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dkim=pass header.d=intel.com header.s=Intel header.b=UHDOUXbN; dmarc=pass (policy=none) header.from=intel.com; spf=none (imf03.hostedemail.com: domain of lkp@intel.com has no SPF policy when checking 192.55.52.115) smtp.mailfrom=lkp@intel.com X-Rspamd-Server: rspam09 X-Rspamd-Queue-Id: E91AC20065 X-Stat-Signature: ppdxt5o3tigi68ts5pfn9646wkir7udn X-Rspam-User: X-HE-Tag: 1658536310-841335 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 18c107a1f120d095404d141dfad8f594bdc44020 commit: c86c8360959ec706576baf17237dec3004154d4b [9476/12552] arm: ioremap: Fix pci_remap_iospace() when CONFIG_MMU unset config: arm-randconfig-r036-20220721 (https://download.01.org/0day-ci/archive/20220723/202207230818.0BGT9Pmc-lkp@intel.com/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 72686d68c137551cce816416190a18d45b4d4e2a) 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 arm cross compiling tool for clang build # apt-get install binutils-arm-linux-gnueabi # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=c86c8360959ec706576baf17237dec3004154d4b git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout c86c8360959ec706576baf17237dec3004154d4b # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash drivers/pcmcia/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot All errors (new ones prefixed by >>): drivers/pcmcia/omap_cf.c:127:7: warning: variable 'control' set but not used [-Wunused-but-set-variable] u16 control; ^ >> drivers/pcmcia/omap_cf.c:240:11: error: call to undeclared function 'pci_remap_iospace'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] status = pci_remap_iospace(&iospace, cf->phys_cf + SZ_4K); ^ drivers/pcmcia/omap_cf.c:240:11: note: did you mean 'pci_remap_cfgspace'? arch/arm/include/asm/io.h:199:15: note: 'pci_remap_cfgspace' declared here void __iomem *pci_remap_cfgspace(resource_size_t res_cookie, size_t size); ^ arch/arm/include/asm/io.h:198:28: note: expanded from macro 'pci_remap_cfgspace' #define pci_remap_cfgspace pci_remap_cfgspace ^ 1 warning and 1 error generated. vim +/pci_remap_iospace +240 drivers/pcmcia/omap_cf.c f74e48a51c38f5 David Brownell 2005-09-09 195 f74e48a51c38f5 David Brownell 2005-09-09 196 /* f74e48a51c38f5 David Brownell 2005-09-09 197 * NOTE: right now the only board-specific platform_data is f74e48a51c38f5 David Brownell 2005-09-09 198 * "what chipselect is used". Boards could want more. f74e48a51c38f5 David Brownell 2005-09-09 199 */ f74e48a51c38f5 David Brownell 2005-09-09 200 b6d2cccb55b518 David Brownell 2007-04-08 201 static int __init omap_cf_probe(struct platform_device *pdev) f74e48a51c38f5 David Brownell 2005-09-09 202 { f74e48a51c38f5 David Brownell 2005-09-09 203 unsigned seg; f74e48a51c38f5 David Brownell 2005-09-09 204 struct omap_cf_socket *cf; f74e48a51c38f5 David Brownell 2005-09-09 205 int irq; f74e48a51c38f5 David Brownell 2005-09-09 206 int status; d87d44f7ab353d Arnd Bergmann 2019-08-05 207 struct resource *res; df99e7bbbec318 Arnd Bergmann 2019-08-06 208 struct resource iospace = DEFINE_RES_IO(SZ_64, SZ_4K); f74e48a51c38f5 David Brownell 2005-09-09 209 b6d2cccb55b518 David Brownell 2007-04-08 210 seg = (int) pdev->dev.platform_data; f74e48a51c38f5 David Brownell 2005-09-09 211 if (seg == 0 || seg > 3) f74e48a51c38f5 David Brownell 2005-09-09 212 return -ENODEV; f74e48a51c38f5 David Brownell 2005-09-09 213 f74e48a51c38f5 David Brownell 2005-09-09 214 /* either CFLASH.IREQ (INT_1610_CF) or some GPIO */ f74e48a51c38f5 David Brownell 2005-09-09 215 irq = platform_get_irq(pdev, 0); 489447380a2921 David Vrabel 2006-01-19 216 if (irq < 0) f74e48a51c38f5 David Brownell 2005-09-09 217 return -EINVAL; f74e48a51c38f5 David Brownell 2005-09-09 218 d87d44f7ab353d Arnd Bergmann 2019-08-05 219 res = platform_get_resource(pdev, IORESOURCE_MEM, 