Re: [PATCH 1/3] mfd: ahc1ec0: Add support for Advantech embedded controller

From: kernel test robot
Date: Wed Oct 14 2020 - 10:17:16 EST

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Hi Shihlun,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on linus/master]
[also build test WARNING on linux/master v5.9]
[cannot apply to lee-mfd/for-mfd-next next-20201013]
[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/Shihlun-Lin/mfd-ahc1ec0-Add-support-for-Advantech-embedded-controller/20201014-164627
base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git b5fc7a89e58bcc059a3d5e4db79c481fb437de59
config: riscv-allyesconfig (attached as .config)
compiler: riscv64-linux-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
# https://github.com/0day-ci/linux/commit/f939b81446bccbb73682a795ea5422386d6b15bb
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Shihlun-Lin/mfd-ahc1ec0-Add-support-for-Advantech-embedded-controller/20201014-164627
git checkout f939b81446bccbb73682a795ea5422386d6b15bb
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=riscv

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All warnings (new ones prefixed by >>):

drivers/mfd/ahc1ec0.c:71:5: warning: no previous prototype for 'wait_ibf' [-Wmissing-prototypes]
71 | int wait_ibf(void)
| ^~~~~~~~
drivers/mfd/ahc1ec0.c:86:5: warning: no previous prototype for 'wait_obf' [-Wmissing-prototypes]
86 | int wait_obf(void)
| ^~~~~~~~
drivers/mfd/ahc1ec0.c:101:5: warning: no previous prototype for 'read_hw_ram' [-Wmissing-prototypes]
101 | int read_hw_ram(uchar addr, uchar *data)
| ^~~~~~~~~~~
drivers/mfd/ahc1ec0.c:182:5: warning: no previous prototype for 'wait_smbus_protocol_finish' [-Wmissing-prototypes]
182 | int wait_smbus_protocol_finish(void)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/mfd/ahc1ec0.c:203:5: warning: no previous prototype for 'adv_get_dynamic_tab' [-Wmissing-prototypes]
203 | int adv_get_dynamic_tab(struct adv_ec_platform_data *pdata)
| ^~~~~~~~~~~~~~~~~~~
drivers/mfd/ahc1ec0.c:409:5: warning: no previous prototype for 'write_acpi_value' [-Wmissing-prototypes]
409 | int write_acpi_value(uchar addr, uchar value)
| ^~~~~~~~~~~~~~~~
drivers/mfd/ahc1ec0.c:442:5: warning: no previous prototype for 'read_gpio_status' [-Wmissing-prototypes]
442 | int read_gpio_status(uchar PinNumber, uchar *pvalue)
| ^~~~~~~~~~~~~~~~
drivers/mfd/ahc1ec0.c:493:5: warning: no previous prototype for 'write_gpio_status' [-Wmissing-prototypes]
493 | int write_gpio_status(uchar PinNumber, uchar value)
| ^~~~~~~~~~~~~~~~~
drivers/mfd/ahc1ec0.c:538:5: warning: no previous prototype for 'read_gpio_dir' [-Wmissing-prototypes]
538 | int read_gpio_dir(uchar PinNumber, uchar *pvalue)
| ^~~~~~~~~~~~~
drivers/mfd/ahc1ec0.c:585:5: warning: no previous prototype for 'write_gpio_dir' [-Wmissing-prototypes]
585 | int write_gpio_dir(uchar PinNumber, uchar value)
| ^~~~~~~~~~~~~~
drivers/mfd/ahc1ec0.c:631:5: warning: no previous prototype for 'write_hw_extend_ram' [-Wmissing-prototypes]
631 | int write_hw_extend_ram(uchar addr, uchar data)
| ^~~~~~~~~~~~~~~~~~~
drivers/mfd/ahc1ec0.c:866:5: warning: no previous prototype for 'smbus_write_byte' [-Wmissing-prototypes]
866 | int smbus_write_byte(struct EC_SMBUS_WRITE_BYTE *ptr_ec_smbus_write_byte)
| ^~~~~~~~~~~~~~~~
drivers/mfd/ahc1ec0.c:946:5: warning: no previous prototype for 'read_onekey_status' [-Wmissing-prototypes]
946 | int read_onekey_status(uchar addr, uchar *pdata)
| ^~~~~~~~~~~~~~~~~~
drivers/mfd/ahc1ec0.c:990:5: warning: no previous prototype for 'write_onekey_status' [-Wmissing-prototypes]
990 | int write_onekey_status(uchar addr)
| ^~~~~~~~~~~~~~~~~~~
drivers/mfd/ahc1ec0.c:1024:5: warning: no previous prototype for 'ec_oem_get_status' [-Wmissing-prototypes]
1024 | int ec_oem_get_status(uchar addr, uchar *pdata)
| ^~~~~~~~~~~~~~~~~
drivers/mfd/ahc1ec0.c:1076:5: warning: no previous prototype for 'ec_oem_set_status' [-Wmissing-prototypes]
1076 | int ec_oem_set_status(uchar addr, uchar pdata)
| ^~~~~~~~~~~~~~~~~
drivers/mfd/ahc1ec0.c: In function 'adv_ec_get_productname':
drivers/mfd/ahc1ec0.c:1167:13: error: implicit declaration of function 'ioremap_cache'; did you mean 'ioremap_uc'? [-Werror=implicit-function-declaration]
1167 | (char *)ioremap_cache(((unsigned int *)&uc_ptaddr[index+0x18])[0],
| ^~~~~~~~~~~~~
| ioremap_uc
>> drivers/mfd/ahc1ec0.c:1167:5: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
1167 | (char *)ioremap_cache(((unsigned int *)&uc_ptaddr[index+0x18])[0],
| ^
At top level:
drivers/mfd/ahc1ec0.c:1244:30: warning: 'adv_ec_util_cells' defined but not used [-Wunused-const-variable=]
1244 | static const struct mfd_cell adv_ec_util_cells[] = {
| ^~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors

