* Re: [PATCH] i2c: hisi: Add I2C bus recovery support
[not found] <20260825033125.1893253-1-yubowen8@huawei.com>
@ 2026-08-26 0:26 ` kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2026-08-26 0:26 UTC (permalink / raw)
To: Bowen Yu, linuxarm, liudingyuan, andi.shyti, linux-i2c,
linux-kernel
Cc: llvm, oe-kbuild-all, zhanjie9, prime.zeng, wanghuiqiang, xuwei5,
yubowen8
Hi Bowen,
kernel test robot noticed the following build errors:
[auto build test ERROR on andi-shyti/i2c/i2c-host]
[also build test ERROR on linus/master v7.2 next-20260824]
[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/Bowen-Yu/i2c-hisi-Add-I2C-bus-recovery-support/20260825-113125
base: https://git.kernel.org/pub/scm/linux/kernel/git/andi.shyti/linux.git i2c/i2c-host
patch link: https://lore.kernel.org/r/20260825033125.1893253-1-yubowen8%40huawei.com
patch subject: [PATCH] i2c: hisi: Add I2C bus recovery support
config: arm-randconfig-003-20260826 (https://download.01.org/0day-ci/archive/20260826/202608260816.YagBXzlX-lkp@intel.com/config)
compiler: clang version 24.0.0git (https://github.com/llvm/llvm-project 771bdfdab2d66a4eb85b8ea7673cfa30152718b1)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260826/202608260816.YagBXzlX-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/202608260816.YagBXzlX-lkp@intel.com/
All errors (new ones prefixed by >>):
>> drivers/i2c/busses/i2c-hisi.c:236:27: error: call to undeclared function 'acpi_has_method'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
236 | if (ctlr->acpi_handle && acpi_has_method(ctlr->acpi_handle, "_RST")) {
| ^
drivers/i2c/busses/i2c-hisi.c:236:27: note: did you mean 'acpi_has_watchdog'?
include/linux/acpi.h:1528:20: note: 'acpi_has_watchdog' declared here
1528 | static inline bool acpi_has_watchdog(void) { return false; }
| ^
1 error generated.
vim +/acpi_has_method +236 drivers/i2c/busses/i2c-hisi.c
221
222 static void hisi_i2c_unprepare_recovery(struct i2c_adapter *adap)
223 {
224 struct hisi_i2c_controller *ctlr = i2c_get_adapdata(adap);
225 u32 reg;
226
227 reg = readl(ctlr->sctrl_addr);
228 reg &= ~(HISI_I2C_CTRL_SCL_CFG_EN | HISI_I2C_CTRL_DAT_CFG_EN);
229 writel(reg, ctlr->sctrl_addr);
230
231 /*
232 * Invokes the specific ACPI method "_RST" for trigger a soft
233 * reset of I2C controller in order to help on I2C controller recover from
234 * the abnormal state after bus recovery process.
235 */
> 236 if (ctlr->acpi_handle && acpi_has_method(ctlr->acpi_handle, "_RST")) {
237 acpi_status status;
238
239 status = acpi_evaluate_object(ctlr->acpi_handle, "_RST", NULL, NULL);
240 if (ACPI_FAILURE(status))
241 dev_err(ctlr->dev, "_RST method failed: %s\n",
242 acpi_format_exception(status));
243 }
244
245 hisi_i2c_configure_bus(ctlr);
246 }
247
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] only message in thread