Re: [PATCH 08/10] dwmmc: disable DMA on the RK3128

[joshua stein]

On Thu, 08 May 2025 at 20:17:11 +0200, Mark Kettenis wrote:
> > From: joshua stein <j...@jcs.org>
> > Date: Wed,  7 May 2025 21:52:28 -0500
> > 
> > Not sure yet why transfers fail but this gets things going
> 
> I wonder if that's because you don't actually switch the bus into
> 4-bit mode?

It is now with the other change removed, but DMA still doesn't work 
and has to be disabled.

Do we need a driver for the DMA controller?

    pdma: dma-controller@20078000 {
        compatible = "arm,pl330", "arm,primecell";
        reg = <0x20078000 0x4000>;
        interrupts = <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>,
                 <GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>;
        arm,pl330-broken-no-flushp;
        arm,pl330-periph-burst;
        clocks = <&cru ACLK_DMAC>;
        clock-names = "apb_pclk";
        #dma-cells = <1>;
    };