vim +1167 drivers/mfd/ahc1ec0.c

1124
1125 static int adv_ec_get_productname(char *product)
1126 {
1127 static unsigned char *uc_ptaddr;
1128 static unsigned char *uc_epsaddr;
1129 int index = 0, eps_table;
1130 int i = 0;
1131 int length = 0;
1132 int type0_str = 0;
1133 int type1_str = 0;
1134 int is_advantech = 0;
1135
1136 uc_ptaddr = ioremap(AMI_UEFI_ADVANTECH_BOARD_NAME_ADDRESS,
1137 AMI_UEFI_ADVANTECH_BOARD_NAME_LENGTH);
1138 if (!uc_ptaddr) {
1139 pr_err("Error: ioremap_nocache()");
1140 return -ENXIO;
1141 }
1142
1143 /* Try to Read the product name from UEFI BIOS(DMI) EPS table */
1144 for (index = 0; index < AMI_UEFI_ADVANTECH_BOARD_NAME_LENGTH; index++) {
1145 if (uc_ptaddr[index] == '_'
1146 && uc_ptaddr[index+0x1] == 'S'
1147 && uc_ptaddr[index+0x2] == 'M'
1148 && uc_ptaddr[index+0x3] == '_'
1149 && uc_ptaddr[index+0x10] == '_'
1150 && uc_ptaddr[index+0x11] == 'D'
1151 && uc_ptaddr[index+0x12] == 'M'
1152 && uc_ptaddr[index+0x13] == 'I'
1153 && uc_ptaddr[index+0x14] == '_'
1154 ) {
1155 eps_table = 1;
1156 break;
1157 }
1158 }
1159
1160 /* If EPS table exist, read type1(system information) */
1161 if (eps_table) {
1162 uc_epsaddr =
1163 (char *)ioremap(((unsigned int *)&uc_ptaddr[index+0x18])[0],
1164 ((unsigned short *)&uc_ptaddr[index+0x16])[0]);
1165 if (!uc_epsaddr) {
1166 uc_epsaddr =
> 1167 (char *)ioremap_cache(((unsigned int *)&uc_ptaddr[index+0x18])[0],
1168 ((unsigned short *)&uc_ptaddr[index+0x16])[0]);
1169 if (!uc_epsaddr) {
1170 pr_err("Error: both ioremap() and ioremap_cache() exec failed!");
1171 return -ENXIO;
1172 }
1173 }
1174
1175 type0_str = (int)uc_epsaddr[1];
1176 for (i = type0_str; i < (type0_str+512); i++) {
1177 if (uc_epsaddr[i] == 0 && uc_epsaddr[i+1] == 0 && uc_epsaddr[i+2] == 1) {
1178 type1_str = i + uc_epsaddr[i+3];
1179 break;
1180 }
1181 }
1182 for (i = type1_str; i < (type1_str+512); i++) {
1183 if (!strncmp(&uc_epsaddr[i], "Advantech", 9))
1184 is_advantech = 1;
1185
1186 if (uc_epsaddr[i] == 0) {
1187 i++;
1188 type1_str = i;
1189 break;
1190 }
1191 }
1192 length = 2;
1193 while ((uc_epsaddr[type1_str + length] != 0)
1194 && (length < AMI_UEFI_ADVANTECH_BOARD_NAME_LENGTH)) {
1195 length += 1;
1196 }
1197 memmove(product, &uc_epsaddr[type1_str], length);
1198 iounmap((void *)uc_epsaddr);
1199 if (is_advantech) {
1200 iounmap((void *)uc_ptaddr);
1201 return 0;
1202 }
1203 }
1204
1205 /* It is an old BIOS, read from 0x000F0000 */
1206 for (index = 0; index < (AMI_UEFI_ADVANTECH_BOARD_NAME_LENGTH - 3); index++) {
1207 if (!strncmp(&uc_ptaddr[index], "TPC", 3)
1208 || !strncmp(&uc_ptaddr[index], "UNO", 3)
1209 || !strncmp(&uc_ptaddr[index], "ITA", 3)
1210 || !strncmp(&uc_ptaddr[index], "MIO", 3)
1211 || !strncmp(&uc_ptaddr[index], "ECU", 3)
1212 || !strncmp(&uc_ptaddr[index], "APAX", 4))
1213 break;
1214 }
1215
1216 if (index == (AMI_UEFI_ADVANTECH_BOARD_NAME_LENGTH - 3)) {
1217 pr_err("%s: Can't find the product name, line: %d", __func__, __LINE__);
1218 product[0] = '\0';
1219 iounmap((void *)uc_ptaddr);
1220 return -ENODATA;
1221 }
1222
1223 /* Use char "Space" (ASCII code: 32) to check the end of the Product Name. */
1224 for (i = 0; (uc_ptaddr[index+i] != 32) && (i < 31); i++)
1225 product[i] = uc_ptaddr[index+i];
1226
1227 product[i] = '\0';
1228 pr_info("%s: BIOS Product Name = %s, line: %d", __func__, product, __LINE__);
1229
1230 iounmap((void *)uc_ptaddr);
1231
1232 return 0;
1233 }
1234

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx

Attachment: .config.gz
Description: application/gzip

Next message: kernel test robot: "Re: [PATCH v5 2/2] PCI/ERR: Split the fatal and non-fatal error recovery handling"
Previous message: Hans de Goede: "Re: [RFC] Documentation: Add documentation for new performance_profile sysfs class"
In reply to: kernel test robot: "Re: [PATCH 3/3] mfd: ahc1ec0-wdt: Add sub-device watchdog for Advantech embedded controller"
Next in thread: kernel test robot: "Re: [PATCH 1/3] mfd: ahc1ec0: Add support for Advantech embedded controller"
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]