Re: [PATCH v1 3/4] Bluetooth: hci_mrvl: Add serdev support for 88W8997

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

Hi Francesco,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on robh/for-next]
[also build test WARNING on bluetooth-next/master bluetooth/master horms-ipvs/master net/master net-next/master linus/master v6.2-rc4 next-20230118]
[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/Francesco-Dolcini/dt-bindings-bluetooth-marvell-add-88W8997-DT-binding/20230118-210919
base:   https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next
patch link:    https://lore.kernel.org/r/20230118122817.42466-4-francesco%40dolcini.it
patch subject: [PATCH v1 3/4] Bluetooth: hci_mrvl: Add serdev support for 88W8997
config: i386-randconfig-s002 (https://download.01.org/0day-ci/archive/20230119/202301190442.n6v4c2yc-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-8) 11.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.4-39-gce1a6720-dirty
        # https://github.com/intel-lab-lkp/linux/commit/2ae116c8ad209e0bf11559519915e511c44c28be
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Francesco-Dolcini/dt-bindings-bluetooth-marvell-add-88W8997-DT-binding/20230118-210919
        git checkout 2ae116c8ad209e0bf11559519915e511c44c28be
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=i386 olddefconfig
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=i386 SHELL=/bin/bash drivers/bluetooth/

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

All warnings (new ones prefixed by >>):

>> drivers/bluetooth/hci_mrvl.c:450:36: warning: 'mrvl_proto_8997' defined but not used [-Wunused-const-variable=]
     450 | static const struct hci_uart_proto mrvl_proto_8997 = {
         |                                    ^~~~~~~~~~~~~~~


vim +/mrvl_proto_8997 +450 drivers/bluetooth/hci_mrvl.c

   449	
 > 450	static const struct hci_uart_proto mrvl_proto_8997 = {
   451		.id		= HCI_UART_MRVL,
   452		.name		= "Marvell 8997",
   453		.init_speed	= 115200,
   454		.oper_speed	= 3000000,
   455		.open		= mrvl_open,
   456		.close		= mrvl_close,
   457		.flush		= mrvl_flush,
   458		.set_baudrate   = mrvl_set_baudrate,
   459		.recv		= mrvl_recv,
   460		.enqueue	= mrvl_enqueue,
   461		.dequeue	= mrvl_dequeue,
   462	};
   463	

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