Hi Bjorn, On Saturday 21 October 2017 04:39 AM, Bjorn Helgaas wrote: > On Thu, Oct 19, 2017 at 06:13:29PM +0530, Faiz Abbas wrote: >> Enable support for printing the LTSSM link state for debugging PCI >> when link is down. >> >> Signed-off-by: Faiz Abbas <faiz_abbas@xxxxxx> >> --- >> v2: >> 1. Changed dev_err() to dev_dbg() >> 2. Changed static char array to static const char * const >> 3. format changes > > I'm not really sure how much debug help we want to carry around in the > mainline kernel. End users aren't going to use this; it seems like > more of a lab tool, and in situations like that you usually end up > carrying around some out-of-tree patches for a while anyway. But I > can probably be convinced either way. > It'll be easier to support customers if they can tell us what the state of the link is by just changing the log level. We won't have to send a debug patch to the customer to find that out. Thanks, Faiz