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Message-ID: <202507302237.gyVCBmXs-lkp@intel.com>
Date: Wed, 30 Jul 2025 22:43:04 +0800
From: kernel test robot <lkp@...el.com>
To: Clément Le Goffic <clement.legoffic@...s.st.com>,
Will Deacon <will@...nel.org>, Mark Rutland <mark.rutland@....com>,
Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
Maxime Coquelin <mcoquelin.stm32@...il.com>,
Alexandre Torgue <alexandre.torgue@...s.st.com>,
Philipp Zabel <p.zabel@...gutronix.de>,
Jonathan Corbet <corbet@....net>,
Gatien Chevallier <gatien.chevallier@...s.st.com>,
Michael Turquette <mturquette@...libre.com>,
Stephen Boyd <sboyd@...nel.org>,
Gabriel Fernandez <gabriel.fernandez@...s.st.com>,
Le Goffic <legoffic.clement@...il.com>,
Julius Werner <jwerner@...omium.org>
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
linux-arm-kernel@...ts.infradead.org,
linux-perf-users@...r.kernel.org, devicetree@...r.kernel.org,
linux-stm32@...md-mailman.stormreply.com,
linux-kernel@...r.kernel.org, linux-doc@...r.kernel.org,
linux-clk@...r.kernel.org,
Clément Le Goffic <clement.legoffic@...s.st.com>
Subject: Re: [PATCH v5 13/20] perf: stm32: introduce DDRPERFM driver
Hi Clément,
kernel test robot noticed the following build errors:
[auto build test ERROR on 89be9a83ccf1f88522317ce02f854f30d6115c41]
url: https://github.com/intel-lab-lkp/linux/commits/Cl-ment-Le-Goffic/bus-firewall-move-stm32_firewall-header-file-in-include-folder/20250728-234144
base: 89be9a83ccf1f88522317ce02f854f30d6115c41
patch link: https://lore.kernel.org/r/20250728-ddrperfm-upstream-v5-13-03f1be8ad396%40foss.st.com
patch subject: [PATCH v5 13/20] perf: stm32: introduce DDRPERFM driver
config: s390-randconfig-001-20250730 (https://download.01.org/0day-ci/archive/20250730/202507302237.gyVCBmXs-lkp@intel.com/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250730/202507302237.gyVCBmXs-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202507302237.gyVCBmXs-lkp@intel.com/
All errors (new ones prefixed by >>):
>> drivers/perf/stm32_ddr_pmu.c:213:2: error: call to undeclared function 'writel_relaxed'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
213 | writel_relaxed(r->start.mask, pmu->membase + r->start.reg);
| ^
drivers/perf/stm32_ddr_pmu.c:220:2: error: call to undeclared function 'writel_relaxed'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
220 | writel_relaxed(r->stop.mask, pmu->membase + r->stop.reg);
| ^
drivers/perf/stm32_ddr_pmu.c:227:2: error: call to undeclared function 'writel_relaxed'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
227 | writel_relaxed(r->clear_time.mask, pmu->membase + r->clear_time.reg);
| ^
drivers/perf/stm32_ddr_pmu.c:234:2: error: call to undeclared function 'writel_relaxed'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
234 | writel_relaxed(r->clear_cnt.mask & BIT(counter->idx), pmu->membase + r->clear_cnt.reg);
| ^
>> drivers/perf/stm32_ddr_pmu.c:240:15: error: call to undeclared function 'readl_relaxed'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
240 | u32 status = readl_relaxed(pmu->membase + r->status.reg);
| ^
drivers/perf/stm32_ddr_pmu.c:255:12: error: call to undeclared function 'readl_relaxed'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
255 | u32 val = readl_relaxed(pmu->membase + r->enable.reg);
| ^
drivers/perf/stm32_ddr_pmu.c:258:2: error: call to undeclared function 'writel_relaxed'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
258 | writel_relaxed(val, pmu->membase + r->enable.reg);
| ^
drivers/perf/stm32_ddr_pmu.c:264:12: error: call to undeclared function 'readl_relaxed'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
264 | u32 val = readl_relaxed(pmu->membase + r->enable.reg);
| ^
drivers/perf/stm32_ddr_pmu.c:267:2: error: call to undeclared function 'writel_relaxed'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
267 | writel_relaxed(val, pmu->membase + r->enable.reg);
| ^
drivers/perf/stm32_ddr_pmu.c:285:17: error: call to undeclared function 'readl_relaxed'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
285 | cnt_sel_val = readl_relaxed(pmu->membase + r->cfg.reg);
| ^
drivers/perf/stm32_ddr_pmu.c:288:3: error: call to undeclared function 'writel_relaxed'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
288 | writel_relaxed(cnt_sel_val, pmu->membase + r->cfg.reg);
| ^
drivers/perf/stm32_ddr_pmu.c:302:16: error: call to undeclared function 'readl_relaxed'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
302 | cnt_sel_val = readl_relaxed(pmu->membase + cnt_sel_evt_reg);
| ^
drivers/perf/stm32_ddr_pmu.c:306:2: error: call to undeclared function 'writel_relaxed'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
306 | writel_relaxed(cnt_sel_val, pmu->membase + cnt_sel_evt_reg);
| ^
drivers/perf/stm32_ddr_pmu.c:428:9: error: call to undeclared function 'readl_relaxed'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
428 | val = readl_relaxed(pmu->membase + r->counter_evt[counter->idx].reg);
| ^
drivers/perf/stm32_ddr_pmu.c:778:3: error: call to undeclared function 'writel_relaxed'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
778 | writel_relaxed(pmu->dram_type, pmu->membase + pmu->cfg->regs->dram_inf.reg);
| ^
drivers/perf/stm32_ddr_pmu.c:803:2: error: call to undeclared function 'writel_relaxed'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
803 | writel_relaxed(pmu->dram_type, pmu->membase + pmu->cfg->regs->dram_inf.reg);
| ^
16 errors generated.
vim +/writel_relaxed +213 drivers/perf/stm32_ddr_pmu.c
208
209 static void stm32_ddr_start_counters(struct stm32_ddr_pmu *pmu)
210 {
211 const struct stm32_ddr_pmu_regspec *r = pmu->cfg->regs;
212
> 213 writel_relaxed(r->start.mask, pmu->membase + r->start.reg);
214 }
215
216 static void stm32_ddr_stop_counters(struct stm32_ddr_pmu *pmu)
217 {
218 const struct stm32_ddr_pmu_regspec *r = pmu->cfg->regs;
219
220 writel_relaxed(r->stop.mask, pmu->membase + r->stop.reg);
221 }
222
223 static void stm32_ddr_clear_time_counter(struct stm32_ddr_pmu *pmu)
224 {
225 const struct stm32_ddr_pmu_regspec *r = pmu->cfg->regs;
226
227 writel_relaxed(r->clear_time.mask, pmu->membase + r->clear_time.reg);
228 }
229
230 static void stm32_ddr_clear_event_counter(struct stm32_ddr_pmu *pmu, struct stm32_ddr_cnt *counter)
231 {
232 const struct stm32_ddr_pmu_regspec *r = pmu->cfg->regs;
233
234 writel_relaxed(r->clear_cnt.mask & BIT(counter->idx), pmu->membase + r->clear_cnt.reg);
235 }
236
237 static void stm32_ddr_clear_counter(struct stm32_ddr_pmu *pmu, struct stm32_ddr_cnt *counter)
238 {
239 const struct stm32_ddr_pmu_regspec *r = pmu->cfg->regs;
> 240 u32 status = readl_relaxed(pmu->membase + r->status.reg);
241
242 if (counter->idx == pmu->cfg->time_cnt_idx)
243 stm32_ddr_clear_time_counter(pmu);
244 else
245 stm32_ddr_clear_event_counter(pmu, counter);
246
247 if (status & r->status.mask)
248 dev_err(pmu->dev, "Failed to clear counter %i because the PMU is busy\n",
249 counter->idx);
250 }
251
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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