linux-kernel - [asahilinux:bluetooth-wip 8/8] drivers/bluetooth/hci_bcm43xx.c:1088:23: warning: unused variable 'bcm43xx'

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Date:   Mon, 11 Jul 2022 16:57:39 +0800
From:   kernel test robot <lkp@...el.com>
To:     Sven Peter <sven@...npeter.dev>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org
Subject: [asahilinux:bluetooth-wip 8/8]
 drivers/bluetooth/hci_bcm43xx.c:1088:23: warning: unused variable 'bcm43xx'

tree:   https://github.com/AsahiLinux/linux bluetooth-wip
head:   988727c92ef6a0ae2c476c6f06676b63665c6059
commit: 988727c92ef6a0ae2c476c6f06676b63665c6059 [8/8] Bluetooth: hci_bcm43xx: Add new driver for BCM43XX PCI boards
config: i386-allyesconfig (https://download.01.org/0day-ci/archive/20220711/202207111654.rRuKu0Ms-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 6ce63e267aab79ca87bf63453d34dd3909ab978d)
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/AsahiLinux/linux/commit/988727c92ef6a0ae2c476c6f06676b63665c6059
        git remote add asahilinux https://github.com/AsahiLinux/linux
        git fetch --no-tags asahilinux bluetooth-wip
        git checkout 988727c92ef6a0ae2c476c6f06676b63665c6059
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/bluetooth/ drivers/hid/ drivers/md/ drivers/net/ethernet/mellanox/mlx5/core/ drivers/vfio/pci/mlx5/

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@...el.com>

All warnings (new ones prefixed by >>):

>> drivers/bluetooth/hci_bcm43xx.c:1088:23: warning: unused variable 'bcm43xx' [-Wunused-variable]
           struct bcm43xx_data *bcm43xx = hci_get_drvdata(hdev);
                                ^
   drivers/bluetooth/hci_bcm43xx.c:1280:8: error: incompatible pointer types passing '__le64 *' (aka 'unsigned long long *') to parameter of type 'dma_addr_t *' (aka 'unsigned int *') [-Werror,-Wincompatible-pointer-types]
                               &bcm43xx->ctx->per_info_addr, GFP_KERNEL);
                               ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/dma-mapping.h:550:15: note: passing argument to parameter 'dma_handle' here
                   dma_addr_t *dma_handle, gfp_t gfp)
                               ^
   1 warning and 1 error generated.


vim +/bcm43xx +1088 drivers/bluetooth/hci_bcm43xx.c

  1085	
  1086	static int bcm43xx_hci_close(struct hci_dev *hdev)
  1087	{
> 1088		struct bcm43xx_data *bcm43xx = hci_get_drvdata(hdev);
  1089	

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp