Re: [PATCH] firmware: meson: sm: add stub functions when CONFIG_MESON_SM is disabled

From: kernel test robot

Date: Sat May 30 2026 - 14:07:14 EST


Hi Ronald,

kernel test robot noticed the following build errors:

[auto build test ERROR on 3929405c64376a8a54c794e8a4485023b108a97e]

url: https://github.com/intel-lab-lkp/linux/commits/Ronald-Claveau-via-B4-Relay/firmware-meson-sm-add-stub-functions-when-CONFIG_MESON_SM-is-disabled/20260530-150837
base: 3929405c64376a8a54c794e8a4485023b108a97e
patch link: https://lore.kernel.org/r/20260530-fix-missing-meson_sm-symbol-v1-1-3fb672b989d4%40aliel.fr
patch subject: [PATCH] firmware: meson: sm: add stub functions when CONFIG_MESON_SM is disabled
config: arm64-allmodconfig (https://download.01.org/0day-ci/archive/20260531/202605310154.bmdMBZHJ-lkp@xxxxxxxxx/config)
compiler: clang version 19.1.7 (https://github.com/llvm/llvm-project cd708029e0b2869e80abe31ddb175f7c35361f90)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260531/202605310154.bmdMBZHJ-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/202605310154.bmdMBZHJ-lkp@xxxxxxxxx/

All errors (new ones prefixed by >>):

>> drivers/firmware/meson/meson_sm.c:233:27: error: redefinition of 'meson_sm_get'
233 | struct meson_sm_firmware *meson_sm_get(struct device_node *sm_node)
| ^
include/linux/firmware/meson/meson_sm.h:39:41: note: previous definition is here
39 | static inline struct meson_sm_firmware *meson_sm_get(struct device_node *firmware_node)
| ^
>> drivers/firmware/meson/meson_sm.c:258:5: error: redefinition of 'meson_sm_get_thermal_calib'
258 | int meson_sm_get_thermal_calib(struct meson_sm_firmware *fw, u32 *trim_info,
| ^
include/linux/firmware/meson/meson_sm.h:43:19: note: previous definition is here
43 | static inline int meson_sm_get_thermal_calib(struct meson_sm_firmware *fw,
| ^
2 errors generated.


vim +/meson_sm_get +233 drivers/firmware/meson/meson_sm.c

2c4ddb215521d5 Carlo Caione 2016-08-27 225
8cde3c2153e8f5 Carlo Caione 2019-07-31 226 /**
8cde3c2153e8f5 Carlo Caione 2019-07-31 227 * meson_sm_get - get pointer to meson_sm_firmware structure.
8cde3c2153e8f5 Carlo Caione 2019-07-31 228 *
8cde3c2153e8f5 Carlo Caione 2019-07-31 229 * @sm_node: Pointer to the secure-monitor Device Tree node.
8cde3c2153e8f5 Carlo Caione 2019-07-31 230 *
8cde3c2153e8f5 Carlo Caione 2019-07-31 231 * Return: NULL is the secure-monitor device is not ready.
8cde3c2153e8f5 Carlo Caione 2019-07-31 232 */
8cde3c2153e8f5 Carlo Caione 2019-07-31 @233 struct meson_sm_firmware *meson_sm_get(struct device_node *sm_node)
8cde3c2153e8f5 Carlo Caione 2019-07-31 234 {
8cde3c2153e8f5 Carlo Caione 2019-07-31 235 struct platform_device *pdev = of_find_device_by_node(sm_node);
8ece3173f87df0 Johan Hovold 2025-07-25 236 struct meson_sm_firmware *fw;
8cde3c2153e8f5 Carlo Caione 2019-07-31 237
8cde3c2153e8f5 Carlo Caione 2019-07-31 238 if (!pdev)
8cde3c2153e8f5 Carlo Caione 2019-07-31 239 return NULL;
8cde3c2153e8f5 Carlo Caione 2019-07-31 240
8ece3173f87df0 Johan Hovold 2025-07-25 241 fw = platform_get_drvdata(pdev);
8ece3173f87df0 Johan Hovold 2025-07-25 242
8ece3173f87df0 Johan Hovold 2025-07-25 243 put_device(&pdev->dev);
8ece3173f87df0 Johan Hovold 2025-07-25 244
8ece3173f87df0 Johan Hovold 2025-07-25 245 return fw;
8cde3c2153e8f5 Carlo Caione 2019-07-31 246 }
8cde3c2153e8f5 Carlo Caione 2019-07-31 247 EXPORT_SYMBOL_GPL(meson_sm_get);
8cde3c2153e8f5 Carlo Caione 2019-07-31 248
1c5cb7391ef5f8 Ronald Claveau 2026-04-24 249 /**
1c5cb7391ef5f8 Ronald Claveau 2026-04-24 250 * meson_sm_get_thermal_calib - Read thermal sensor calibration data.
1c5cb7391ef5f8 Ronald Claveau 2026-04-24 251 * @fw: Pointer to secure-monitor firmware.
1c5cb7391ef5f8 Ronald Claveau 2026-04-24 252 * @trim_info: Pointer to store the returned calibration data.
1c5cb7391ef5f8 Ronald Claveau 2026-04-24 253 * @tsensor_id: Sensor index to identify which sensor's calibration data
1c5cb7391ef5f8 Ronald Claveau 2026-04-24 254 * to retrieve
1c5cb7391ef5f8 Ronald Claveau 2026-04-24 255 *
1c5cb7391ef5f8 Ronald Claveau 2026-04-24 256 * Return: 0 on success, negative error code on failure.
1c5cb7391ef5f8 Ronald Claveau 2026-04-24 257 */
1c5cb7391ef5f8 Ronald Claveau 2026-04-24 @258 int meson_sm_get_thermal_calib(struct meson_sm_firmware *fw, u32 *trim_info,
1c5cb7391ef5f8 Ronald Claveau 2026-04-24 259 u32 tsensor_id)
1c5cb7391ef5f8 Ronald Claveau 2026-04-24 260 {
1c5cb7391ef5f8 Ronald Claveau 2026-04-24 261 return meson_sm_call(fw, SM_THERMAL_CALIB_READ, trim_info, tsensor_id,
1c5cb7391ef5f8 Ronald Claveau 2026-04-24 262 0, 0, 0, 0);
1c5cb7391ef5f8 Ronald Claveau 2026-04-24 263 }
1c5cb7391ef5f8 Ronald Claveau 2026-04-24 264 EXPORT_SYMBOL_GPL(meson_sm_get_thermal_calib);
1c5cb7391ef5f8 Ronald Claveau 2026-04-24 265

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