Short answer: Use pr_debug instead of printk. On 5 Apr 2014 07:06, "HABI S RAVI" <[email protected]> wrote:
> Hi, > I am trying to fix a coding issue . I get the following warning when my > module is checked with checkpatch.pl. > How can i remove the warning. I see a lot of drivers using printk() > function. > > $ perl ~/linux-stable/scripts/checkpatch.pl -f hello.c > WARNING: Prefer netdev_dbg(netdev, ... then dev_dbg(dev, ... then > pr_debug(... to printk(KERN_DEBUG ... > #6: FILE: hello.c:6: > + printk(KERN_DEBUG "Hello World!\n"); > > WARNING: Prefer netdev_dbg(netdev, ... then dev_dbg(dev, ... then > pr_debug(... to printk(KERN_DEBUG ... > #12: FILE: hello.c:12: > + printk(KERN_DEBUG "hello module unloaded\n"); > > > _______________________________________________ > Kernelnewbies mailing list > [email protected] > http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies > >
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