7:31 p.m.
tree:
https://github.com/0day-ci/linux/commits/UPDATE-20200521-054700/Krzysztof...
head: ba7ef1e97861cc12a3504eb041305fc1049d7049
commit: ba7ef1e97861cc12a3504eb041305fc1049d7049 [1/1] PCI: Move from using
PCI_BRIDGE_RESOURCES to bridge resource definitions
config: x86_64-allyesconfig (attached as .config)
compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project
3393cc4cebf9969db94dc424b7a2b6195589c33b)
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
# install x86_64 cross compiling tool for clang build
# apt-get install binutils-x86-64-linux-gnu
git checkout ba7ef1e97861cc12a3504eb041305fc1049d7049
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot <lkp(a)intel.com>
All errors (new ones prefixed by >>, old ones prefixed by <<):
> drivers/pci/setup-bus.c:1189:2: error: use of undeclared
identifier 'mmio1_res'
mmio1_res->start = pci_cardbus_mem_size;
^
drivers/pci/setup-bus.c:1190:2: error: use of undeclared identifier 'mmio1_res'
mmio1_res->end = b_res->start + b_res_3_size - 1;
^
drivers/pci/setup-bus.c:1191:2: error: use of undeclared identifier 'mmio1_res'
mmio1_res->flags |= IORESOURCE_MEM | IORESOURCE_STARTALIGN;
^
3 errors generated.
vim +/mmio1_res +1189 drivers/pci/setup-bus.c
1108
1109 static void pci_bus_size_cardbus(struct pci_bus *bus,
1110 struct list_head *realloc_head)
1111 {
1112 struct pci_dev *bridge = bus->self;
1113 struct resource *b_res;
1114 resource_size_t b_res_3_size = pci_cardbus_mem_size * 2;
1115 u16 ctrl;
1116
1117 b_res = &bridge->resource[PCI_CB_BRIDGE_IO_0_WINDOW];
1118 if (b_res->parent)
1119 goto handle_b_res_1;
1120 /*
1121 * Reserve some resources for CardBus. We reserve a fixed amount
1122 * of bus space for CardBus bridges.
1123 */
1124 b_res->start = pci_cardbus_io_size;
1125 b_res->end = b_res->start + pci_cardbus_io_size - 1;
1126 b_res->flags |= IORESOURCE_IO | IORESOURCE_STARTALIGN;
1127 if (realloc_head) {
1128 b_res->end -= pci_cardbus_io_size;
1129 add_to_list(realloc_head, bridge, b_res, pci_cardbus_io_size,
1130 pci_cardbus_io_size);
1131 }
1132
1133 handle_b_res_1:
1134 b_res = &bridge->resource[PCI_CB_BRIDGE_IO_1_WINDOW];
1135 if (b_res->parent)
1136 goto handle_b_res_2;
1137 b_res->start = pci_cardbus_io_size;
1138 b_res->end = b_res->start + pci_cardbus_io_size - 1;
1139 b_res->flags |= IORESOURCE_IO | IORESOURCE_STARTALIGN;
1140 if (realloc_head) {
1141 b_res->end -= pci_cardbus_io_size;
1142 add_to_list(realloc_head, bridge, b_res, pci_cardbus_io_size,
1143 pci_cardbus_io_size);
1144 }
1145
1146 handle_b_res_2:
1147 /* MEM1 must not be pref MMIO */
1148 pci_read_config_word(bridge, PCI_CB_BRIDGE_CONTROL, &ctrl);
1149 if (ctrl & PCI_CB_BRIDGE_CTL_PREFETCH_MEM1) {
1150 ctrl &= ~PCI_CB_BRIDGE_CTL_PREFETCH_MEM1;
1151 pci_write_config_word(bridge, PCI_CB_BRIDGE_CONTROL, ctrl);
1152 pci_read_config_word(bridge, PCI_CB_BRIDGE_CONTROL, &ctrl);
1153 }
1154
1155 /* Check whether prefetchable memory is supported by this bridge. */
1156 pci_read_config_word(bridge, PCI_CB_BRIDGE_CONTROL, &ctrl);
1157 if (!(ctrl & PCI_CB_BRIDGE_CTL_PREFETCH_MEM0)) {
1158 ctrl |= PCI_CB_BRIDGE_CTL_PREFETCH_MEM0;
1159 pci_write_config_word(bridge, PCI_CB_BRIDGE_CONTROL, ctrl);
1160 pci_read_config_word(bridge, PCI_CB_BRIDGE_CONTROL, &ctrl);
1161 }
1162
1163 b_res = &bridge->resource[PCI_CB_BRIDGE_MEM_0_WINDOW];
1164 if (b_res->parent)
1165 goto handle_b_res_3;
1166 /*
1167 * If we have prefetchable memory support, allocate two regions.
1168 * Otherwise, allocate one region of twice the size.
1169 */
1170 if (ctrl & PCI_CB_BRIDGE_CTL_PREFETCH_MEM0) {
1171 b_res->start = pci_cardbus_mem_size;
1172 b_res->end = b_res->start + pci_cardbus_mem_size - 1;
1173 b_res->flags |= IORESOURCE_MEM | IORESOURCE_PREFETCH |
1174 IORESOURCE_STARTALIGN;
1175 if (realloc_head) {
1176 b_res->end -= pci_cardbus_mem_size;
1177 add_to_list(realloc_head, bridge, b_res,
1178 pci_cardbus_mem_size, pci_cardbus_mem_size);
1179 }
1180
1181 /* Reduce that to half */
1182 b_res_3_size = pci_cardbus_mem_size;
1183 }
1184
1185 handle_b_res_3:
1186 b_res = &bridge->resource[PCI_CB_BRIDGE_MEM_1_WINDOW];
1187 if (b_res->parent)
1188 goto handle_done;
1189 mmio1_res->start = pci_cardbus_mem_size;
1190 mmio1_res->end = b_res->start + b_res_3_size - 1;
1191 mmio1_res->flags |= IORESOURCE_MEM | IORESOURCE_STARTALIGN;
1192 if (realloc_head) {
1193 b_res->end -= b_res_3_size;
1194 add_to_list(realloc_head, bridge, b_res, b_res_3_size,
1195 pci_cardbus_mem_size);
1196 }
1197
1198 handle_done:
1199 ;
1200 }
1201
---
0-DAY CI Kernel Test Service, Intel Corporation
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