On Tue, Oct 23, 2018 at 08:36:17AM +0000, Clark Wang wrote: > Add dmas and dma-names for ecspi1~4 to fix kernel boot error: > "spi_imx 30840000.ecspi: dma setup error -19, use pio". Actually this should not be an error and the message is supposed to say: Unable to setup DMA, falling back to PIO So IMHO this should be downgraded from dev_err to dev_info and reworded. Maybe even try DMA-setup on devices where it is known to fail and don't emit a message on -ENODEV at all. Best regards Uwe -- Pengutronix e.K. | Uwe Kleine-König | Industrial Linux Solutions | http://www.pengutronix.de/ |