On 08/16/2011 13:37, Xin LI wrote:
And I think John's patch is right, I've added a new PCI ID for it though, found from the datasheet. Did you have uart(4) in your kernel (remove my old patch)?
Yes, uart(4) is in kernel and puc(4) is the loaded module. I think this might be a problem that puc(4) is a module loaded later and that's why serial device isn't registered. I found the reference to the similar situation with some other card that got cured when puc(4) was compiled into kernel. (http://www.adras.com/Quadtech-DSC-100-PCI-dual-serial-port-on-8-0R-i386.t6999-79.html)
I have yet to try building puc(4) into kernel, but the way how I have it now is the default in GENERIC. Should uart(4) instead be removed from kernel and made loadable too to prevent such initialization order issue? Or what would be the right fix? Have too much stuff in kernel isn't right too. uart probably isn't used by 99% of users.
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