tree: https://github.com/Xilinx/linux-xlnx xlnx_rebase_v5.15 head: 423a108a01e05e84b59a4c4885c16bf3cd8c90c7 commit: 270d60faa80afd4bdbb1c523372d902eaecd34cf [439/907] pmbus: Add new tps544 power regulator driver config: arc-allyesconfig (https://download.01.org/0day-ci/archive/20220210/202202101135.qfEi02y2-lk...) compiler: arceb-elf-gcc (GCC) 11.2.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/Xilinx/linux-xlnx/commit/270d60faa80afd4bdbb1c523372d9... git remote add xilinx-xlnx https://github.com/Xilinx/linux-xlnx git fetch --no-tags xilinx-xlnx xlnx_rebase_v5.15 git checkout 270d60faa80afd4bdbb1c523372d902eaecd34cf # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arc SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; Note: the xilinx-xlnx/xlnx_rebase_v5.15 HEAD 423a108a01e05e84b59a4c4885c16bf3cd8c90c7 builds fine. It only hurts bisectability. All errors (new ones prefixed by >>): drivers/hwmon/pmbus/tps544.c: In function 'tps544_read_word_data': 67 | return pmbus_read_word_data(client, page, reg); | ^~~~~~~~~~~~~~~~~~~~ In file included from drivers/hwmon/pmbus/tps544.c:16: drivers/hwmon/pmbus/pmbus.h:480:5: note: declared here 480 | int pmbus_read_word_data(struct i2c_client *client, int page, int phase, | ^~~~~~~~~~~~~~~~~~~~ drivers/hwmon/pmbus/tps544.c: In function 'tps544_regulator_get_voltage': drivers/hwmon/pmbus/tps544.c:98:16: error: too few arguments to function 'pmbus_read_word_data' 98 | return pmbus_read_word_data(client, page, PMBUS_READ_VOUT); | ^~~~~~~~~~~~~~~~~~~~ In file included from drivers/hwmon/pmbus/tps544.c:16: drivers/hwmon/pmbus/pmbus.h:480:5: note: declared here 480 | int pmbus_read_word_data(struct i2c_client *client, int page, int phase, | ^~~~~~~~~~~~~~~~~~~~ drivers/hwmon/pmbus/tps544.c: In function 'tps544_geti_show': drivers/hwmon/pmbus/tps544.c:203:20: error: too few arguments to function 'pmbus_read_word_data' 203 | reg_iout = pmbus_read_word_data(client, 0, PMBUS_READ_IOUT) & | ^~~~~~~~~~~~~~~~~~~~ In file included from drivers/hwmon/pmbus/tps544.c:16: drivers/hwmon/pmbus/pmbus.h:480:5: note: declared here 480 | int pmbus_read_word_data(struct i2c_client *client, int page, int phase, | ^~~~~~~~~~~~~~~~~~~~ drivers/hwmon/pmbus/tps544.c: In function 'tps544_setcali_show': drivers/hwmon/pmbus/tps544.c:217:20: error: too few arguments to function 'pmbus_read_word_data' 217 | reg_cali = pmbus_read_word_data(client, 0, TPS544_MFR_IOUT_CAL_OFFSET); | ^~~~~~~~~~~~~~~~~~~~ In file included from drivers/hwmon/pmbus/tps544.c:16: drivers/hwmon/pmbus/pmbus.h:480:5: note: declared here 480 | int pmbus_read_word_data(struct i2c_client *client, int page, int phase, | ^~~~~~~~~~~~~~~~~~~~ drivers/hwmon/pmbus/tps544.c: In function 'tps544_probe': 287 | info->read_word_data = tps544_read_word_data; | ^ 320 | return pmbus_do_probe(client, id, info); | ^~ | | | const struct i2c_device_id * In file included from drivers/hwmon/pmbus/tps544.c:16: drivers/hwmon/pmbus/pmbus.h:493:73: note: expected 'struct pmbus_driver_info *' but argument is of type 'const struct i2c_device_id *' 493 | int pmbus_do_probe(struct i2c_client *client, struct pmbus_driver_info *info); | ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~ 320 | return pmbus_do_probe(client, id, info); | ^~~~~~~~~~~~~~ In file included from drivers/hwmon/pmbus/tps544.c:16: drivers/hwmon/pmbus/pmbus.h:493:5: note: declared here 493 | int pmbus_do_probe(struct i2c_client *client, struct pmbus_driver_info *info); | ^~~~~~~~~~~~~~ drivers/hwmon/pmbus/tps544.c: In function 'tps544_remove': 331 | pmbus_do_remove(client); | ^~~~~~~~~~~~~~~ | pmbus_do_probe drivers/hwmon/pmbus/tps544.c: In function 'tps544_regulator_get_voltage': drivers/hwmon/pmbus/tps544.c:99:1: error: control reaches end of non-void function [-Werror=return-type] 99 | } | ^ drivers/hwmon/pmbus/tps544.c: In function 'tps544_read_word_data': drivers/hwmon/pmbus/tps544.c:68:1: error: control reaches end of non-void function [-Werror=return-type] 68 | } | ^ cc1: some warnings being treated as errors vim +/pmbus_read_word_data +67 drivers/hwmon/pmbus/tps544.c 17 18 #define TPS544_NUM_PAGES 1 19 20 struct tps544_data { 21 struct device *dev; 22 u16 vout_min[TPS544_NUM_PAGES], vout_max[TPS544_NUM_PAGES]; 23 struct pmbus_driver_info info; 24 }; 25 26 struct vlut { 27 int vol; 28 u16 vloop; 29 u16 v_ovfault; 30 u16 v_ovwarn; 31 u16 vmax; 32 u16 mfr_vmin; 33 u16 v_uvwarn; 34 u16 v_uvfault; 35 }; 36 37 #if IS_ENABLED(CONFIG_SENSORS_TPS544_REGULATOR) 38 #define TPS544_MFR_VOUT_MIN 0xA4 39 #define TPS544_MFR_RESTORE_DEF_ALL 0x12 40 #define TPS544_MFR_IOUT_CAL_OFFSET 0x39 41 42 #define TPS544_VOUTREAD_MULTIPLIER 1950 43 #define TPS544_IOUTREAD_MULTIPLIER 62500 44 #define TPS544_IOUTREAD_MASK GENMASK(9, 0) 45 46 #define TPS544_VOUT_LIMIT 5300000 47 48 #define to_tps544_data(x) container_of(x, struct tps544_data, info) 49 50 /* 51 * This currently supports 3 voltage out buckets: 52 * 0.5V to 1.3V 53 * 1.3V to 2.6V 54 * 2.6V to 5.3V 55 * Any requested voltage will be mapped to one of these buckets and 56 * VOUT will be programmed with 0.1V granularity. 57 */ 58 static const struct vlut tps544_vout[3] = { 59 {500000, 0xF004, 0x0290, 0x0285, 0x0300, 0x0100, 0x00CD, 0x009A}, 60 {1300000, 0xF002, 0x059A, 0x0566, 0x0600, 0x0100, 0x0143, 0x0130}, 61 {2600000, 0xF001, 0x0B00, 0x0A9A, 0x0A00, 0x0100, 0x0143, 0x0130} 62 }; 63 #endif 64 65 static int tps544_read_word_data(struct i2c_client *client, int page, int reg) 66 { 68 } 69 70 static int tps544_read_byte_data(struct i2c_client *client, int page, int reg) 71 { 72 return pmbus_read_byte_data(client, page, reg); 73 } 74 75 static int tps544_write_byte(struct i2c_client *client, int page, u8 byte) 76 { 77 return pmbus_write_byte(client, page, byte); 78 } 79 80 static int tps544_write_word_data(struct i2c_client *client, int page, 81 int reg, u16 word) 82 { 83 int ret; 84 85 ret = pmbus_write_word_data(client, page, reg, word); 86 /* TODO - Define new PMBUS virtual register entries for these */ 87 88 return ret; 89 } 90 91 #if IS_ENABLED(CONFIG_SENSORS_TPS544_REGULATOR) 92 static int tps544_regulator_get_voltage(struct regulator_dev *rdev) 93 { 94 struct device *dev = rdev_get_dev(rdev); 95 struct i2c_client *client = to_i2c_client(dev->parent); 96 int page = 0; 97 98 return pmbus_read_word_data(client, page, PMBUS_READ_VOUT); 99 } 100 101 static int tps544_regulator_set_voltage(struct regulator_dev *rdev, int min_uV, 102 int max_uV, unsigned int *selector) 103 { 104 struct device *dev = rdev_get_dev(rdev); 105 struct i2c_client *client = to_i2c_client(dev->parent); 106 const struct pmbus_driver_info *info = pmbus_get_driver_info(client); 107 struct tps544_data *data = to_tps544_data(info); 108 int index, page = 0; 109 u16 vout; 110 111 /* voltage will be set close to min value requested */ 112 vout = (u16)((min_uV * 512) / 1000000); 113 114 /* Check voltage bucket */ 115 if (min_uV >= tps544_vout[2].vol) 116 index = 2; 117 else if (min_uV >= tps544_vout[1].vol) 118 index = 1; 119 else if (min_uV >= tps544_vout[0].vol) 120 index = 0; 121 else 122 return -EINVAL; 123 124 pmbus_write_word_data(client, page, PMBUS_VOUT_SCALE_LOOP, 125 tps544_vout[index].vloop); 126 /* Use delay after setting scale loop; this is derived from testing */ 127 msleep(2000); 128 pmbus_write_word_data(client, page, PMBUS_VOUT_OV_FAULT_LIMIT, 129 tps544_vout[index].v_ovfault); 130 pmbus_write_word_data(client, page, PMBUS_VOUT_OV_WARN_LIMIT, 131 tps544_vout[index].v_ovwarn); 132 pmbus_write_word_data(client, page, PMBUS_VOUT_MAX, 133 tps544_vout[index].vmax); 134 pmbus_write_word_data(client, page, PMBUS_VOUT_COMMAND, vout); 135 tps544_write_word_data(client, page, TPS544_MFR_VOUT_MIN, 136 tps544_vout[index].mfr_vmin); 137 pmbus_write_word_data(client, page, PMBUS_VOUT_UV_WARN_LIMIT, 138 tps544_vout[index].v_uvwarn); 139 pmbus_write_word_data(client, page, PMBUS_VOUT_UV_FAULT_LIMIT, 140 tps544_vout[index].v_uvfault); 141 142 data->vout_min[page] = min_uV; 143 data->vout_max[page] = max_uV; 144 145 return 0; 146 } 147 148 static ssize_t tps544_setv_show(struct device *dev, 149 struct device_attribute *attr, char *buf) 150 { 151 struct regulator_dev *rdev = dev_get_drvdata(dev); 152 int vout; 153 154 vout = tps544_regulator_get_voltage(rdev) * TPS544_VOUTREAD_MULTIPLIER; 155 return sprintf(buf, "%d\n", vout); 156 } 157 158 static ssize_t tps544_setv_store(struct device *dev, 159 struct device_attribute *attr, 160 const char *buf, size_t count) 161 { 162 struct regulator_dev *rdev = dev_get_drvdata(dev); 163 int val; 164 int err; 165 166 err = kstrtoint(buf, 0, &val); 167 if (err) 168 return err; 169 if (val > TPS544_VOUT_LIMIT) 170 return -EINVAL; 171 172 err = tps544_regulator_set_voltage(rdev, val, val, NULL); 173 if (err) 174 return err; 175 176 return count; 177 } 178 179 static DEVICE_ATTR_RW(tps544_setv); 180 181 static ssize_t tps544_restorev_store(struct device *dev, 182 struct device_attribute *attr, 183 const char *buf, size_t count) 184 { 185 struct i2c_client *client = to_i2c_client(dev->parent); 186 int err; 187 188 err = pmbus_write_byte(client, 0, TPS544_MFR_RESTORE_DEF_ALL); 189 if (err) 190 return err; 191 192 return count; 193 } 194 195 static DEVICE_ATTR_WO(tps544_restorev); 196 197 static ssize_t tps544_geti_show(struct device *dev, 198 struct device_attribute *attr, char *buf) 199 { 200 struct i2c_client *client = to_i2c_client(dev->parent); 201 u16 reg_iout; 202 203 reg_iout = pmbus_read_word_data(client, 0, PMBUS_READ_IOUT) & 204 TPS544_IOUTREAD_MASK; 205 206 return sprintf(buf, "%d\n", reg_iout * TPS544_IOUTREAD_MULTIPLIER); 207 } 208 209 static DEVICE_ATTR_RO(tps544_geti); 210 211 static ssize_t tps544_setcali_show(struct device *dev, 212 struct device_attribute *attr, char *buf) 213 { 214 struct i2c_client *client = to_i2c_client(dev->parent); 215 int reg_cali; 216 218 219 return sprintf(buf, "Current: 0x%x; Set value in hex to calibrate\n", 220 reg_cali); 221 } 222 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org