Commit bcbe4f94 authored Sep 20, 2011 by Wolfram Sang Committed by Greg Kroah-Hartman Sep 26, 2011

drivers: base: print rejected matches with DEBUG_DRIVER



When DEBUG_DRIVER is activated, be verbose and explicitly state when a
device<->driver match was rejected by the probe-function of the driver.
Now all code-paths report what is currently happening which helps
debugging, because you don't have to remember that no printout means
the match is rejected (and then you still don't know if it was because
of ENODEV or ENXIO).

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

parent 54f23eb7

drivers/base/dd.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -147,6 +147,9 @@ static int really_probe(struct device dev, struct device_driver drv)
		printk(KERN_WARNING
		"%s: probe of %s failed with error %d\n",
		drv->name, dev_name(dev), ret);
		} else {
		pr_debug("%s: probe of %s rejects match %d\n",
		drv->name, dev_name(dev), ret);
		}
		/*
		* Ignore errors returned by ->probe so that the next driver can try