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drivers: base: print rejected matches with DEBUG_DRIVER

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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>
This commit is contained in:
Wolfram Sang 2011-09-20 19:41:17 +02:00 committed by Greg Kroah-Hartman
parent 54f23eb7ba
commit bcbe4f94d1
1 changed files with 3 additions and 0 deletions
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3
drivers/base/dd.c
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@ -147,6 +147,9 @@ probe_failed:
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