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8389a7b909
SPI NOR core changes: - introduce 'struct spi_nor_controller_ops', - clean the Register Operations methods, - use dev_dbg insted of dev_err for low level info, - fix retlen handling in sst_write(), - fix silent truncations in spi_nor_read and spi_nor_read_raw(), - fix the clearing of QE bit on lock()/unlock(), - rework the disabling of the block write protection, - rework the Quad Enable methods, - make sure nor->spimem and nor->controller_ops are mutually exclusive, - set default Quad Enable method for ISSI flashes, - add support for few flashes. SPI NOR controller drivers changes: - intel-spi: - support chips without software sequencer, - add support for Intel Cannon Lake and Intel Comet Lake-H flashes.