Re: [PATCH v1] can: flexcan: Drop unused platform driver data

[kernel test robot]

Hi Uwe,

kernel test robot noticed the following build warnings:

[auto build test WARNING on e7d700e14934e68f86338c5610cf2ae76798b663]

url:    https://github.com/intel-lab-lkp/linux/commits/Uwe-Kleine-K-nig-The-Capable-Hub/can-flexcan-Drop-unused-platform-driver-data/20260528-181620
base:   e7d700e14934e68f86338c5610cf2ae76798b663
patch link:    https://lore.kernel.org/r/20260528094540.1867783-2-u.kleine-koenig%40baylibre.com
patch subject: [PATCH v1] can: flexcan: Drop unused platform driver data
config: powerpc-randconfig-001-20260529 (https://download.01.org/0day-ci/archive/20260529/202605290854.3UtkTrpM-lkp@xxxxxxxxx/config)
compiler: powerpc-linux-gcc (GCC) 12.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260529/202605290854.3UtkTrpM-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202605290854.3UtkTrpM-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

>> drivers/net/can/flexcan/flexcan-core.c:296:42: warning: 'fsl_mcf5441x_devtype_data' defined but not used [-Wunused-const-variable=]
     296 | static const struct flexcan_devtype_data fsl_mcf5441x_devtype_data = {
         |                                          ^~~~~~~~~~~~~~~~~~~~~~~~~

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for HOTPLUG_CPU
   Depends on [n]: SMP [=y] && (PPC_PSERIES [=n] || PPC_PMAC [=n] || PPC_POWERNV [=n] || FSL_SOC_BOOKE [=n])
   Selected by [y]:
   - PM_SLEEP_SMP [=y] && SMP [=y] && (ARCH_SUSPEND_POSSIBLE [=y] || ARCH_HIBERNATION_POSSIBLE [=y]) && PM_SLEEP [=y]


vim +/fsl_mcf5441x_devtype_data +296 drivers/net/can/flexcan/flexcan-core.c

4b702878afc375 drivers/net/can/flexcan.c              Marc Kleine-Budde 2020-09-22  295  
d9cead75b1c66b drivers/net/can/flexcan.c              Angelo Dureghello 2021-07-02 @296  static const struct flexcan_devtype_data fsl_mcf5441x_devtype_data = {
d9cead75b1c66b drivers/net/can/flexcan.c              Angelo Dureghello 2021-07-02  297  	.quirks = FLEXCAN_QUIRK_BROKEN_PERR_STATE |
c5c88591040ee7 drivers/net/can/flexcan/flexcan-core.c Marc Kleine-Budde 2022-01-07  298  		FLEXCAN_QUIRK_NR_IRQ_3 | FLEXCAN_QUIRK_NR_MB_16 |
d945346db1ef41 drivers/net/can/flexcan/flexcan-core.c Marc Kleine-Budde 2022-08-11  299  		FLEXCAN_QUIRK_SUPPORT_RX_MAILBOX |
d945346db1ef41 drivers/net/can/flexcan/flexcan-core.c Marc Kleine-Budde 2022-08-11  300  		FLEXCAN_QUIRK_SUPPORT_RX_FIFO,
d9cead75b1c66b drivers/net/can/flexcan.c              Angelo Dureghello 2021-07-02  301  };
d9cead75b1c66b drivers/net/can/flexcan.c              Angelo Dureghello 2021-07-02  302  

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