* drivers/usb/dwc3/dwc3-generic-plat.c:114:35: error: implicit declaration of function 'FIELD_PREP'
@ 2026-08-31 2:39 kernel test robot
2026-08-31 3:12 ` Marek Vasut
0 siblings, 1 reply; 2+ messages in thread
From: kernel test robot @ 2026-08-31 2:39 UTC (permalink / raw)
To: Marek Vasut; +Cc: oe-kbuild-all, 0day robot
tree: https://github.com/intel-lab-lkp/linux/commits/Marek-Vasut/dt-bindings-phy-Document-ST-STM32MP25-USB2-FEMTO-PHY/20260822-094634
head: 37913ed44bd5c9e2fe5e7bd8ea4188171e6740b7
commit: baaedb19717a9c195ea1823e134a40ac6ca68036 usb: dwc3: dwc3-generic-plat: Add ST STM32MP2 DWC3 xHCI USB controller glue
date: 8 days ago
config: m68k-allmodconfig (https://download.01.org/0day-ci/archive/20260831/202608310438.95i46Myq-lkp@intel.com/config)
compiler: m68k-linux-gcc (GCC) 16.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260831/202608310438.95i46Myq-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/202608310438.95i46Myq-lkp@intel.com/
All errors (new ones prefixed by >>):
drivers/usb/dwc3/dwc3-generic-plat.c: In function 'dwc3_stm32mp25_init':
>> drivers/usb/dwc3/dwc3-generic-plat.c:114:35: error: implicit declaration of function 'FIELD_PREP' [-Wimplicit-function-declaration]
114 | FIELD_PREP(STM32MP2_USB3DRCR_HOST_PORT_POWER_CONTROL_PRESENT,
| ^~~~~~~~~~
vim +/FIELD_PREP +114 drivers/usb/dwc3/dwc3-generic-plat.c
93
94 static int dwc3_stm32mp25_init(struct dwc3_generic *dwc3g)
95 {
96 struct device *dev = dwc3g->dev;
97 bool ovrcur_polarity_low = device_property_read_bool(dev, "over-current-active-low");
98 bool prt_pwr_ctrl = device_property_read_bool(dev, "st,enable-port-power-control");
99 bool usb2only_conf = device_property_match_string(dev, "phy-names", "usb3-phy") < 0;
100 bool vbusen_polarity_low = device_property_read_bool(dev, "st,vbusen-active-low");
101 struct regmap *regmap;
102 u32 drcr;
103
104 regmap = syscon_regmap_lookup_by_phandle_args(dev->of_node, "st,syscfg", 1, &drcr);
105 if (IS_ERR(regmap))
106 return dev_err_probe(dev, PTR_ERR(regmap), "No st,syscfg phandle specified\n");
107
108 return regmap_update_bits(regmap, drcr,
109 STM32MP2_USB3DRCR_HOST_PORT_POWER_CONTROL_PRESENT |
110 STM32MP2_USB3DRCR_OVRCUR_POLARITY |
111 STM32MP2_USB3DRCR_VBUSEN_POLARITY |
112 STM32MP2_USB3DRCR_USB2ONLYD |
113 STM32MP2_USB3DRCR_USB2ONLYH,
> 114 FIELD_PREP(STM32MP2_USB3DRCR_HOST_PORT_POWER_CONTROL_PRESENT,
115 prt_pwr_ctrl) |
116 FIELD_PREP(STM32MP2_USB3DRCR_OVRCUR_POLARITY,
117 ovrcur_polarity_low) |
118 FIELD_PREP(STM32MP2_USB3DRCR_VBUSEN_POLARITY,
119 vbusen_polarity_low) |
120 FIELD_PREP(STM32MP2_USB3DRCR_USB2ONLYD,
121 !!usb2only_conf) |
122 FIELD_PREP(STM32MP2_USB3DRCR_USB2ONLYH,
123 !!usb2only_conf));
124 }
125
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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2026-08-31 2:39 drivers/usb/dwc3/dwc3-generic-plat.c:114:35: error: implicit declaration of function 'FIELD_PREP' kernel test robot
2026-08-31 3:12 ` Marek Vasut
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