Hi Leandro,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on net/master]

url:    
https://github.com/0day-ci/linux/commits/Leandro-Dorileo/net-sched-taprio-cbs-Fix-using-invalid-link-speed/20190315-092958
config: mips-allyesconfig (attached as .config)
compiler: mips-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0
reproduce:
        wget 
https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O 
~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        GCC_VERSION=7.2.0 make.cross ARCH=mips 

All warnings (new ones prefixed by >>):

   In file included from include/linux/printk.h:7:0,
                    from include/linux/kernel.h:14,
                    from include/asm-generic/bug.h:18,
                    from arch/mips/include/asm/bug.h:42,
                    from include/linux/bug.h:5,
                    from include/linux/mmdebug.h:5,
                    from include/linux/gfp.h:5,
                    from include/linux/slab.h:15,
                    from net/sched/sch_taprio.c:10:
   net/sched/sch_taprio.c: In function 'taprio_set_picos_per_byte':
>> include/linux/kern_levels.h:5:18: warning: format '%lu' expects argument of 
>> type 'long unsigned int', but argument 3 has type 'long long int' [-Wformat=]
    #define KERN_SOH "\001"  /* ASCII Start Of Header */
                     ^
   include/linux/kern_levels.h:14:19: note: in expansion of macro 'KERN_SOH'
    #define KERN_INFO KERN_SOH "6" /* informational */
                      ^~~~~~~~
   include/linux/printk.h:310:9: note: in expansion of macro 'KERN_INFO'
     printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
            ^~~~~~~~~
   net/sched/sch_taprio.c:600:2: note: in expansion of macro 'pr_info'
     pr_info("taprio: set %s's picos_per_byte to: %lu, linkspeed: %d\n",
     ^~~~~~~
   net/sched/sch_taprio.c:600:49: note: format string is defined here
     pr_info("taprio: set %s's picos_per_byte to: %lu, linkspeed: %d\n",
                                                  ~~^
                                                  %llu
--
   In file included from include/linux/printk.h:7:0,
                    from include/linux/kernel.h:14,
                    from include/asm-generic/bug.h:18,
                    from arch/mips/include/asm/bug.h:42,
                    from include/linux/bug.h:5,
                    from include/linux/mmdebug.h:5,
                    from include/linux/gfp.h:5,
                    from include/linux/slab.h:15,
                    from net//sched/sch_taprio.c:10:
   net//sched/sch_taprio.c: In function 'taprio_set_picos_per_byte':
>> include/linux/kern_levels.h:5:18: warning: format '%lu' expects argument of 
>> type 'long unsigned int', but argument 3 has type 'long long int' [-Wformat=]
    #define KERN_SOH "\001"  /* ASCII Start Of Header */
                     ^
   include/linux/kern_levels.h:14:19: note: in expansion of macro 'KERN_SOH'
    #define KERN_INFO KERN_SOH "6" /* informational */
                      ^~~~~~~~
   include/linux/printk.h:310:9: note: in expansion of macro 'KERN_INFO'
     printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
            ^~~~~~~~~
   net//sched/sch_taprio.c:600:2: note: in expansion of macro 'pr_info'
     pr_info("taprio: set %s's picos_per_byte to: %lu, linkspeed: %d\n",
     ^~~~~~~
   net//sched/sch_taprio.c:600:49: note: format string is defined here
     pr_info("taprio: set %s's picos_per_byte to: %lu, linkspeed: %d\n",
                                                  ~~^
                                                  %llu

vim +5 include/linux/kern_levels.h

314ba352 Joe Perches 2012-07-30  4  
04d2c8c8 Joe Perches 2012-07-30 @5  #define KERN_SOH    "\001"          /* 
ASCII Start Of Header */
04d2c8c8 Joe Perches 2012-07-30  6  #define KERN_SOH_ASCII      '\001'
04d2c8c8 Joe Perches 2012-07-30  7  

:::::: The code at line 5 was first introduced by commit
:::::: 04d2c8c83d0e3ac5f78aeede51babb3236200112 printk: convert the format for 
KERN_<LEVEL> to a 2 byte pattern

:::::: TO: Joe Perches <j...@perches.com>
:::::: CC: Linus Torvalds <torva...@linux-foundation.org>

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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