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由 Pratyush Yadav 提交于
The spi-mem layer provides a spi_mem_supports_op() function to check whether a specific operation is supported by the controller or not. This is much more accurate than the hwcaps selection logic based on SPI_{RX,TX}_ flags. Rework the hwcaps selection logic to use spi_mem_supports_op(). To make sure the build doesn't break for boards not using CONFIG_DM_SPI, add a simple SPI_{RX,TX}_ based hwcaps selection logic in spi-mem-nodm similar to spi_mem_default_supports_op(). This change is only compile-tested. To avoid SPL size problems on the x530 board, the old hwcaps selection is still kept around. Leaving the code in-place was getting difficult to read and understand, so the code is restructured to have it all in one isolated function. As a result of this, the parameter hwcaps to spi_nor_setup() is no longer needed. Remove it. Based on the Linux commit c76f5089796a (mtd: spi-nor: Rework hwcaps selection for the spi-mem case, 2019-08-06) Signed-off-by: NPratyush Yadav <p.yadav@ti.com> Reviewed-by: NJagan Teki <jagan@amarulasolutions.com>
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