On Thu, Feb 04, 2021 at 05:07:16AM +0000, Pawel Laszczak wrote: > Hi Dan, > > >> From: Colin Ian King <colin.king@xxxxxxxxxxxxx> > >> > >> There is a spelling mistake in a literal string. Fix it. > >> > >> Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx> > >> --- > >> drivers/usb/cdns3/cdnsp-ep0.c | 2 +- > >> 1 file changed, 1 insertion(+), 1 deletion(-) > >> > >> diff --git a/drivers/usb/cdns3/cdnsp-ep0.c b/drivers/usb/cdns3/cdnsp-ep0.c > >> index e2b1bcb3f80e..e30931ebc870 100644 > >> --- a/drivers/usb/cdns3/cdnsp-ep0.c > >> +++ b/drivers/usb/cdns3/cdnsp-ep0.c > >> @@ -45,7 +45,7 @@ static int cdnsp_ep0_delegate_req(struct cdnsp_device *pdev, > >> { > >> int ret; > >> > >> - trace_cdnsp_ep0_request("delagete"); > >> + trace_cdnsp_ep0_request("delegate"); > >> > > > >This printk is useless and should just be deleted. Use ftrace instead. > > Maybe this printk is redundant but it's more comfortable in use. > To debug I can simply enable cdns-dev events (echo cdnsp-dev:* > set_event) > and I will get the full picture of what the driver is doing. > > Otherwise, I must remember which function I need to add to set_ftrace_filter. > Of course, by default I can simply add all cdnsp* functions (echo cdnsp* > set_ftrace_filter) but it > increases the trace log and makes it a little more difficult to analyze. > > So maybe in some cases we shouldn't complain for such printk ? > > It's my private opinion and not necessarily correct :) Please don't have duplicate tracepoints for something like "this function is now called", it's redundant. thanks, greg k-h