[PATCH v6 14/24] scsi: ufs: mediatek: Switch to newer PM ops helpers
kernel test robot
lkp at intel.com
Sat Jan 24 14:41:04 PST 2026
Hi Nicolas,
kernel test robot noticed the following build errors:
[auto build test ERROR on 4af4e95edc37ae54f64cbd75b46f16ce15f3a6b8]
url: https://github.com/intel-lab-lkp/linux/commits/Nicolas-Frattaroli/dt-bindings-phy-Add-mediatek-mt8196-ufsphy-variant/20260124-201226
base: 4af4e95edc37ae54f64cbd75b46f16ce15f3a6b8
patch link: https://lore.kernel.org/r/20260124-mt8196-ufs-v6-14-e7c005b60028%40collabora.com
patch subject: [PATCH v6 14/24] scsi: ufs: mediatek: Switch to newer PM ops helpers
config: arm64-randconfig-004-20260125 (https://download.01.org/0day-ci/archive/20260125/202601250638.kCl6evPM-lkp@intel.com/config)
compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 9b8addffa70cee5b2acc5454712d9cf78ce45710)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260125/202601250638.kCl6evPM-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 at intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202601250638.kCl6evPM-lkp@intel.com/
All errors (new ones prefixed by >>):
>> drivers/ufs/host/ufs-mediatek.c:2339:8: error: call to undeclared function 'ufshcd_system_suspend'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
2339 | ret = ufshcd_system_suspend(dev);
| ^
drivers/ufs/host/ufs-mediatek.c:2339:8: note: did you mean 'ufs_mtk_system_suspend'?
drivers/ufs/host/ufs-mediatek.c:2328:12: note: 'ufs_mtk_system_suspend' declared here
2328 | static int ufs_mtk_system_suspend(struct device *dev)
| ^
2329 | {
2330 | struct ufs_hba *hba = dev_get_drvdata(dev);
2331 | struct arm_smccc_res res;
2332 | int ret;
2333 |
2334 | if (hba->shutting_down) {
2335 | ret = -EBUSY;
2336 | goto out;
2337 | }
2338 |
2339 | ret = ufshcd_system_suspend(dev);
| ~~~~~~~~~~~~~~~~~~~~~
| ufs_mtk_system_suspend
>> drivers/ufs/host/ufs-mediatek.c:2370:8: error: call to undeclared function 'ufshcd_system_resume'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
2370 | ret = ufshcd_system_resume(dev);
| ^
drivers/ufs/host/ufs-mediatek.c:2370:8: note: did you mean 'ufs_mtk_system_resume'?
drivers/ufs/host/ufs-mediatek.c:2355:12: note: 'ufs_mtk_system_resume' declared here
2355 | static int ufs_mtk_system_resume(struct device *dev)
| ^
2356 | {
2357 | int ret = 0;
2358 | struct ufs_hba *hba = dev_get_drvdata(dev);
2359 | struct arm_smccc_res res;
2360 |
2361 | if (pm_runtime_suspended(hba->dev))
2362 | goto out;
2363 |
2364 | if (ufs_mtk_is_rtff_mtcmos(hba))
2365 | ufs_mtk_mtcmos_ctrl(true, res);
2366 |
2367 | ufs_mtk_dev_vreg_set_lpm(hba, false);
2368 |
2369 | out:
2370 | ret = ufshcd_system_resume(dev);
| ~~~~~~~~~~~~~~~~~~~~
| ufs_mtk_system_resume
2 errors generated.
vim +/ufshcd_system_suspend +2339 drivers/ufs/host/ufs-mediatek.c
ddd90623ce26ea drivers/scsi/ufs/ufs-mediatek.c Stanley Chu 2019-03-16 2327
e7bf1d50063ce0 drivers/ufs/host/ufs-mediatek.c Stanley Chu 2022-06-23 2328 static int ufs_mtk_system_suspend(struct device *dev)
3fd23b8dfb54d9 drivers/ufs/host/ufs-mediatek.c Po-Wen Kao 2022-06-16 2329 {
3fd23b8dfb54d9 drivers/ufs/host/ufs-mediatek.c Po-Wen Kao 2022-06-16 2330 struct ufs_hba *hba = dev_get_drvdata(dev);
a6888d623eae6d drivers/ufs/host/ufs-mediatek.c Alice Chao 2024-03-15 2331 struct arm_smccc_res res;
3fd23b8dfb54d9 drivers/ufs/host/ufs-mediatek.c Po-Wen Kao 2022-06-16 2332 int ret;
3fd23b8dfb54d9 drivers/ufs/host/ufs-mediatek.c Po-Wen Kao 2022-06-16 2333
014de20bb36ba0 drivers/ufs/host/ufs-mediatek.c Peter Wang 2025-09-24 2334 if (hba->shutting_down) {
