Tim, > So perhaps there is something else going on with the tw8689 > device/driver that is causing it to not work with MSI. We have an > avc8000 miniPCIe with tw8689 here and can test if you send me your > patches that enable tw8689 with msi. I think you can use this: http://git.linuxtv.org/hverkuil/media_tree.git/log/?h=tw686x > Regardless of MSI working in our tests we still disable it because of > it breaking legacy irqs and for performance reasons. So do I. However I'm also using Fedora 23 and this means I have to recompile the kernel, since they build it with MSI enabled. I think we should fix it, either by disabling in run time, or making it work. Performance-wise, I found it "surprising" that one can't have multiple MSIs with separate hw vector for each. -- Krzysztof Halasa Industrial Research Institute for Automation and Measurements PIAP Al. Jerozolimskie 202, 02-486 Warsaw, Poland -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
