On Sun, 18 Jan 2009, Mauro Carvalho Chehab wrote: > On Sat, 17 Jan 2009 19:09:51 +0100 > Carsten Meier <cm@xxxxxxxxxx> wrote: > > > Am Fri, 16 Jan 2009 02:47:50 -0200 > > schrieb Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxx>: > > > > > For usb devices, usb_make_path() provide a canonical name for the > > > device. For PCI ones, we have pci_name() for the same function. in > > > the case of pci devices, I suspect that all use pci_name(). We just > > > need to use usb_make_path() at the usb ones. > > > > > > > I looked at the sources for what string gets generated for bus_info by > > usb_make_path(). If it gets used by pvrusb2, my problems are solved, > > because it is constant across standby-wake-up-cycles. The pvrusb2's > > implementation currently delivers "usb 7-2 address 6" here. "address > > 6" corresponds to devnum which gets constantly increased, which results > > in always changing strings here. Sorry for my unneccessary complaints. > > Mike, Thierry, Jean-Francois, Laurent and others: > > IMO, we should patch all usb drivers to use usb_make_path(). It will be more > transparent to userspace, if all drivers provide the bus_info using the same > notation. Comments? On the surface this sounds agreeable. As soon as I am done cleaning up after my plumbing near-disaster here, I plan on investigating and making the appropriate change(s) to the pvrusb2 driver for this. -Mike -- Mike Isely isely @ pobox (dot) com PGP: 03 54 43 4D 75 E5 CC 92 71 16 01 E2 B5 F5 C1 E8 -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