014de20bb36ba0 drivers/ufs/host/ufs-mediatek.c Peter Wang 2025-09-24 2335 ret = -EBUSY;
014de20bb36ba0 drivers/ufs/host/ufs-mediatek.c Peter Wang 2025-09-24 2336 goto out;
014de20bb36ba0 drivers/ufs/host/ufs-mediatek.c Peter Wang 2025-09-24 2337 }
014de20bb36ba0 drivers/ufs/host/ufs-mediatek.c Peter Wang 2025-09-24 2338
3fd23b8dfb54d9 drivers/ufs/host/ufs-mediatek.c Po-Wen Kao 2022-06-16 @2339 ret = ufshcd_system_suspend(dev);
3fd23b8dfb54d9 drivers/ufs/host/ufs-mediatek.c Po-Wen Kao 2022-06-16 2340 if (ret)
77b96ef70b6ba4 drivers/ufs/host/ufs-mediatek.c Peter Wang 2025-09-03 2341 goto out;
77b96ef70b6ba4 drivers/ufs/host/ufs-mediatek.c Peter Wang 2025-09-03 2342
77b96ef70b6ba4 drivers/ufs/host/ufs-mediatek.c Peter Wang 2025-09-03 2343 if (pm_runtime_suspended(hba->dev))
77b96ef70b6ba4 drivers/ufs/host/ufs-mediatek.c Peter Wang 2025-09-03 2344 goto out;
3fd23b8dfb54d9 drivers/ufs/host/ufs-mediatek.c Po-Wen Kao 2022-06-16 2345
42b1928360a32e drivers/ufs/host/ufs-mediatek.c Stanley Chu 2022-06-16 2346 ufs_mtk_dev_vreg_set_lpm(hba, true);
3fd23b8dfb54d9 drivers/ufs/host/ufs-mediatek.c Po-Wen Kao 2022-06-16 2347
a6888d623eae6d drivers/ufs/host/ufs-mediatek.c Alice Chao 2024-03-15 2348 if (ufs_mtk_is_rtff_mtcmos(hba))
a6888d623eae6d drivers/ufs/host/ufs-mediatek.c Alice Chao 2024-03-15 2349 ufs_mtk_mtcmos_ctrl(false, res);
a6888d623eae6d drivers/ufs/host/ufs-mediatek.c Alice Chao 2024-03-15 2350
77b96ef70b6ba4 drivers/ufs/host/ufs-mediatek.c Peter Wang 2025-09-03 2351 out:
77b96ef70b6ba4 drivers/ufs/host/ufs-mediatek.c Peter Wang 2025-09-03 2352 return ret;
3fd23b8dfb54d9 drivers/ufs/host/ufs-mediatek.c Po-Wen Kao 2022-06-16 2353 }
3fd23b8dfb54d9 drivers/ufs/host/ufs-mediatek.c Po-Wen Kao 2022-06-16 2354
e7bf1d50063ce0 drivers/ufs/host/ufs-mediatek.c Stanley Chu 2022-06-23 2355 static int ufs_mtk_system_resume(struct device *dev)
3fd23b8dfb54d9 drivers/ufs/host/ufs-mediatek.c Po-Wen Kao 2022-06-16 2356 {
77b96ef70b6ba4 drivers/ufs/host/ufs-mediatek.c Peter Wang 2025-09-03 2357 int ret = 0;
3fd23b8dfb54d9 drivers/ufs/host/ufs-mediatek.c Po-Wen Kao 2022-06-16 2358 struct ufs_hba *hba = dev_get_drvdata(dev);
a6888d623eae6d drivers/ufs/host/ufs-mediatek.c Alice Chao 2024-03-15 2359 struct arm_smccc_res res;
3fd23b8dfb54d9 drivers/ufs/host/ufs-mediatek.c Po-Wen Kao 2022-06-16 2360
77b96ef70b6ba4 drivers/ufs/host/ufs-mediatek.c Peter Wang 2025-09-03 2361 if (pm_runtime_suspended(hba->dev))
77b96ef70b6ba4 drivers/ufs/host/ufs-mediatek.c Peter Wang 2025-09-03 2362 goto out;
3fd23b8dfb54d9 drivers/ufs/host/ufs-mediatek.c Po-Wen Kao 2022-06-16 2363
a6888d623eae6d drivers/ufs/host/ufs-mediatek.c Alice Chao 2024-03-15 2364 if (ufs_mtk_is_rtff_mtcmos(hba))
a6888d623eae6d drivers/ufs/host/ufs-mediatek.c Alice Chao 2024-03-15 2365 ufs_mtk_mtcmos_ctrl(true, res);
a6888d623eae6d drivers/ufs/host/ufs-mediatek.c Alice Chao 2024-03-15 2366
b2f8abadabea32 drivers/ufs/host/ufs-mediatek.c Alice Chao 2025-09-03 2367 ufs_mtk_dev_vreg_set_lpm(hba, false);
b2f8abadabea32 drivers/ufs/host/ufs-mediatek.c Alice Chao 2025-09-03 2368
77b96ef70b6ba4 drivers/ufs/host/ufs-mediatek.c Peter Wang 2025-09-03 2369 out:
77b96ef70b6ba4 drivers/ufs/host/ufs-mediatek.c Peter Wang 2025-09-03 @2370 ret = ufshcd_system_resume(dev);
77b96ef70b6ba4 drivers/ufs/host/ufs-mediatek.c Peter Wang 2025-09-03 2371
77b96ef70b6ba4 drivers/ufs/host/ufs-mediatek.c Peter Wang 2025-09-03 2372 return ret;
3fd23b8dfb54d9 drivers/ufs/host/ufs-mediatek.c Po-Wen Kao 2022-06-16 2373 }
3fd23b8dfb54d9 drivers/ufs/host/ufs-mediatek.c Po-Wen Kao 2022-06-16 2374
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