spi: spi-mtk-nor: add helper for checking prg mode ops

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op checking/resizing logic for the newly added mtk_nor_spi_mem_prg is
more complicated. Add two helper functions for them:
mtk_nor_match_prg: check whether an op is supported by prg mode.
mtk_nor_adj_prg_size: adjust data size for mtk_nor_spi_mem_prg.

mtk_nor_match_prg isn't called yet because supports_op is currently
broken. It'll be used in the next fix commit.

Signed-off-by: Chuanhong Guo <gch981213@gmail.com>
Link: https://lore.kernel.org/r/20200924152730.733243-3-gch981213@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>

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Chuanhong Guo 2020-09-24 23:27:29 +08:00 • committed by Mark Brown

parent e7edd2cf4c

commit fd80657592

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drivers/spi/spi-mtk-nor.c

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