Re: [PATCH v6 5/5] mmc: sdhci-msm: Rectify DLL programming sequence for SDCC

kernel test robot
2025-12-17T04:06:55Z

Hi Ram,

kernel test robot noticed the following build warnings:

[auto build test WARNING on linus/master]
[also build test WARNING on krzk-dt/for-next v6.19-rc1]
[cannot apply to robh/for-next krzk/for-next ulf-hansson-mmc-mirror/next next-20251216]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url: https://github.com/intel-lab-lkp/linux/commits/Ram-Prakash-Gupta/dt-bindings-mmc-Add-dll-presets-values-for-HS400-and-HS200-modes/20251215-200814
base: linus/master
patch link: https://lore.kernel.org/r/20251215120009.3877889-6-quic_rampraka%40quicinc.com
patch subject: [PATCH v6 5/5] mmc: sdhci-msm: Rectify DLL programming sequence for SDCC
config: i386-allmodconfig (https://download.01.org/0day-ci/archive/20251217/202512171135.hzSvlDE9-lkp@intel.com/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251217/202512171135.hzSvlDE9-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202512171135.hzSvlDE9-lkp@intel.com/

All warnings (new ones prefixed by >>):

In file included from include/asm-generic/bug.h:31,
from arch/x86/include/asm/bug.h:193,
from arch/x86/include/asm/alternative.h:9,
from arch/x86/include/asm/barrier.h:5,
from include/linux/list.h:11,
from include/linux/module.h:12,
from drivers/mmc/host/sdhci-msm.c:8:
drivers/mmc/host/sdhci-msm.c: In function 'sdhci_msm_configure_dll':
>> include/linux/kern_levels.h:5:25: warning: format '%u' expects argument of type 'unsigned int', but argument 4 has type 'long unsigned int' [-Wformat=]
5 | #define KERN_SOH "\001" /* ASCII Start Of Header */
| ^~~~~~
include/linux/printk.h:484:25: note: in definition of macro 'printk_index_wrap'
484 | _p_func(_fmt, ##__VA_ARGS__); \
| ^~~~
include/linux/printk.h:555:9: note: in expansion of macro 'printk'
555 | printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__)
| ^~~~~~
include/linux/kern_levels.h:11:25: note: in expansion of macro 'KERN_SOH'
11 | #define KERN_ERR KERN_SOH "3" /* error conditions */
| ^~~~~~~~
include/linux/printk.h:555:16: note: in expansion of macro 'KERN_ERR'
555 | printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__)
| ^~~~~~~~
drivers/mmc/host/sdhci-msm.c:930:33: note: in expansion of macro 'pr_err'
930 | pr_err("%s: %s: Non standard clk freq =%u\n",
| ^~~~~~
--
In file included from include/asm-generic/bug.h:31,
from arch/x86/include/asm/bug.h:193,
from arch/x86/include/asm/alternative.h:9,
from arch/x86/include/asm/barrier.h:5,
from include/linux/list.h:11,
from include/linux/module.h:12,
from sdhci-msm.c:8:
sdhci-msm.c: In function 'sdhci_msm_configure_dll':
>> include/linux/kern_levels.h:5:25: warning: format '%u' expects argument of type 'unsigned int', but argument 4 has type 'long unsigned int' [-Wformat=]
5 | #define KERN_SOH "\001" /* ASCII Start Of Header */
| ^~~~~~
include/linux/printk.h:484:25: note: in definition of macro 'printk_index_wrap'
484 | _p_func(_fmt, ##__VA_ARGS__); \
| ^~~~
include/linux/printk.h:555:9: note: in expansion of macro 'printk'
555 | printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__)
| ^~~~~~
include/linux/kern_levels.h:11:25: note: in expansion of macro 'KERN_SOH'
11 | #define KERN_ERR KERN_SOH "3" /* error conditions */
| ^~~~~~~~
include/linux/printk.h:555:16: note: in expansion of macro 'KERN_ERR'
555 | printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__)
| ^~~~~~~~
sdhci-msm.c:930:33: note: in expansion of macro 'pr_err'
930 | pr_err("%s: %s: Non standard clk freq =%u\n",
| ^~~~~~

vim +5 include/linux/kern_levels.h

314ba3520e513a Joe Perches 2012-07-30 4
04d2c8c83d0e3a Joe Perches 2012-07-30 @5 #define KERN_SOH "\001" /* ASCII Start Of Header */
04d2c8c83d0e3a Joe Perches 2012-07-30 6 #define KERN_SOH_ASCII '\001'
04d2c8c83d0e3a Joe Perches 2012-07-30 7

--
0-DAY CI Kernel Test Service