Re: [PATCH 3/4] interconnect: qcom: icc-rpmh: Ensure floor BW is enforced for all nodes

[kernel test robot <lkp@intel.com>]

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Hi Mike,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on linus/master]
[also build test WARNING on v5.13-rc7 next-20210625]
[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]

url:    https://github.com/0day-ci/linux/commits/Mike-Tipton/interconnect-Fix-sync-state-issues/20210626-053132
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 55fcd4493da5ac8a0f7a0b3b5ae8448aee2041bb
config: arm64-allyesconfig (attached as .config)
compiler: aarch64-linux-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/0day-ci/linux/commit/ad01b68a345bdae6c24bd45720f4a01a2f9be49b
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Mike-Tipton/interconnect-Fix-sync-state-issues/20210626-053132
        git checkout ad01b68a345bdae6c24bd45720f4a01a2f9be49b
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

   drivers/interconnect/qcom/icc-rpmh.c: In function 'qcom_icc_set':
>> drivers/interconnect/qcom/icc-rpmh.c:87:24: warning: variable 'qn' set but not used [-Wunused-but-set-variable]
      87 |  struct qcom_icc_node *qn;
         |                        ^~


vim +/qn +87 drivers/interconnect/qcom/icc-rpmh.c

976daac4a1c581 David Dai     2020-02-28   76  
976daac4a1c581 David Dai     2020-02-28   77  /**
976daac4a1c581 David Dai     2020-02-28   78   * qcom_icc_set - set the constraints based on path
976daac4a1c581 David Dai     2020-02-28   79   * @src: source node for the path to set constraints on
976daac4a1c581 David Dai     2020-02-28   80   * @dst: destination node for the path to set constraints on
976daac4a1c581 David Dai     2020-02-28   81   *
976daac4a1c581 David Dai     2020-02-28   82   * Return: 0 on success, or an error code otherwise
976daac4a1c581 David Dai     2020-02-28   83   */
976daac4a1c581 David Dai     2020-02-28   84  int qcom_icc_set(struct icc_node *src, struct icc_node *dst)
976daac4a1c581 David Dai     2020-02-28   85  {
976daac4a1c581 David Dai     2020-02-28   86  	struct qcom_icc_provider *qp;
266cd33b591385 Georgi Djakov 2020-10-22  @87  	struct qcom_icc_node *qn;
976daac4a1c581 David Dai     2020-02-28   88  	struct icc_node *node;
976daac4a1c581 David Dai     2020-02-28   89  
976daac4a1c581 David Dai     2020-02-28   90  	if (!src)
976daac4a1c581 David Dai     2020-02-28   91  		node = dst;
976daac4a1c581 David Dai     2020-02-28   92  	else
976daac4a1c581 David Dai     2020-02-28   93  		node = src;
976daac4a1c581 David Dai     2020-02-28   94  
976daac4a1c581 David Dai     2020-02-28   95  	qp = to_qcom_provider(node->provider);
266cd33b591385 Georgi Djakov 2020-10-22   96  	qn = node->data;
266cd33b591385 Georgi Djakov 2020-10-22   97  
976daac4a1c581 David Dai     2020-02-28   98  	qcom_icc_bcm_voter_commit(qp->voter);
976daac4a1c581 David Dai     2020-02-28   99  
976daac4a1c581 David Dai     2020-02-28  100  	return 0;
976daac4a1c581 David Dai     2020-02-28  101  }
976daac4a1c581 David Dai     2020-02-28  102  EXPORT_SYMBOL_GPL(qcom_icc_set);
976daac4a1c581 David Dai     2020-02-28  103  

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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