@xxxxxxxxxxxxxxx> > > Signed-off-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx> > > --- > > 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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