Messages in this thread | | | From | Andi Kleen <> | Subject | Re: [linux-usb-devel] [RFC][PATCH 0/2] x86_64 Early usb debug port support. | Date | Wed, 6 Dec 2006 22:24:33 +0100 |
| |
\ > - Host, to which that console connects (through the debug device); > runs usb_debug, much like any other usb-serial device
My understanding was that the client could run in user space only on top of libusb.
> > It's analagous to debugging an embedded box using a serial console > with a Linux host ... except the target here is a PC, not an ARM > (or PPC, MIPS, etc) custom board. > > > Once the coexistence issues between the debug port and normal EHCI > driver get worked, there's no reason not to keep using that debug > port as a system console.
One reason is the one I covered in my last mail -- locking of the PCI type 1 ports.
However I suppose it would be ok to switch Eric's code between early pci access and locked one once the PCI subsystem is up and running. Just don't forget bust_spinlocks()
-Andi - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |