Hi Rishabh, Thank you for the patch! Yet something to improve: [auto build test ERROR on linus/master] [also build test ERROR on v4.16-rc7 next-20180327] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Rishabh-Bhatnagar/SDM845-System-Cache-Driver/20180325-233519 config: arm-allmodconfig (attached as .config) compiler: arm-linux-gnueabi-gcc (Debian 7.2.0-11) 7.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=arm All errors (new ones prefixed by >>): >> make[4]: *** No rule to make target 'drivers/soc/qcom/llcc-core.c', needed by 'drivers/soc/qcom/llcc-core.o'. make[4]: *** [drivers/soc/qcom/llcc-slice.o] Error 1 make[4]: Target '__build' not remade because of errors. -- >> drivers/soc/qcom/llcc-slice.c:130:25: error: redefinition of 'llcc_slice_getd' struct llcc_slice_desc *llcc_slice_getd(struct device *dev, const char *name) ^~~~~~~~~~~~~~~ In file included from drivers/soc/qcom/llcc-slice.c:28:0: include/linux/soc/qcom/llcc-qcom.h:137:39: note: previous definition of 'llcc_slice_getd' was here static inline struct llcc_slice_desc *llcc_slice_getd(struct device *dev, ^~~~~~~~~~~~~~~ >> drivers/soc/qcom/llcc-slice.c:163:6: error: redefinition of 'llcc_slice_putd' void llcc_slice_putd(struct llcc_slice_desc *desc) ^~~~~~~~~~~~~~~ In file included from drivers/soc/qcom/llcc-slice.c:28:0: include/linux/soc/qcom/llcc-qcom.h:143:20: note: previous definition of 'llcc_slice_putd' was here static inline void llcc_slice_putd(struct llcc_slice_desc *desc) ^~~~~~~~~~~~~~~ >> drivers/soc/qcom/llcc-slice.c:206:5: error: redefinition of 'llcc_slice_activate' int llcc_slice_activate(struct llcc_slice_desc *desc) ^~~~~~~~~~~~~~~~~~~ In file included from drivers/soc/qcom/llcc-slice.c:28:0: include/linux/soc/qcom/llcc-qcom.h:157:19: note: previous definition of 'llcc_slice_activate' was here static inline int llcc_slice_activate(struct llcc_slice_desc *desc) ^~~~~~~~~~~~~~~~~~~ >> drivers/soc/qcom/llcc-slice.c:245:5: error: redefinition of 'llcc_slice_deactivate' int llcc_slice_deactivate(struct llcc_slice_desc *desc) ^~~~~~~~~~~~~~~~~~~~~ In file included from drivers/soc/qcom/llcc-slice.c:28:0: include/linux/soc/qcom/llcc-qcom.h:162:19: note: previous definition of 'llcc_slice_deactivate' was here static inline int llcc_slice_deactivate(struct llcc_slice_desc *desc) ^~~~~~~~~~~~~~~~~~~~~ >> drivers/soc/qcom/llcc-slice.c:283:5: error: redefinition of 'llcc_get_slice_id' int llcc_get_slice_id(struct llcc_slice_desc *desc) ^~~~~~~~~~~~~~~~~ In file included from drivers/soc/qcom/llcc-slice.c:28:0: include/linux/soc/qcom/llcc-qcom.h:148:19: note: previous definition of 'llcc_get_slice_id' was here static inline int llcc_get_slice_id(struct llcc_slice_desc *desc) ^~~~~~~~~~~~~~~~~ >> drivers/soc/qcom/llcc-slice.c:299:8: error: redefinition of 'llcc_get_slice_size' size_t llcc_get_slice_size(struct llcc_slice_desc *desc) ^~~~~~~~~~~~~~~~~~~ In file included from drivers/soc/qcom/llcc-slice.c:28:0: include/linux/soc/qcom/llcc-qcom.h:153:22: note: previous definition of 'llcc_get_slice_size' was here static inline size_t llcc_get_slice_size(struct llcc_slice_desc *desc) ^~~~~~~~~~~~~~~~~~~ >> drivers/soc/qcom/llcc-slice.c:368:5: error: redefinition of 'qcom_llcc_probe' int qcom_llcc_probe(struct platform_device *pdev, ^~~~~~~~~~~~~~~ In file included from drivers/soc/qcom/llcc-slice.c:28:0: include/linux/soc/qcom/llcc-qcom.h:166:19: note: previous definition of 'qcom_llcc_probe' was here static inline int qcom_llcc_probe(struct platform_device *pdev, ^~~~~~~~~~~~~~~ >> drivers/soc/qcom/llcc-slice.c:441:5: error: redefinition of 'qcom_llcc_remove' int qcom_llcc_remove(struct platform_device *pdev) ^~~~~~~~~~~~~~~~ In file included from drivers/soc/qcom/llcc-slice.c:28:0: include/linux/soc/qcom/llcc-qcom.h:172:19: note: previous definition of 'qcom_llcc_remove' was here static inline int qcom_llcc_remove(struct platform_device *pdev) ^~~~~~~~~~~~~~~~ vim +/llcc_slice_getd +130 drivers/soc/qcom/llcc-slice.c 121 122 /** 123 * llcc_slice_getd - get llcc slice descriptor 124 * @dev: Device pointer of the client 125 * @name: Name of the use case 126 * 127 * A pointer to llcc slice descriptor will be returned on success and 128 * and error pointer is returned on failure 129 */ > 130 struct llcc_slice_desc *llcc_slice_getd(struct device *dev, const char *name) 131 { 132 struct device_node *np = dev->of_node; 133 int index = 0; 134 const char *slice_name; 135 struct property *prop; 136 137 if (!np) { 138 dev_err(dev, "%s() currently only supports DT\n", __func__); 139 return ERR_PTR(-ENOENT); 140 } 141 142 if (!of_get_property(np, "cache-slice-names", NULL)) { 143 dev_err(dev, 144 "%s() requires a \"cache-slice-names\" property\n", 145 __func__); 146 return ERR_PTR(-ENOENT); 147 } 148 149 of_property_for_each_string(np, "cache-slice-names", prop, slice_name) { 150 if (!strcmp(name, slice_name)) 151 break; 152 index++; 153 } 154 155 return llcc_slice_get_entry(dev, index); 156 } 157 EXPORT_SYMBOL(llcc_slice_getd); 158 159 /** 160 * llcc_slice_putd - llcc slice descritpor 161 * @desc: Pointer to llcc slice descriptor 162 */ > 163 void llcc_slice_putd(struct llcc_slice_desc *desc) 164 { 165 kfree(desc); 166 } 167 EXPORT_SYMBOL(llcc_slice_putd); 168 169 static int llcc_update_act_ctrl(struct llcc_drv_data *drv, u32 sid, 170 u32 act_ctrl_reg_val, u32 status) 171 { 172 u32 act_ctrl_reg; 173 u32 status_reg; 174 u32 slice_status; 175 unsigned long timeout; 176 177 act_ctrl_reg = drv->b_off + LLCC_TRP_ACT_CTRLn(sid); 178 status_reg = drv->b_off + LLCC_TRP_STATUSn(sid); 179 180 regmap_write(drv->llcc_map, act_ctrl_reg, act_ctrl_reg_val); 181 182 /* Make sure the activate trigger is applied before clearing it */ 183 mb(); 184 185 /* Clear the ACTIVE trigger */ 186 act_ctrl_reg_val &= ~ACT_CTRL_ACT_TRIG; 187 regmap_write(drv->llcc_map, act_ctrl_reg, act_ctrl_reg_val); 188 189 timeout = jiffies + usecs_to_jiffies(LLCC_STATUS_READ_DELAY); 190 while (time_before(jiffies, timeout)) { 191 regmap_read(drv->llcc_map, status_reg, &slice_status); 192 if (!