* Re: [PATCH] mmc: core: add MMC_QUIRK_BROKEN_WRITE_ZEROES for ESMT eMMC
[not found] <20260725185129.43397-1-kmayur809@gmail.com>
@ 2026-08-08 10:56 ` kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2026-08-08 10:56 UTC (permalink / raw)
To: Mayur Kumar, Ulf Hansson
Cc: llvm, oe-kbuild-all, linux-mmc, linux-kernel, Mayur Kumar
Hi Mayur,
kernel test robot noticed the following build errors:
[auto build test ERROR on linus/master]
[also build test ERROR on v7.2-rc6 next-20260807]
[cannot apply to ulf-hansson-mmc-mirror/next]
[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/Mayur-Kumar/mmc-core-add-MMC_QUIRK_BROKEN_WRITE_ZEROES-for-ESMT-eMMC/20260807-212705
base: linus/master
patch link: https://lore.kernel.org/r/20260725185129.43397-1-kmayur809%40gmail.com
patch subject: [PATCH] mmc: core: add MMC_QUIRK_BROKEN_WRITE_ZEROES for ESMT eMMC
config: loongarch-defconfig (https://download.01.org/0day-ci/archive/20260808/202608081816.H4q7m1Wl-lkp@intel.com/config)
compiler: clang version 24.0.0git (https://github.com/llvm/llvm-project 12df34b8469b8095359de8c249cb1b2753fadeea)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260808/202608081816.H4q7m1Wl-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/202608081816.H4q7m1Wl-lkp@intel.com/
All errors (new ones prefixed by >>):
>> drivers/mmc/core/queue.c:195:23: error: use of undeclared identifier 'MMC_QUIRK_BROKEN_WRITE_ZEROS'
195 | !(card->quirks & MMC_QUIRK_BROKEN_WRITE_ZEROS))
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
1 error generated.
vim +/MMC_QUIRK_BROKEN_WRITE_ZEROS +195 drivers/mmc/core/queue.c
176
177 static void mmc_queue_setup_discard(struct mmc_card *card,
178 struct queue_limits *lim)
179 {
180 unsigned max_discard;
181
182 max_discard = mmc_calc_max_discard(card);
183 if (!max_discard)
184 return;
185
186 lim->max_hw_discard_sectors = max_discard;
187 if (mmc_card_can_secure_erase_trim(card)) {
188 if (mmc_card_fixed_secure_erase_trim_time(card))
189 lim->max_secure_erase_sectors = UINT_MAX >> card->erase_shift;
190 else
191 lim->max_secure_erase_sectors = max_discard;
192 }
193
194 if (mmc_card_can_trim(card) && card->erased_byte == 0 &&
> 195 !(card->quirks & MMC_QUIRK_BROKEN_WRITE_ZEROS))
196 lim->max_write_zeroes_sectors = max_discard;
197
198 /* granularity must not be greater than max. discard */
199 if (card->pref_erase > max_discard)
200 lim->discard_granularity = SECTOR_SIZE;
201 else
202 lim->discard_granularity = card->pref_erase << 9;
203 }
204
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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