> Hello. > Russell King - ARM Linux wrote: >>>>Is there any updated patch on cppi4.1 core also? >>>Is there _any_ cppi4.1 core patch anywhere? Not according to google. >>Russell, >>Here is the latest ersion of cppi4.1 core. >>http://patchwork.kernel.org/patch/46698/ >> [...] >>>If it's a USB DMA device (from the patches I can find, that seems to be >>>the case) then why can't it live in drivers/usb or drivers/dma ? >> >>CPPI4.1 DMA engine can be used either by USB or by Ethernet interface though >>currently only USB is using it but in future even Ethernet devices may use it. > drivers/dma does seem to be the right place for this. > Russell, it makes me wonder why drivers/dma/ seemed the right place to > you, just because of the name? :-) > After spending some time on studying the infrastructure there I came to > conclusion that this is not the right place because all the controllers > supported there have features like memory-to-memory transfers or even RAID > function offloading -- which CPPI 4.1 totally lacks (it's there purely to > serve the peripherals). > Adding drivers/dma/ people to this discussion in hopes they can correct > me (or support me :-)... As this discussion is taking time which is affecting the further development and bug fixes on CPPI4.1. So can we move CPPI4.1 files to drivers/usb/musb for time being and submit a replacement patch whenever we all agree on the location of CPPI4.1 related files. -Ajay > WBR, Sergei > -- -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
