1.Use the spi-mem poll status APIs in SPI-NOR to reduce CPU load. 2.Add SFC support for the X1000 SoC, the X1600 SoC, and the X2000 SoC from Ingenic. Liu Jinghui and Aidan MacDonald provided a lot of assistance during the development of this driver. 周琰杰 (Zhou Yanjie) (3): mtd: spi-nor: Use the spi-mem poll status APIs. dt-bindings: SPI: Add Ingenic SFC bindings. SPI: Ingenic: Add SFC support for Ingenic SoCs. .../devicetree/bindings/spi/ingenic,sfc.yaml | 64 ++ drivers/mtd/spi-nor/core.c | 42 +- drivers/spi/Kconfig | 9 + drivers/spi/Makefile | 1 + drivers/spi/spi-ingenic-sfc.c | 662 +++++++++++++++++++++ 5 files changed, 768 insertions(+), 10 deletions(-) create mode 100644 Documentation/devicetree/bindings/spi/ingenic,sfc.yaml create mode 100755 drivers/spi/spi-ingenic-sfc.c -- 2.7.4