Hi Mauro, I love your patch! Perhaps something to improve: [auto build test WARNING on lee-mfd/for-mfd-next] [also build test WARNING on regulator/for-next robh/for-next linus/master v5.8 next-20200811] [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] url: https://github.com/0day-ci/linux/commits/Mauro-Carvalho-Chehab/Add-driver-for-HiSilicon-SPMI-PMIC-for-Hikey-970/20200811-234737 base: https://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd.git for-mfd-next config: arc-allyesconfig (attached as .config) compiler: arc-elf-gcc (GCC) 9.3.0 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 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): In file included from include/linux/device.h:15, from include/linux/platform_device.h:13, from drivers/spmi/hisi-spmi-controller.c:7: drivers/spmi/hisi-spmi-controller.c: In function 'spmi_read_cmd': >> drivers/spmi/hisi-spmi-controller.c:149:5: warning: format '%ld' expects argument of type 'long int', but argument 4 has type 'size_t' {aka 'unsigned int'} [-Wformat=] 149 | , "spmi_controller supports 1..%d bytes per trans, but:%ld requested" | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/dev_printk.h:19:22: note: in definition of macro 'dev_fmt' 19 | #define dev_fmt(fmt) fmt | ^~~ drivers/spmi/hisi-spmi-controller.c:148:3: note: in expansion of macro 'dev_err' 148 | dev_err(spmi_controller->dev | ^~~~~~~ drivers/spmi/hisi-spmi-controller.c:149:60: note: format string is defined here 149 | , "spmi_controller supports 1..%d bytes per trans, but:%ld requested" | ~~^ | | | long int | %d In file included from include/linux/device.h:15, from include/linux/platform_device.h:13, from drivers/spmi/hisi-spmi-controller.c:7: drivers/spmi/hisi-spmi-controller.c:198:33: warning: format '%ld' expects argument of type 'long int', but argument 6 has type 'size_t' {aka 'unsigned int'} [-Wformat=] 198 | dev_err(spmi_controller->dev, "spmi read wait timeout op:0x%x sid:%d addr:0x%x bc:%ld\n", | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/dev_printk.h:19:22: note: in definition of macro 'dev_fmt' 19 | #define dev_fmt(fmt) fmt | ^~~ drivers/spmi/hisi-spmi-controller.c:198:3: note: in expansion of macro 'dev_err' 198 | dev_err(spmi_controller->dev, "spmi read wait timeout op:0x%x sid:%d addr:0x%x bc:%ld\n", | ^~~~~~~ drivers/spmi/hisi-spmi-controller.c:198:87: note: format string is defined here 198 | dev_err(spmi_controller->dev, "spmi read wait timeout op:0x%x sid:%d addr:0x%x bc:%ld\n", | ~~^ | | | long int | %d In file included from include/linux/device.h:15, from include/linux/platform_device.h:13, from drivers/spmi/hisi-spmi-controller.c:7: drivers/spmi/hisi-spmi-controller.c: In function 'spmi_write_cmd': drivers/spmi/hisi-spmi-controller.c:220:5: warning: format '%ld' expects argument of type 'long int', but argument 4 has type 'size_t' {aka 'unsigned int'} [-Wformat=] 220 | , "spmi_controller supports 1..%d bytes per trans, but:%ld requested" | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/dev_printk.h:19:22: note: in definition of macro 'dev_fmt' 19 | #define dev_fmt(fmt) fmt | ^~~ drivers/spmi/hisi-spmi-controller.c:219:3: note: in expansion of macro 'dev_err' 219 | dev_err(spmi_controller->dev | ^~~~~~~ drivers/spmi/hisi-spmi-controller.c:220:60: note: format string is defined here 220 | , "spmi_controller supports 1..