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SubjectRe: dma_mask limited to 32-bits with OF platform device
On Tue, Feb 18, 2020 at 2:28 AM Roger Quadros <rogerq@ti.com> wrote:
>
> Chrishtoph,
>
> The branch works fine for SATA on DRA7 with CONFIG_LPAE once I
> have the below DT fix.
>
> Do you intend to send these fixes to -stable?
>
> ------------------------- arch/arm/boot/dts/dra7.dtsi -------------------------
> index d78b684e7fca..853ecf3cfb37 100644
> @@ -645,6 +645,8 @@
> sata: sata@4a141100 {
> compatible = "snps,dwc-ahci";
> reg = <0x4a140000 0x1100>, <0x4a141100 0x7>;
> + #size-cells = <2>;
> + dma-ranges = <0x00000000 0x00000000 0x1 0x00000000>;

dma-ranges should be in the parent (bus) node, not the device node.

> interrupts = <GIC_SPI 49 IRQ_TYPE_LEVEL_HIGH>;
> phys = <&sata_phy>;
> phy-names = "sata-phy";
>
>
> cheers,
> -roger
>
> On 17/02/2020 15:21, Christoph Hellwig wrote:
> > Roger,
> >
> > can you try the branch below and check if that helps?
> >
> > git://git.infradead.org/users/hch/misc.git arm-dma-bus-limit
> >
> > Gitweb:
> >
> > http://git.infradead.org/users/hch/misc.git/shortlog/refs/heads/arm-dma-bus-limit
> >
>
> --
> Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki.
> Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki

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