Re: dma_mask limited to 32-bits with OF platform device
From: Rob Herring <robh+dt@kernel.org>
Date: 2020-02-18 17:22:27
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On Tue, Feb 18, 2020 at 2:28 AM Roger Quadros [off-list ref] wrote:
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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:quoted
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