From: kernel test robot <lkp@intel.com>
To: Jarkko Sakkinen <jarkko@kernel.org>
Cc: oe-kbuild-all@lists.linux.dev
Subject: [jarkko-tpmdd:master 6/9] drivers/char/tpm/tpm_ibmvtpm.c:407:12: warning: 'tpm_ibmvtpm_suspend' defined but not used
Date: Wed, 23 Sep 2026 18:25:48 +0200 [thread overview]
Message-ID: <202609231819.JBymmKOF-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd.git master
head: ab411db3c3b1fd0c70a36fb32c96b2c60175210b
commit: 137fb82b9c1b8b281307a7163ef719af752ee0bc [6/9] char: tpm: Use SIMPLE_DEV_PM_OPS for ibmvtpm power management
config: powerpc64-randconfig-r2105-20260923 (https://download.01.org/0day-ci/archive/20260923/202609231819.JBymmKOF-lkp@intel.com/config)
compiler: powerpc64-linux-gcc (GCC) 15.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260923/202609231819.JBymmKOF-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/202609231819.JBymmKOF-lkp@intel.com/
All warnings (new ones prefixed by >>):
>> drivers/char/tpm/tpm_ibmvtpm.c:407:12: warning: 'tpm_ibmvtpm_suspend' defined but not used [-Wunused-function]
407 | static int tpm_ibmvtpm_suspend(struct device *dev)
| ^~~~~~~~~~~~~~~~~~~
vim +/tpm_ibmvtpm_suspend +407 drivers/char/tpm/tpm_ibmvtpm.c
132f7629474424 Ashley Lai 2012-08-22 400
132f7629474424 Ashley Lai 2012-08-22 401 /**
132f7629474424 Ashley Lai 2012-08-22 402 * tpm_ibmvtpm_suspend - Suspend
132f7629474424 Ashley Lai 2012-08-22 403 * @dev: device struct
132f7629474424 Ashley Lai 2012-08-22 404 *
93c12f293f8798 Winkler, Tomas 2016-11-23 405 * Return: Always 0.
132f7629474424 Ashley Lai 2012-08-22 406 */
132f7629474424 Ashley Lai 2012-08-22 @407 static int tpm_ibmvtpm_suspend(struct device *dev)
132f7629474424 Ashley Lai 2012-08-22 408 {
9e0d39d8a6a0a8 Christophe Ricard 2016-03-31 409 struct tpm_chip *chip = dev_get_drvdata(dev);
9e0d39d8a6a0a8 Christophe Ricard 2016-03-31 410 struct ibmvtpm_dev *ibmvtpm = dev_get_drvdata(&chip->dev);
132f7629474424 Ashley Lai 2012-08-22 411 int rc = 0;
132f7629474424 Ashley Lai 2012-08-22 412
fb154e0e0a9524 Michal Suchanek 2017-02-24 413 rc = ibmvtpm_send_crq(ibmvtpm->vdev,
fb154e0e0a9524 Michal Suchanek 2017-02-24 414 IBMVTPM_VALID_CMD, VTPM_PREPARE_TO_SUSPEND, 0, 0);
132f7629474424 Ashley Lai 2012-08-22 415 if (rc != H_SUCCESS)
132f7629474424 Ashley Lai 2012-08-22 416 dev_err(ibmvtpm->dev,
132f7629474424 Ashley Lai 2012-08-22 417 "tpm_ibmvtpm_suspend failed rc=%d\n", rc);
132f7629474424 Ashley Lai 2012-08-22 418
132f7629474424 Ashley Lai 2012-08-22 419 return rc;
132f7629474424 Ashley Lai 2012-08-22 420 }
132f7629474424 Ashley Lai 2012-08-22 421
:::::: The code at line 407 was first introduced by commit
:::::: 132f7629474424418a5cdd666796ad3cfa4dc0c5 drivers/char/tpm: Add new device driver to support IBM vTPM
:::::: TO: Ashley Lai <adlai@linux.vnet.ibm.com>
:::::: CC: Kent Yoder <key@linux.vnet.ibm.com>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
reply other threads:[~2026-09-23 16:26 UTC|newest]
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