Hi Channagoud, Thank you for the patch! Yet something to improve: [auto build test ERROR on linus/master] [also build test ERROR on v4.15 next-20180126] [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/Channagoud-Kadabi/SDM845-System-Cache-Driver/20180119-223446 config: arm64-allmodconfig (attached as .config) compiler: aarch64-linux-gnu-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=arm64 All errors (new ones prefixed by >>): >> drivers/soc/qcom/llcc-slice.c:138:25: 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:111:39: 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:171:6: 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:117:20: 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:214:5: 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:131:19: 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:257:5: 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:136:19: 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:299:5: 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:122:19: 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:315:8: 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:127:22: 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:384:5: 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:140:19: 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:443:5: 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:146:19: note: previous definition of 'qcom_llcc_remove' was here static inline int qcom_llcc_remove(struct platform_device *pdev) ^~~~~~~~~~~~~~~~ vim +/llcc_slice_getd +138 drivers/soc/qcom/llcc-slice.c 129 130 /** 131 * llcc_slice_getd - get llcc slice descriptor 132 * @dev: Device pointer of the client 133 * @name: Name of the use case 134 * 135 * A pointer to llcc slice descriptor will be returned on success and 136 * and error pointer is returned on failure 137 */ > 138 struct llcc_slice_desc *llcc_slice_getd(struct device *dev, const char *name) 139 { 140 struct device_node *np = dev->of_node; 141 int index = 0; 142 const char *slice_name; 143 struct property *prop; 144 145 if (!np) { 146 dev_err(dev, "%s() currently only supports DT\n", __func__); 147 return ERR_PTR(-ENOENT); 148 } 149 150 if (!of_get_property(np, "cache-slice-names", NULL)) { 151 dev_err(dev, 152 "%s() requires a \"cache-slice-names\" property\n", 153 __func__); 154 return ERR_PTR(-ENOENT); 155 } 156 157 of_property_for_each_string(np, "cache-slice-names", prop, slice_name) { 158 if (!strcmp(name, slice_name)) 159 break; 160 index++; 161 } 162 163 return llcc_slice_get_entry(dev, index); 164 } 165 EXPORT_SYMBOL(llcc_slice_getd); 166 167 /** 168 * llcc_slice_putd - llcc slice descritpor 169 * @desc: Pointer to llcc slice descriptor 170 */ > 171 void llcc_slice_putd(struct llcc_slice_desc *desc) 172 { 173 kfree(desc); 174 } 175 EXPORT_SYMBOL(llcc_slice_putd); 176 177 static int llcc_update_act_ctrl(struct llcc_drv_data *drv, u32 sid, 178 u32 act_ctrl_reg_val, u32 status) 179 { 180 u32 act_ctrl_reg; 181 u32 status_reg; 182 u32 slice_status; 183 unsigned long timeout; 184 185 act_ctrl_reg = drv->b_off + LLCC_TRP_ACT_CTRLn(sid); 186 status_reg = drv->b_off + LLCC_TRP_STATUSn(sid); 187 188 regmap_write(drv->llcc_map, act_ctrl_reg, act_ctrl_reg_val); 189 190 /* Make sure the activate trigger is applied before clearing it */ 191 mb(); 192 193 /* Clear the ACTIVE trigger */ 194 act_ctrl_reg_val &= ~ACT_CTRL_ACT_TRIG; 195 regmap_write(drv->llcc_map, act_ctrl_reg, act_ctrl_reg_val); 196 197 timeout = jiffies + usecs_to_jiffies(LLCC_STATUS_READ_DELAY); 198 while (time_before(jiffies, timeout)) { 199 regmap_read(drv->llcc_map, status_reg, &slice_status); 200 if (!