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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/Pengpeng-Hou/async_tx-use-the-channel-switch-Kconfig-symbol/20260814-155403 base: linus/master patch link: https://lore.kernel.org/r/20260814075403.13950-1-pengpeng%40iscas.ac.cn patch subject: [PATCH v2] async_tx: use the channel-switch Kconfig symbol :::::: branch date: 15 hours ago :::::: commit date: 15 hours ago config: sparc64-randconfig-r053-20260823 (https://download.01.org/0day-ci/archive/20260823/202608230650.oZ4LyTZ0-lkp@intel.com/config) compiler: clang version 24.0.0git (https://github.com/llvm/llvm-project 935bfc708590c60147a79c7df145bb6e68b1d388) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260823/202608230650.oZ4LyTZ0-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 | Closes: https://lore.kernel.org/r/202608230650.oZ4LyTZ0-lkp@intel.com/ All warnings (new ones prefixed by >>): >> crypto/async_tx/async_tx.c:43:1: warning: no previous prototype for function '__async_tx_find_channel' [-Wmissing-prototypes] 43 | __async_tx_find_channel(struct async_submit_ctl *submit, | ^ crypto/async_tx/async_tx.c:42:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 42 | struct dma_chan * | ^ | static 1 warning generated. vim +/__async_tx_find_channel +43 crypto/async_tx/async_tx.c af1f951eb6ef27b Dan Williams 2009-08-29 35 9bc89cd82d6f88f Dan Williams 2007-01-02 36 /** 47437b2c9a64315 Dan Williams 2008-02-02 37 * __async_tx_find_channel - find a channel to carry out the operation or let 9bc89cd82d6f88f Dan Williams 2007-01-02 38 * the transaction execute synchronously a08abd8ca890a37 Dan Williams 2009-06-03 39 * @submit: transaction dependency and submission modifiers 9bc89cd82d6f88f Dan Williams 2007-01-02 40 * @tx_type: transaction type 9bc89cd82d6f88f Dan Williams 2007-01-02 41 */ 9bc89cd82d6f88f Dan Williams 2007-01-02 42 struct dma_chan * a08abd8ca890a37 Dan Williams 2009-06-03 @43 __async_tx_find_channel(struct async_submit_ctl *submit, 9bc89cd82d6f88f Dan Williams 2007-01-02 44 enum dma_transaction_type tx_type) 9bc89cd82d6f88f Dan Williams 2007-01-02 45 { a08abd8ca890a37 Dan Williams 2009-06-03 46 struct dma_async_tx_descriptor *depend_tx = submit->depend_tx; a08abd8ca890a37 Dan Williams 2009-06-03 47 9bc89cd82d6f88f Dan Williams 2007-01-02 48 /* see if we can keep the chain on one channel */ 9bc89cd82d6f88f Dan Williams 2007-01-02 49 if (depend_tx && 9bc89cd82d6f88f Dan Williams 2007-01-02 50 dma_has_cap(tx_type, depend_tx->chan->device->cap_mask)) 9bc89cd82d6f88f Dan Williams 2007-01-02 51 return depend_tx->chan; 729b5d1b8ec72c2 Dan Williams 2009-03-25 52 return async_dma_find_channel(tx_type); 9bc89cd82d6f88f Dan Williams 2007-01-02 53 } 47437b2c9a64315 Dan Williams 2008-02-02 54 EXPORT_SYMBOL_GPL(__async_tx_find_channel); 9bc89cd82d6f88f Dan Williams 2007-01-02 55 #endif 9bc89cd82d6f88f Dan Williams 2007-01-02 56 19242d7233df7d6 Dan Williams 2008-04-17 57 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki