Re: [PATCH 10/11] tty: Add NVIDIA LSTP UART driver

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

Hi Adrian,

kernel test robot noticed the following build errors:

[auto build test ERROR on bbf6b99a57b2479bf51c3c8ad0946f4b8c33ed69]

url:    https://github.com/intel-lab-lkp/linux/commits/Adrian-Ambrozewicz/dt-bindings-gpio-Add-NVIDIA-LSTP-GPIO/20261012-203559
base:   bbf6b99a57b2479bf51c3c8ad0946f4b8c33ed69
patch link:    https://lore.kernel.org/r/20261012-lstp-usb-adapter-v1-10-aambrozewicz%40nvidia.com
patch subject: [PATCH 10/11] tty: Add NVIDIA LSTP UART driver
config: sparc64-allmodconfig (https://download.01.org/0day-ci/archive/20261015/202610150927.WhzTb6WS-lkp@intel.com/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261015/202610150927.WhzTb6WS-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202610150927.WhzTb6WS-lkp@intel.com/

All errors (new ones prefixed by >>):

>> drivers/tty/lstp_tty.c:167:60: error: use of undeclared identifier 'B2500000'
     167 |                 { 1500000, B1500000 }, { 2000000, B2000000 }, { 2500000, B2500000 },
         |                                                                          ^
>> drivers/tty/lstp_tty.c:168:14: error: use of undeclared identifier 'B3000000'
     168 |                 { 3000000, B3000000 }, { 3500000, B3500000 }, { 4000000, B4000000 },
         |                            ^
>> drivers/tty/lstp_tty.c:168:37: error: use of undeclared identifier 'B3500000'
     168 |                 { 3000000, B3000000 }, { 3500000, B3500000 }, { 4000000, B4000000 },
         |                                                   ^
>> drivers/tty/lstp_tty.c:168:60: error: use of undeclared identifier 'B4000000'
     168 |                 { 3000000, B3000000 }, { 3500000, B3500000 }, { 4000000, B4000000 },
         |                                                                          ^
>> drivers/tty/lstp_tty.c:171:25: error: invalid application of 'sizeof' to an incomplete type 'const struct (unnamed struct at drivers/tty/lstp_tty.c:155:15)[]'
     171 |         for (size_t i = 0; i < ARRAY_SIZE(map); i++)
         |                                ^~~~~~~~~~~~~~~
   include/linux/array_size.h:11:32: note: expanded from macro 'ARRAY_SIZE'
      11 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
         |                                ^~~~~
   5 errors generated.


vim +/B2500000 +167 drivers/tty/lstp_tty.c

   151	
   152	/* clang-format off */
   153	static speed_t lstp_baud_to_speed(u32 baud)
   154	{
   155		static const struct {
   156			u32     baud;
   157			speed_t speed;
   158		} map[] = {
   159			{      50, B50      }, {      75, B75      }, {     110, B110     },
   160			{     134, B134     }, {     150, B150     }, {     200, B200     },
   161			{     300, B300     }, {     600, B600     }, {    1200, B1200    },
   162			{    1800, B1800    }, {    2400, B2400    }, {    4800, B4800    },
   163			{    9600, B9600    }, {   19200, B19200   }, {   38400, B38400   },
   164			{   57600, B57600   }, {  115200, B115200  }, {  230400, B230400  },
   165			{  460800, B460800  }, {  500000, B500000  }, {  576000, B576000  },
   166			{  921600, B921600  }, { 1000000, B1000000 }, { 1152000, B1152000 },
 > 167			{ 1500000, B1500000 }, { 2000000, B2000000 }, { 2500000, B2500000 },
 > 168			{ 3000000, B3000000 }, { 3500000, B3500000 }, { 4000000, B4000000 },
   169		};
   170	
 > 171		for (size_t i = 0; i < ARRAY_SIZE(map); i++)
   172			if (map[i].baud == baud)
   173				return map[i].speed;
   174	
   175		return B0;
   176	}
   177	

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