linux-kernel - Re: [PATCH v3] bus: mhi: host: don't free bhie tables during suspend/hibernation

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Message-ID: <202505010037.1PMLamw8-lkp@intel.com>
Date: Thu, 1 May 2025 00:45:24 +0800
From: kernel test robot <lkp@...el.com>
To: Muhammad Usama Anjum <usama.anjum@...labora.com>,
	Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
	Jeff Johnson <jjohnson@...nel.org>,
	Jeff Hugo <jeff.hugo@....qualcomm.com>,
	Youssef Samir <quic_yabdulra@...cinc.com>,
	Matthew Leung <quic_mattleun@...cinc.com>,
	Yan Zhen <yanzhen@...o.com>, Kunwu Chan <chentao@...inos.cn>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	"Dr. David Alan Gilbert" <linux@...blig.org>,
	Troy Hanson <quic_thanson@...cinc.com>
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
	kernel@...labora.com, Carl Vanderlip <quic_carlv@...cinc.com>,
	Sumit Garg <sumit.garg@...nel.org>, mhi@...ts.linux.dev,
	linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-wireless@...r.kernel.org, ath11k@...ts.infradead.org,
	ath12k@...ts.infradead.org
Subject: Re: [PATCH v3] bus: mhi: host: don't free bhie tables during
 suspend/hibernation

Hi Muhammad,

kernel test robot noticed the following build warnings:

[auto build test WARNING on ath/ath-next]
[also build test WARNING on next-20250430]
[cannot apply to mani-mhi/mhi-next char-misc/char-misc-testing char-misc/char-misc-next char-misc/char-misc-linus staging/staging-testing staging/staging-next staging/staging-linus usb/usb-testing usb/usb-next usb/usb-linus linus/master v6.15-rc4]
[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/Muhammad-Usama-Anjum/bus-mhi-host-don-t-free-bhie-tables-during-suspend-hibernation/20250429-202649
base:   https://git.kernel.org/pub/scm/linux/kernel/git/ath/ath.git ath-next
patch link:    https://lore.kernel.org/r/20250429122351.108684-1-usama.anjum%40collabora.com
patch subject: [PATCH v3] bus: mhi: host: don't free bhie tables during suspend/hibernation
config: arm64-randconfig-002-20250430 (https://download.01.org/0day-ci/archive/20250501/202505010037.1PMLamw8-lkp@intel.com/config)
compiler: clang version 21.0.0git (https://github.com/llvm/llvm-project f819f46284f2a79790038e1f6649172789734ae8)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250501/202505010037.1PMLamw8-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202505010037.1PMLamw8-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/bus/mhi/host/pm.c:1246:6: warning: no previous prototype for function 'mhi_power_down_unprepare_keep_dev' [-Wmissing-prototypes]
    1246 | void mhi_power_down_unprepare_keep_dev(struct mhi_controller *mhi_cntrl)
         |      ^
   drivers/bus/mhi/host/pm.c:1246:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
    1246 | void mhi_power_down_unprepare_keep_dev(struct mhi_controller *mhi_cntrl)
         | ^
         | static 
   1 warning generated.


vim +/mhi_power_down_unprepare_keep_dev +1246 drivers/bus/mhi/host/pm.c

  1245	
> 1246	void mhi_power_down_unprepare_keep_dev(struct mhi_controller *mhi_cntrl)
  1247	{
  1248		mhi_cntrl->bhi = NULL;
  1249		mhi_cntrl->bhie = NULL;
  1250	
  1251		mhi_deinit_dev_ctxt(mhi_cntrl);
  1252	}
  1253	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki