Re: [PATCH v3 1/3] mailbox: Introduce support for T-head TH1520 Mailbox driver
From: kernel test robot
Date: Sat Oct 12 2024 - 04:20:11 EST
Hi Michal,
kernel test robot noticed the following build warnings:
[auto build test WARNING on robh/for-next]
[also build test WARNING on linus/master v6.12-rc2]
[cannot apply to next-20241011]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Michal-Wilczynski/mailbox-Introduce-support-for-T-head-TH1520-Mailbox-driver/20241009-015033
base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next
patch link: https://lore.kernel.org/r/20241008174852.222374-2-m.wilczynski%40samsung.com
patch subject: [PATCH v3 1/3] mailbox: Introduce support for T-head TH1520 Mailbox driver
config: i386-allmodconfig (https://download.01.org/0day-ci/archive/20241012/202410121547.KF1WUbP1-lkp@xxxxxxxxx/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241012/202410121547.KF1WUbP1-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/202410121547.KF1WUbP1-lkp@xxxxxxxxx/
All warnings (new ones prefixed by >>):
drivers/mailbox/mailbox-th1520.c: In function 'th1520_mbox_chan_id_to_mapbit':
>> drivers/mailbox/mailbox-th1520.c:196:34: warning: unused variable 'priv' [-Wunused-variable]
196 | struct th1520_mbox_priv *priv = to_th1520_mbox_priv(cp->chan->mbox);
| ^~~~
drivers/mailbox/mailbox-th1520.c: In function 'th1520_mbox_xlate':
drivers/mailbox/mailbox-th1520.c:381:34: warning: unused variable 'priv' [-Wunused-variable]
381 | struct th1520_mbox_priv *priv = to_th1520_mbox_priv(mbox);
| ^~~~
drivers/mailbox/mailbox-th1520.c: In function 'th1520_mbox_probe':
>> drivers/mailbox/mailbox-th1520.c:441:26: warning: unused variable 'res' [-Wunused-variable]
441 | struct resource *res;
| ^~~
>> drivers/mailbox/mailbox-th1520.c:439:29: warning: unused variable 'np' [-Wunused-variable]
439 | struct device_node *np = dev->of_node;
| ^~
Kconfig warnings: (for reference only)
WARNING: unmet direct dependencies detected for MODVERSIONS
Depends on [n]: MODULES [=y] && !COMPILE_TEST [=y]
Selected by [y]:
- RANDSTRUCT_FULL [=y] && (CC_HAS_RANDSTRUCT [=n] || GCC_PLUGINS [=y]) && MODULES [=y]
WARNING: unmet direct dependencies detected for GET_FREE_REGION
Depends on [n]: SPARSEMEM [=n]
Selected by [m]:
- RESOURCE_KUNIT_TEST [=m] && RUNTIME_TESTING_MENU [=y] && KUNIT [=m]
vim +/priv +196 drivers/mailbox/mailbox-th1520.c
193
194 static int th1520_mbox_chan_id_to_mapbit(struct th1520_mbox_con_priv *cp)
195 {
> 196 struct th1520_mbox_priv *priv = to_th1520_mbox_priv(cp->chan->mbox);
197 int mapbit = 0;
198 int i;
199
200 for (i = 0; i < TH_1520_MBOX_CHANS; i++) {
201 if (i == cp->idx)
202 return mapbit;
203
204 if (i != TH_1520_MBOX_ICU_KERNEL_CPU0)
205 mapbit++;
206 }
207
208 if (i == TH_1520_MBOX_CHANS)
209 dev_err(cp->chan->mbox->dev, "convert to mapbit failed\n");
210
211 return 0;
212 }
213
--
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https://github.com/intel/lkp-tests/wiki