struct spi_master *master;//设备所连接的 spi 主机设备 u32 max_speed_hz;//该设备最大传输...
timeout) { 1429 dev_err(&master->dev, "I/O Error in DMA RX\n"); 1430 spi_imx->devtype_data->reset(spi_imx); 1431 dmaengine_terminate_all(master->dma_rx); 1432 return -ETIMEDOUT; 1433 } 1434 1435 return transfer->len; 1436/* fallback to pio */ 1437dma_failure_no_start: ...
done Speed: 1000, full duplex BOOTP broadcast 1 DHCP client bound to address 192.168.1.10 (108 ms) *** Warning: no boot file name; using 'C0A8010A.img' Using ethernet@fe300000 device TFTP from server 0.0.0.0; our IP address is 192.168.1.10; sending through gateway 192.168.1.1 Filename...
u32 max_speed_hz; //用于初始化spi_device.max_speed_hz;基于芯片数据表和主板特定信号质量问题的限...