[openeuler:OLK-6.6 1834/1834] drivers/net/ethernet/huawei/bma/edma_drv/bma_pci.c:261:37: sparse: sparse: incorrect type in assignment (different address spaces)
tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 75c81bcddd82381fbd4cef477a5b56eb2fe56697 commit: f0db1bf5852542c46c16d0b305193069e265f769 [1834/1834] Huawei BMA: Adding Huawei BMA driver: host_edma_drv config: x86_64-randconfig-121-20250122 (https://download.01.org/0day-ci/archive/20250122/202501220955.ixdK6Dao-lkp@i...) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250122/202501220955.ixdK6Dao-lkp@i...) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202501220955.ixdK6Dao-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) drivers/net/ethernet/huawei/bma/edma_drv/bma_pci.c:450:17: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/edma_drv/bma_pci.c:460:9: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/edma_drv/bma_pci.c:461:9: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/edma_drv/bma_pci.c:67:5: sparse: sparse: symbol 'edma_param_get_statics' was not declared. Should it be static? drivers/net/ethernet/huawei/bma/edma_drv/bma_pci.c:103:17: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/edma_drv/bma_pci.c:114:17: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/edma_drv/bma_pci.c:125:17: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/edma_drv/bma_pci.c:185:9: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/edma_drv/bma_pci.c:192:17: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/edma_drv/bma_pci.c:201:9: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/edma_drv/bma_pci.c:214:9: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/edma_drv/bma_pci.c:251:17: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/edma_drv/bma_pci.c:259:14: sparse: sparse: cast removes address space '__iomem' of expression drivers/net/ethernet/huawei/bma/edma_drv/bma_pci.c:258:37: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void [noderef] __iomem *edma_swap_addr @@ got unsigned char * @@ drivers/net/ethernet/huawei/bma/edma_drv/bma_pci.c:258:37: sparse: expected void [noderef] __iomem *edma_swap_addr drivers/net/ethernet/huawei/bma/edma_drv/bma_pci.c:258:37: sparse: got unsigned char * drivers/net/ethernet/huawei/bma/edma_drv/bma_pci.c:262:14: sparse: sparse: cast removes address space '__iomem' of expression
drivers/net/ethernet/huawei/bma/edma_drv/bma_pci.c:261:37: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void [noderef] __iomem *veth_swap_addr @@ got unsigned char * @@ drivers/net/ethernet/huawei/bma/edma_drv/bma_pci.c:261:37: sparse: expected void [noderef] __iomem *veth_swap_addr drivers/net/ethernet/huawei/bma/edma_drv/bma_pci.c:261:37: sparse: got unsigned char * drivers/net/ethernet/huawei/bma/edma_drv/bma_pci.c:282:17: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/edma_drv/bma_pci.c:292:9: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/edma_drv/bma_pci.c:303:9: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/edma_drv/bma_pci.c:316:17: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/edma_drv/bma_pci.c:328:5: sparse: sparse: symbol 'pme_pci_enable_msi' was not declared. Should it be static? drivers/net/ethernet/huawei/bma/edma_drv/bma_pci.c:361:25: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/edma_drv/bma_pci.c:375:17: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/edma_drv/bma_pci.c:354:5: sparse: sparse: symbol 'pci_device_init' was not declared. Should it be static? drivers/net/ethernet/huawei/bma/edma_drv/bma_pci.c:399:17: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/edma_drv/bma_pci.c:405:17: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/edma_drv/bma_pci.c:412:17: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/edma_drv/bma_pci.c:383:5: sparse: sparse: symbol 'pci_device_config' was not declared. Should it be static? drivers/net/ethernet/huawei/bma/edma_drv/bma_pci.c:509:9: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/edma_drv/bma_pci.c:513:17: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/edma_drv/bma_pci.c:505:12: sparse: sparse: symbol 'bma_pci_init' was not declared. Should it be static? drivers/net/ethernet/huawei/bma/edma_drv/bma_pci.c:520:9: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/edma_drv/bma_pci.c:518:13: sparse: sparse: symbol 'bma_pci_cleanup' was not declared. Should it be static? -- drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:108:16: sparse: sparse: cast removes address space '__iomem' of expression drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:110:17: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:131:35: sparse: sparse: cast removes address space '__iomem' of expression drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:136:28: sparse: sparse: cast removes address space '__iomem' of expression drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:147:16: sparse: sparse: cast removes address space '__iomem' of expression drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:254:17: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:413:25: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:581:6: sparse: sparse: symbol 'host_dma_transfer_without_list' was not declared. Should it be static? drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:629:17: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:608:6: sparse: sparse: symbol 'host_dma_transfer_withlist' was not declared. Should it be static? drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:653:17: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:668:17: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:708:25: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:716:9: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:748:25: sparse: sparse: cast removes address space '__iomem' of expression drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:754:25: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:759:25: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:765:17: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:777:27: sparse: sparse: cast removes address space '__iomem' of expression drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:791:17: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:810:9: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:852:35: sparse: sparse: cast removes address space '__iomem' of expression drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:859:49: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:869:49: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:876:33: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:960:17: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:966:17: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:996:17: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:1046:17: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:1050:17: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:1061:9: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:1087:17: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:1102:9: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:1126:17: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:1138:17: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:1160:25: sparse: sparse: cast removes address space '__iomem' of expression drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:1162:44: sparse: sparse: cast removes address space '__iomem' of expression drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:1165:22: sparse: sparse: cast removes address space '__iomem' of expression drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:1166:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got unsigned char * @@ drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:1166:33: sparse: expected void const volatile [noderef] __iomem *addr drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:1166:33: sparse: got unsigned char * drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:1167:22: sparse: sparse: cast removes address space '__iomem' of expression drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:1167:22: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got unsigned char * @@ drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:1167:22: sparse: expected void const volatile [noderef] __iomem *addr drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:1167:22: sparse: got unsigned char * drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:1169:9: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:1175:28: sparse: sparse: cast removes address space '__iomem' of expression drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:1175:28: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@ drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:1175:28: sparse: expected void volatile [noderef] __iomem *addr drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:1175:28: sparse: got void * drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:1181:25: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:1186:25: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:1196:33: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:1200:17: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:1201:17: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:1203:17: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:1217:25: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:1218:25: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:1219:25: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:1227:36: sparse: sparse: cast removes address space '__iomem' of expression drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:1227:36: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@ drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:1227:36: sparse: expected void volatile [noderef] __iomem *addr drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:1227:36: sparse: got void * drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:1272:17: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:1282:17: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:1287:17: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:1299:17: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:1356:17: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:1372:23: sparse: sparse: cast removes address space '__iomem' of expression drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:1371:35: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void [noderef] __iomem *edma_send_addr @@ got void * @@ drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:1371:35: sparse: expected void [noderef] __iomem *edma_send_addr drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:1371:35: sparse: got void * drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:1374:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const * @@ got void [noderef] __iomem *edma_send_addr @@ drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:1374:9: sparse: expected void const * drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:1374:9: sparse: got void [noderef] __iomem *edma_send_addr drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:1374:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const * @@ got void [noderef] __iomem *edma_send_addr @@ drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:1374:9: sparse: expected void const * drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:1374:9: sparse: got void [noderef] __iomem *edma_send_addr drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:1374:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *p @@ got void [noderef] __iomem *edma_send_addr @@ drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:1374:9: sparse: expected void *p drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:1374:9: sparse: got void [noderef] __iomem *edma_send_addr drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:1377:23: sparse: sparse: cast removes address space '__iomem' of expression drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:1376:35: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void [noderef] __iomem *edma_recv_addr @@ got void * @@ drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:1376:35: sparse: expected void [noderef] __iomem *edma_recv_addr drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:1376:35: sparse: got void * drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:1380:9: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:1406:16: sparse: sparse: cast removes address space '__iomem' of expression drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:1413:9: sparse: sparse: Using plain integer as NULL pointer drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c:1442:16: sparse: sparse: cast removes address space '__iomem' of expression drivers/net/ethernet/huawei/bma/edma_drv/edma_host.c: note: in included file (through include/linux/rculist.h, include/linux/pid.h, include/linux/sched.h, ...): include/linux/list.h:83:21: sparse: sparse: self-comparison always evaluates to true
vim +261 drivers/net/ethernet/huawei/bma/edma_drv/bma_pci.c 177 178 static int ioremap_pme_bar1_mem(struct pci_dev *pdev, 179 struct bma_pci_dev_s *bma_pci_dev) 180 { 181 unsigned long bar1_resource_flag = 0; 182 u32 data = 0; 183 184 bma_pci_dev->kbox_base_len = PCI_PME_USEABLE_SPACE; 185 BMA_LOG(DLOG_DEBUG, "1710\n"); 186 187 bma_pci_dev->bma_base_phy_addr = 188 pci_resource_start(pdev, PCI_BAR1); 189 bar1_resource_flag = pci_resource_flags(pdev, PCI_BAR1); 190 191 if (!(bar1_resource_flag & IORESOURCE_MEM)) { 192 BMA_LOG(DLOG_ERROR, 193 "Cannot find proper PCI device base address, aborting\n"); 194 return -ENODEV; 195 } 196 197 bma_pci_dev->bma_base_len = pci_resource_len(pdev, PCI_BAR1); 198 bma_pci_dev->edma_swap_len = EDMA_SWAP_DATA_SIZE; 199 bma_pci_dev->veth_swap_len = VETH_SWAP_DATA_SIZE; 200 201 BMA_LOG(DLOG_DEBUG, 202 "bar1: bma_base_len = 0x%lx, edma_swap_len = %ld, veth_swap_len = %ld(0x%lx)\n", 203 bma_pci_dev->bma_base_len, bma_pci_dev->edma_swap_len, 204 bma_pci_dev->veth_swap_len, bma_pci_dev->veth_swap_len); 205 206 bma_pci_dev->hostrtc_phyaddr = bma_pci_dev->bma_base_phy_addr; 207 /* edma */ 208 bma_pci_dev->edma_swap_phy_addr = 209 bma_pci_dev->bma_base_phy_addr + EDMA_SWAP_BASE_OFFSET; 210 /* veth */ 211 bma_pci_dev->veth_swap_phy_addr = 212 bma_pci_dev->edma_swap_phy_addr + EDMA_SWAP_DATA_SIZE; 213 214 BMA_LOG(DLOG_DEBUG, 215 "bar1: hostrtc_phyaddr = 0x%lx, edma_swap_phy_addr = 0x%lx, veth_swap_phy_addr = 0x%lx\n", 216 bma_pci_dev->hostrtc_phyaddr, 217 bma_pci_dev->edma_swap_phy_addr, 218 bma_pci_dev->veth_swap_phy_addr); 219 220 __atu_config_H(pdev, 0, 221 GET_HIGH_ADDR(bma_pci_dev->kbox_base_phy_addr), 222 (bma_pci_dev->kbox_base_phy_addr & 0xffffffff), 223 0, PCI_BAR0_PME_1710, PCI_PME_USEABLE_SPACE); 224 225 __atu_config_H(pdev, 1, 226 GET_HIGH_ADDR(bma_pci_dev->hostrtc_phyaddr), 227 (bma_pci_dev->hostrtc_phyaddr & 0xffffffff), 228 0, HOSTRTC_REG_BASE, HOSTRTC_REG_SIZE); 229 230 __atu_config_H(pdev, 2, 231 GET_HIGH_ADDR(bma_pci_dev->edma_swap_phy_addr), 232 (bma_pci_dev->edma_swap_phy_addr & 0xffffffff), 233 0, EDMA_SWAP_DATA_BASE, EDMA_SWAP_DATA_SIZE); 234 235 __atu_config_H(pdev, 3, 236 GET_HIGH_ADDR(bma_pci_dev->veth_swap_phy_addr), 237 (bma_pci_dev->veth_swap_phy_addr & 0xffffffff), 238 0, VETH_SWAP_DATA_BASE, VETH_SWAP_DATA_SIZE); 239 240 if (bar1_resource_flag & IORESOURCE_CACHEABLE) { 241 bma_pci_dev->bma_base_addr = 242 ioremap(bma_pci_dev->bma_base_phy_addr, 243 bma_pci_dev->bma_base_len); 244 } else { 245 bma_pci_dev->bma_base_addr = 246 IOREMAP(bma_pci_dev->bma_base_phy_addr, 247 bma_pci_dev->bma_base_len); 248 } 249 250 if (!bma_pci_dev->bma_base_addr) { 251 BMA_LOG(DLOG_ERROR, 252 "Cannot map device registers, aborting\n"); 253 254 return -ENODEV; 255 } 256 257 bma_pci_dev->hostrtc_viraddr = bma_pci_dev->bma_base_addr; 258 bma_pci_dev->edma_swap_addr = 259 (unsigned char *)bma_pci_dev->bma_base_addr + 260 EDMA_SWAP_BASE_OFFSET;
261 bma_pci_dev->veth_swap_addr = 262 (unsigned char *)bma_pci_dev->edma_swap_addr + 263 EDMA_SWAP_DATA_SIZE; 264 265 (void)pci_read_config_dword(pdev, 0x78, &data); 266 data = data & 0xfffffff0; 267 (void)pci_write_config_dword(pdev, 0x78, data); 268 (void)pci_read_config_dword(pdev, 0x78, &data); 269 270 return 0; 271 } 272 273 static int ioremap_bar_mem(struct pci_dev *pdev, 274 struct bma_pci_dev_s *bma_pci_dev) 275 { 276 int err = 0; 277 unsigned long bar0_resource_flag = 0; 278 279 bar0_resource_flag = pci_resource_flags(pdev, PCI_BAR0); 280 281 if (!(bar0_resource_flag & IORESOURCE_MEM)) { 282 BMA_LOG(DLOG_ERROR, 283 "Cannot find proper PCI device base address, aborting\n"); 284 err = -ENODEV; 285 return err; 286 } 287 288 bma_pci_dev->kbox_base_phy_addr = pci_resource_start(pdev, PCI_BAR0); 289 290 bma_pci_dev->kbox_base_len = pci_resource_len(pdev, PCI_BAR0); 291 292 BMA_LOG(DLOG_DEBUG, 293 "bar0: kbox_base_phy_addr = 0x%lx, base_len = %ld(0x%lx)\n", 294 bma_pci_dev->kbox_base_phy_addr, bma_pci_dev->kbox_base_len, 295 bma_pci_dev->kbox_base_len); 296 297 if (PME_DEV_CHECK(pdev->device, pdev->vendor)) { 298 err = ioremap_pme_bar1_mem(pdev, bma_pci_dev); 299 if (err != 0) 300 return err; 301 } 302 303 BMA_LOG(DLOG_DEBUG, "remap BAR0 KBOX\n"); 304 305 if (bar0_resource_flag & IORESOURCE_CACHEABLE) { 306 bma_pci_dev->kbox_base_addr = 307 ioremap(bma_pci_dev->kbox_base_phy_addr, 308 bma_pci_dev->kbox_base_len); 309 } else { 310 bma_pci_dev->kbox_base_addr = 311 IOREMAP(bma_pci_dev->kbox_base_phy_addr, 312 bma_pci_dev->kbox_base_len); 313 } 314 315 if (!bma_pci_dev->kbox_base_addr) { 316 BMA_LOG(DLOG_ERROR, "Cannot map device registers, aborting\n"); 317 318 iounmap(bma_pci_dev->bma_base_addr); 319 bma_pci_dev->bma_base_addr = NULL; 320 bma_pci_dev->edma_swap_addr = NULL; 321 bma_pci_dev->hostrtc_viraddr = NULL; 322 return -ENOMEM; 323 } 324 325 return 0; 326 } 327 328 int pme_pci_enable_msi(struct pci_dev *pdev) 329 { 330 int err = 0; 331 332 pci_set_master(pdev); 333
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