[RESEND PATCH v2 6/6] dmaengine: axi-dmac: add support for reading bus attributes from registers

2020-08-25 Thread Alexandru Ardelean
Starting with core version 4.3.a the DMA bus attributes can (and should) be read from the INTERFACE_DESCRIPTION (0x10) register. For older core versions, this will still need to be provided from the device-tree. The bus-type values are identical to the ones stored in the device-trees, so we just

[PATCH v2 6/6] dmaengine: axi-dmac: add support for reading bus attributes from registers

2020-08-25 Thread Alexandru Ardelean
Starting with core version 4.3.a the DMA bus attributes can (and should) be read from the INTERFACE_DESCRIPTION (0x10) register. For older core versions, this will still need to be provided from the device-tree. The bus-type values are identical to the ones stored in the device-trees, so we just

[PATCH v2 6/6] dmaengine: axi-dmac: add support for reading bus attributes from registers

2020-08-25 Thread Alexandru Ardelean
Starting with core version 4.3.a the DMA bus attributes can (and should) be read from the INTERFACE_DESCRIPTION (0x10) register. For older core versions, this will still need to be provided from the device-tree. The bus-type values are identical to the ones stored in the device-trees, so we just