SPI_MST_CMD_BUF_OFFSET
writel(lower_32_bits(SPI_PERI_ADDR_BASE + SPI_MST_CMD_BUF_OFFSET(p->hw_inst)),
writel(upper_32_bits(SPI_PERI_ADDR_BASE + SPI_MST_CMD_BUF_OFFSET(p->hw_inst)),
memcpy_toio(par->reg_base + SPI_MST_CMD_BUF_OFFSET(p->hw_inst),