288 op->dummy.nbytes * 8 / op->dummy.buswidth); 289 290 if (op->data.nbytes > 0) 291 val |= TRAN_CONF_DATA_EN; 292 293 writel(val, sfc->base + SFC_REG_TRAN_CONF(0)); 294 writel(op->data.nbytes, sfc->base + SFC_REG_TRAN_LEN); 295 296 Sent from my iPhone > On Jul 23, 2022, at 9:27 PM, Zhou Yanjie <zhouyanjie@xxxxxxxxxxxxxx> wrote: > > Hi Tomasz, > >> On 2022/7/23 下午10:47, Tomasz Maciej Nowak wrote: >> W dniu 22.07.2022 o 18:48, 周琰杰 (Zhou Yanjie) pisze: >>> 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 >>> >> Even tough it's still early in revision process, I'll add my >> Tested-by: Tomasz Maciej Nowak <tmn505@xxxxxxxxx> >> >> The test was performed with Damai DM6291A SoC which is a Ingenic X1000 IP >> but with 256 MiB RAM. No bugs yet observed on my side. > > > Thanks for you test! > > >> > > ______________________________________________________ > Linux MTD discussion mailing list > http://lists.infradead.org/mailman/listinfo/linux-mtd/