(slice_status & status)) 201 return 0; 202 } 203 204 return -ETIMEDOUT; 205 } 206 207 /** 208 * llcc_slice_activate - Activate the llcc slice 209 * @desc: Pointer to llcc slice descriptor 210 * 211 * A value zero will be returned on success and a negative errno will 212 * be returned in error cases 213 */ > 214 int llcc_slice_activate(struct llcc_slice_desc *desc) 215 { 216 int rc = -EINVAL; 217 u32 act_ctrl_val; 218 struct llcc_drv_data *drv; 219 220 if (desc == NULL) { 221 pr_err("Input descriptor supplied is invalid\n"); 222 return rc; 223 } 224 225 drv = dev_get_drvdata(desc->dev); 226 if (!drv) { 227 pr_err("Invalid device pointer in the desc\n"); 228 return rc; 229 } 230 231 mutex_lock(&drv->slice_mutex); 232 if (test_bit(desc->llcc_slice_id, drv->llcc_slice_map)) { 233 mutex_unlock(&drv->slice_mutex); 234 return 0; 235 } 236 237 act_ctrl_val = ACT_CTRL_OPCODE_ACTIVATE << ACT_CTRL_OPCODE_SHIFT; 238 act_ctrl_val |= ACT_CTRL_ACT_TRIG; 239 240 rc = llcc_update_act_ctrl(drv, desc->llcc_slice_id, act_ctrl_val, 241 DEACTIVATE); 242 243 __set_bit(desc->llcc_slice_id, drv->llcc_slice_map); 244 mutex_unlock(&drv->slice_mutex); 245 246 return rc; 247 } 248 EXPORT_SYMBOL(llcc_slice_activate); 249 250 /** 251 * llcc_slice_deactivate - Deactivate the llcc slice 252 * @desc: Pointer to llcc slice descriptor 253 * 254 * A value zero will be returned on success and a negative errno will 255 * be returned in error cases 256 */ > 257 int llcc_slice_deactivate(struct llcc_slice_desc *desc) 258 { 259 u32 act_ctrl_val; 260 int rc = -EINVAL; 261 struct llcc_drv_data *drv; 262 263 if (desc == NULL) { 264 pr_err("Input descriptor supplied is invalid\n"); 265 return rc; 266 } 267 268 drv = dev_get_drvdata(desc->dev); 269 if (!drv) { 270 pr_err("Invalid device pointer in the desc\n"); 271 return rc; 272 } 273 274 mutex_lock(&drv->slice_mutex); 275 if (!test_bit(desc->llcc_slice_id, drv->llcc_slice_map)) { 276 mutex_unlock(&drv->slice_mutex); 277 return 0; 278 } 279 act_ctrl_val = ACT_CTRL_OPCODE_DEACTIVATE << ACT_CTRL_OPCODE_SHIFT; 280 act_ctrl_val |= ACT_CTRL_ACT_TRIG; 281 282 rc = llcc_update_act_ctrl(drv, desc->llcc_slice_id, act_ctrl_val, 283 ACTIVATE); 284 285 __clear_bit(desc->llcc_slice_id, drv->llcc_slice_map); 286 mutex_unlock(&drv->slice_mutex); 287 288 return rc; 289 } 290 EXPORT_SYMBOL(llcc_slice_deactivate); 291 292 /** 293 * llcc_get_slice_id - return the slice id 294 * @desc: Pointer to llcc slice descriptor 295 * 296 * A positive value will be returned on success and a negative errno will 297 * be returned on error 298 */ > 299 int llcc_get_slice_id(struct llcc_slice_desc *desc) 300 { 301 if (!desc) 302 return -EINVAL; 303 304 return desc->llcc_slice_id; 305 } 306 EXPORT_SYMBOL(llcc_get_slice_id); 307 308 /** 309 * llcc_get_slice_size - return the slice id 310 * @desc: Pointer to llcc slice descriptor 311 * 312 * A positive value will be returned on success and zero will returned on 313 * error 314 */ > 315 size_t llcc_get_slice_size(struct llcc_slice_desc *desc) 316 { 317 if (!desc) 318 return 0; 319 320 return desc->llcc_slice_size; 321 } 322 EXPORT_SYMBOL(llcc_get_slice_size); 323 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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