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device: Make dev_WARN/dev_WARN_ONCE print device as well as driver name 

dev_WARN() and dev_WARN_ONCE() are annoying because (1) they include
only the driver name, not the device name, and (2) they print a spurious
newline in the middle.  This results in messages like this that are less
useful than they should be:

  [   40.094995] Device pcieport
  disabling already-disabled device

This patch makes them work more like dev_printk().

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Bjorn Helgaas 2013-10-24 15:42:33 -06:00 committed by Greg Kroah-Hartman
parent d1c1459e45
commit 3eae136717
1 changed files with 5 additions and 6 deletions
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11
include/linux/device.h
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@ -1170,16 +1170,15 @@ do { \
#endif
/*
* dev_WARN*() acts like dev_printk(), but with the key difference
* of using a WARN/WARN_ON to get the message out, including the
* file/line information and a backtrace.
* dev_WARN*() acts like dev_printk(), but with the key difference of
* using WARN/WARN_ONCE to include file/line information and a backtrace.
*/
#define dev_WARN(dev, format, arg...) \
WARN(1, "Device: %s\n" format, dev_driver_string(dev), ## arg);
WARN(1, "%s %s: " format, dev_driver_string(dev), dev_name(dev), ## arg);
#define dev_WARN_ONCE(dev, condition, format, arg...) \
WARN_ONCE(condition, "Device %s\n" format, \
dev_driver_string(dev), ## arg)
WARN_ONCE(condition, "%s %s: " format, \
dev_driver_string(dev), dev_name(dev), ## arg)
/* Create alias, so I can be autoloaded. */
#define MODULE_ALIAS_CHARDEV(major,minor) \