%d bytes per trans, but:%ld requested" | ~~^ | | | long int | %d In file included from include/linux/device.h:15, from include/linux/platform_device.h:13, from drivers/spmi/hisi-spmi-controller.c:7: drivers/spmi/hisi-spmi-controller.c:269:33: warning: format '%ld' expects argument of type 'long int', but argument 6 has type 'size_t' {aka 'unsigned int'} [-Wformat=] 269 | dev_err(spmi_controller->dev, "spmi write wait timeout op:0x%x sid:%d addr:0x%x bc:%ld\n", | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/dev_printk.h:19:22: note: in definition of macro 'dev_fmt' 19 | #define dev_fmt(fmt) fmt | ^~~ drivers/spmi/hisi-spmi-controller.c:269:3: note: in expansion of macro 'dev_err' 269 | dev_err(spmi_controller->dev, "spmi write wait timeout op:0x%x sid:%d addr:0x%x bc:%ld\n", | ^~~~~~~ drivers/spmi/hisi-spmi-controller.c:269:88: note: format string is defined here 269 | dev_err(spmi_controller->dev, "spmi write wait timeout op:0x%x sid:%d addr:0x%x bc:%ld\n", | ~~^ | | | long int | %d vim +149 drivers/spmi/hisi-spmi-controller.c 3f5f1801bf6c4a3 Mayulong 2020-08-11 135 3f5f1801bf6c4a3 Mayulong 2020-08-11 136 static int spmi_read_cmd(struct spmi_controller *ctrl, a93f9ffda101599 Mauro Carvalho Chehab 2020-08-11 137 u8 opc, u8 sid, u16 addr, u8 *__buf, size_t bc) 3f5f1801bf6c4a3 Mayulong 2020-08-11 138 { 3f5f1801bf6c4a3 Mayulong 2020-08-11 139 struct spmi_controller_dev *spmi_controller = dev_get_drvdata(&ctrl->dev); 3f5f1801bf6c4a3 Mayulong 2020-08-11 140 unsigned long flags; a93f9ffda101599 Mauro Carvalho Chehab 2020-08-11 141 u8 *buf = __buf; 3f5f1801bf6c4a3 Mayulong 2020-08-11 142 u32 cmd, data; 3f5f1801bf6c4a3 Mayulong 2020-08-11 143 int rc; 3f5f1801bf6c4a3 Mayulong 2020-08-11 144 u32 chnl_ofst = SPMI_CHANNEL_OFFSET * spmi_controller->channel; 3f5f1801bf6c4a3 Mayulong 2020-08-11 145 u8 op_code, i; 3f5f1801bf6c4a3 Mayulong 2020-08-11 146 3f5f1801bf6c4a3 Mayulong 2020-08-11 147 if (bc > SPMI_CONTROLLER_MAX_TRANS_BYTES) { 3f5f1801bf6c4a3 Mayulong 2020-08-11 148 dev_err(spmi_controller->dev 3f5f1801bf6c4a3 Mayulong 2020-08-11 @149 , "spmi_controller supports 1..%d bytes per trans, but:%ld requested" 3f5f1801bf6c4a3 Mayulong 2020-08-11 150 , SPMI_CONTROLLER_MAX_TRANS_BYTES, bc); 3f5f1801bf6c4a3 Mayulong 2020-08-11 151 return -EINVAL; 3f5f1801bf6c4a3 Mayulong 2020-08-11 152 } 3f5f1801bf6c4a3 Mayulong 2020-08-11 153 3f5f1801bf6c4a3 Mayulong 2020-08-11 154 /* Check the opcode */ 43091a1c2b8d45e Mauro Carvalho Chehab 2020-08-11 155 if (opc == SPMI_CMD_READ) { 3f5f1801bf6c4a3 Mayulong 2020-08-11 156 op_code = SPMI_CMD_REG_READ; 43091a1c2b8d45e Mauro Carvalho Chehab 2020-08-11 157 } else if (opc == SPMI_CMD_EXT_READ) { 3f5f1801bf6c4a3 Mayulong 2020-08-11 158 op_code = SPMI_CMD_EXT_REG_READ; 43091a1c2b8d45e Mauro Carvalho Chehab 2020-08-11 159 } else if (opc == SPMI_CMD_EXT_READL) { 3f5f1801bf6c4a3 Mayulong 2020-08-11 160 op_code = SPMI_CMD_EXT_REG_READ_L; 43091a1c2b8d45e Mauro Carvalho Chehab 2020-08-11 161 } else { 3f5f1801bf6c4a3 Mayulong 2020-08-11 162 dev_err(spmi_controller->dev, "invalid read cmd 0x%x", opc); 3f5f1801bf6c4a3 Mayulong 2020-08-11 163 return -EINVAL; 3f5f1801bf6c4a3 Mayulong 2020-08-11 164 } 3f5f1801bf6c4a3 Mayulong 2020-08-11 165 43091a1c2b8d45e Mauro Carvalho Chehab 2020-08-11 166 cmd = SPMI_APB_SPMI_CMD_EN | 43091a1c2b8d45e Mauro Carvalho Chehab 2020-08-11 167 (op_code << SPMI_APB_SPMI_CMD_TYPE_OFFSET) | 43091a1c2b8d45e Mauro Carvalho Chehab 2020-08-11 168 ((bc - 1) << SPMI_APB_SPMI_CMD_LENGTH_OFFSET) | 3f5f1801bf6c4a3 Mayulong 2020-08-11 169 ((sid & 0xf) << SPMI_APB_SPMI_CMD_SLAVEID_OFFSET) | /* slvid */ 3f5f1801bf6c4a3 Mayulong 2020-08-11 170 ((addr & 0xffff) << SPMI_APB_SPMI_CMD_ADDR_OFFSET); /* slave_addr */ 3f5f1801bf6c4a3 Mayulong 2020-08-11 171 43091a1c2b8d45e Mauro Carvalho Chehab 2020-08-11 172 spin_lock_irqsave(&spmi_controller->lock, flags); 3f5f1801bf6c4a3 Mayulong 2020-08-11 173 43091a1c2b8d45e Mauro Carvalho Chehab 2020-08-11 174 writel(cmd, spmi_controller->base + chnl_ofst + SPMI_APB_SPMI_CMD_BASE_ADDR); 3f5f1801bf6c4a3 Mayulong 2020-08-11 175 afd5339d05a6fd2 Mauro Carvalho Chehab 2020-08-11 176 rc = spmi_controller_wait_for_done(spmi_controller, afd5339d05a6fd2 Mauro Carvalho Chehab 2020-08-11 177 spmi_controller->base, sid, addr); 3f5f1801bf6c4a3 Mayulong 2020-08-11 178 if (rc) 3f5f1801bf6c4a3 Mayulong 2020-08-11 179 goto done; 3f5f1801bf6c4a3 Mayulong 2020-08-11 180 3f5f1801bf6c4a3 Mayulong 2020-08-11 181 i = 0; 3f5f1801bf6c4a3 Mayulong 2020-08-11 182 do { 43091a1c2b8d45e Mauro Carvalho Chehab 2020-08-11 183 data = readl(spmi_controller->base + chnl_ofst + SPMI_SLAVE_OFFSET * sid + SPMI_APB_SPMI_RDATA0_BASE_ADDR + i * SPMI_PER_DATAREG_BYTE); afd5339d05a6fd2 Mauro Carvalho Chehab 2020-08-11 184 data = be32_to_cpu((__be32)data); 43091a1c2b8d45e Mauro Carvalho Chehab 2020-08-11 185 if ((bc - i * SPMI_PER_DATAREG_BYTE) >> 2) { 3f5f1801bf6c4a3 Mayulong 2020-08-11 186 memcpy(buf, &data, sizeof(data)); 3f5f1801bf6c4a3 Mayulong 2020-08-11 187 buf += sizeof(data); 3f5f1801bf6c4a3 Mayulong 2020-08-11 188 } else { 43091a1c2b8d45e Mauro Carvalho Chehab 2020-08-11 189 memcpy(buf, &data, bc % SPMI_PER_DATAREG_BYTE); 3f5f1801bf6c4a3 Mayulong 2020-08-11 190 buf += (bc % SPMI_PER_DATAREG_BYTE); 3f5f1801bf6c4a3 Mayulong 2020-08-11 191 } 3f5f1801bf6c4a3 Mayulong 2020-08-11 192 i++; 3f5f1801bf6c4a3 Mayulong 2020-08-11 193 } while (bc > i * SPMI_PER_DATAREG_BYTE); 3f5f1801bf6c4a3 Mayulong 2020-08-11 194 3f5f1801bf6c4a3 Mayulong 2020-08-11 195 done: 3f5f1801bf6c4a3 Mayulong 2020-08-11 196 spin_unlock_irqrestore(&spmi_controller->lock, flags); 3f5f1801bf6c4a3 Mayulong 2020-08-11 197 if (rc) 3f5f1801bf6c4a3 Mayulong 2020-08-11 198 dev_err(spmi_controller->dev, "spmi read wait timeout op:0x%x sid:%d addr:0x%x bc:%ld\n", 3f5f1801bf6c4a3 Mayulong 2020-08-11 199 opc, sid, addr, bc + 1); a93f9ffda101599 Mauro Carvalho Chehab 2020-08-11 200 else a93f9ffda101599 Mauro Carvalho Chehab 2020-08-11 201 dev_dbg(spmi_controller->dev, "%s: id:%d addr:0x%x, read value: %*ph\n", a93f9ffda101599 Mauro Carvalho Chehab 2020-08-11 202 __func__, sid, addr, (int)bc, __buf); a93f9ffda101599 Mauro Carvalho Chehab 2020-08-11 203 3f5f1801bf6c4a3 Mayulong 2020-08-11 204 return rc; 43091a1c2b8d45e Mauro Carvalho Chehab 2020-08-11 205 } 3f5f1801bf6c4a3 Mayulong 2020-08-11 206 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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