(slice_status & status)) 193 return 0; 194 } 195 196 return -ETIMEDOUT; 197 } 198 199 /** 200 * llcc_slice_activate - Activate the llcc slice 201 * @desc: Pointer to llcc slice descriptor 202 * 203 * A value zero will be returned on success and a negative errno will 204 * be returned in error cases 205 */ > 206 int llcc_slice_activate(struct llcc_slice_desc *desc) 207 { 208 int rc = -EINVAL; 209 u32 act_ctrl_val; 210 struct llcc_drv_data *drv; 211 212 if (desc == NULL) 213 return rc; 214 215 drv = dev_get_drvdata(desc->dev); 216 if (!drv) 217 return rc; 218 219 mutex_lock(&drv->slice_mutex); 220 if (test_bit(desc->llcc_slice_id, drv->llcc_slice_map)) { 221 mutex_unlock(&drv->slice_mutex); 222 return 0; 223 } 224 225 act_ctrl_val = ACT_CTRL_OPCODE_ACTIVATE << ACT_CTRL_OPCODE_SHIFT; 226 act_ctrl_val |= ACT_CTRL_ACT_TRIG; 227 228 rc = llcc_update_act_ctrl(drv, desc->llcc_slice_id, act_ctrl_val, 229 DEACTIVATE); 230 231 __set_bit(desc->llcc_slice_id, drv->llcc_slice_map); 232 mutex_unlock(&drv->slice_mutex); 233 234 return rc; 235 } 236 EXPORT_SYMBOL(llcc_slice_activate); 237 238 /** 239 * llcc_slice_deactivate - Deactivate the llcc slice 240 * @desc: Pointer to llcc slice descriptor 241 * 242 * A value zero will be returned on success and a negative errno will 243 * be returned in error cases 244 */ > 245 int llcc_slice_deactivate(struct llcc_slice_desc *desc) 246 { 247 u32 act_ctrl_val; 248 int rc = -EINVAL; 249 struct llcc_drv_data *drv; 250 251 if (desc == NULL) 252 return rc; 253 254 drv = dev_get_drvdata(desc->dev); 255 if (!drv) 256 return rc; 257 258 mutex_lock(&drv->slice_mutex); 259 if (!test_bit(desc->llcc_slice_id, drv->llcc_slice_map)) { 260 mutex_unlock(&drv->slice_mutex); 261 return 0; 262 } 263 act_ctrl_val = ACT_CTRL_OPCODE_DEACTIVATE << ACT_CTRL_OPCODE_SHIFT; 264 act_ctrl_val |= ACT_CTRL_ACT_TRIG; 265 266 rc = llcc_update_act_ctrl(drv, desc->llcc_slice_id, act_ctrl_val, 267 ACTIVATE); 268 269 __clear_bit(desc->llcc_slice_id, drv->llcc_slice_map); 270 mutex_unlock(&drv->slice_mutex); 271 272 return rc; 273 } 274 EXPORT_SYMBOL(llcc_slice_deactivate); 275 276 /** 277 * llcc_get_slice_id - return the slice id 278 * @desc: Pointer to llcc slice descriptor 279 * 280 * A positive value will be returned on success and a negative errno will 281 * be returned on error 282 */ > 283 int llcc_get_slice_id(struct llcc_slice_desc *desc) 284 { 285 if (!desc) 286 return -EINVAL; 287 288 return desc->llcc_slice_id; 289 } 290 EXPORT_SYMBOL(llcc_get_slice_id); 291 292 /** 293 * llcc_get_slice_size - return the slice id 294 * @desc: Pointer to llcc slice descriptor 295 * 296 * A positive value will be returned on success and zero will returned on 297 * error 298 */ > 299 size_t llcc_get_slice_size(struct llcc_slice_desc *desc) 300 { 301 if (!desc) 302 return 0; 303 304 return desc->llcc_slice_size; 305 } 306 EXPORT_SYMBOL(llcc_get_slice_size); 307 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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