On Wed, Jan 06, 2016 at 06:46:37AM +0000, Wang, Annie wrote: > Acpi_dma_xlate mainly converts an acpi_dma structure into a dma_chan > structure. > Without proper request line, wrong acpi_dma structure may be get. > > And as Andy says in http://article.gmane.org/gmane.linux.kernel.iommu/11675 > How about add a hook into acpi_dma_controller_register?
Hmm, you can pass custom data in acpi_dma_controller_register() which will be assigned to adma->data. If you put your request line information there, I think your custom acpi_dma_xlate() should be able to use that information to find proper channel, no? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