0); d87d44f7ab353d Arnd Bergmann 2019-08-05 220 cd86128088554d Robert P. J. Day 2006-12-13 221 cf = kzalloc(sizeof *cf, GFP_KERNEL); f74e48a51c38f5 David Brownell 2005-09-09 222 if (!cf) f74e48a51c38f5 David Brownell 2005-09-09 223 return -ENOMEM; 41760d0e0f1a01 Kees Cook 2017-10-21 224 timer_setup(&cf->timer, omap_cf_timer, 0); f74e48a51c38f5 David Brownell 2005-09-09 225 f74e48a51c38f5 David Brownell 2005-09-09 226 cf->pdev = pdev; b6d2cccb55b518 David Brownell 2007-04-08 227 platform_set_drvdata(pdev, cf); f74e48a51c38f5 David Brownell 2005-09-09 228 f74e48a51c38f5 David Brownell 2005-09-09 229 /* this primarily just shuts up irq handling noise */ dace145374b8e3 Thomas Gleixner 2006-07-01 230 status = request_irq(irq, omap_cf_irq, IRQF_SHARED, f74e48a51c38f5 David Brownell 2005-09-09 231 driver_name, cf); f74e48a51c38f5 David Brownell 2005-09-09 232 if (status < 0) f74e48a51c38f5 David Brownell 2005-09-09 233 goto fail0; f74e48a51c38f5 David Brownell 2005-09-09 234 cf->irq = irq; f74e48a51c38f5 David Brownell 2005-09-09 235 cf->socket.pci_irq = irq; d87d44f7ab353d Arnd Bergmann 2019-08-05 236 cf->phys_cf = res->start; f74e48a51c38f5 David Brownell 2005-09-09 237 f74e48a51c38f5 David Brownell 2005-09-09 238 /* pcmcia layer only remaps "real" memory */ df99e7bbbec318 Arnd Bergmann 2019-08-06 239 cf->socket.io_offset = iospace.start; df99e7bbbec318 Arnd Bergmann 2019-08-06 @240 status = pci_remap_iospace(&iospace, cf->phys_cf + SZ_4K); df99e7bbbec318 Arnd Bergmann 2019-08-06 241 if (status) { 70d3a462fc244b Wang ShaoBo 2020-11-25 242 status = -ENOMEM; f74e48a51c38f5 David Brownell 2005-09-09 243 goto fail1; 70d3a462fc244b Wang ShaoBo 2020-11-25 244 } f74e48a51c38f5 David Brownell 2005-09-09 245 70d3a462fc244b Wang ShaoBo 2020-11-25 246 if (!request_mem_region(cf->phys_cf, SZ_8K, driver_name)) { 70d3a462fc244b Wang ShaoBo 2020-11-25 247 status = -ENXIO; f74e48a51c38f5 David Brownell 2005-09-09 248 goto fail1; 70d3a462fc244b Wang ShaoBo 2020-11-25 249 } f74e48a51c38f5 David Brownell 2005-09-09 250 f74e48a51c38f5 David Brownell 2005-09-09 251 /* NOTE: CF conflicts with MMC1 */ f74e48a51c38f5 David Brownell 2005-09-09 252 omap_cfg_reg(W11_1610_CF_CD1); f74e48a51c38f5 David Brownell 2005-09-09 253 omap_cfg_reg(P11_1610_CF_CD2); f74e48a51c38f5 David Brownell 2005-09-09 254 omap_cfg_reg(R11_1610_CF_IOIS16); f74e48a51c38f5 David Brownell 2005-09-09 255 omap_cfg_reg(V10_1610_CF_IREQ); f74e48a51c38f5 David Brownell 2005-09-09 256 omap_cfg_reg(W10_1610_CF_RESET); f74e48a51c38f5 David Brownell 2005-09-09 257 030b15457d8069 Tony Lindgren 2008-07-03 258 omap_writew(~(1 << seg), CF_CFG); f74e48a51c38f5 David Brownell 2005-09-09 259 f74e48a51c38f5 David Brownell 2005-09-09 260 pr_info("%s: cs%d on irq %d\n", driver_name, seg, irq); f74e48a51c38f5 David Brownell 2005-09-09 261 f74e48a51c38f5 David Brownell 2005-09-09 262 /* CF uses armxor_ck, which is "always" available */ f74e48a51c38f5 David Brownell 2005-09-09 263 f74e48a51c38f5 David Brownell 2005-09-09 264 pr_debug("%s: sts %04x cfg %04x control %04x %s\n", driver_name, 030b15457d8069 Tony Lindgren 2008-07-03 265 omap_readw(CF_STATUS), omap_readw(CF_CFG), 030b15457d8069 Tony Lindgren 2008-07-03 266 omap_readw(CF_CONTROL), f74e48a51c38f5 David Brownell 2005-09-09 267 omap_cf_present() ? "present" : "(not present)"); f74e48a51c38f5 David Brownell 2005-09-09 268 f74e48a51c38f5 David Brownell 2005-09-09 269 cf->socket.owner = THIS_MODULE; b6d2cccb55b518 David Brownell 2007-04-08 270 cf->socket.dev.parent = &pdev->dev; f74e48a51c38f5 David Brownell 2005-09-09 271 cf->socket.ops = &omap_cf_ops; f74e48a51c38f5 David Brownell 2005-09-09 272 cf->socket.resource_ops = &pccard_static_ops; f74e48a51c38f5 David Brownell 2005-09-09 273 cf->socket.features = SS_CAP_PCCARD | SS_CAP_STATIC_MAP f74e48a51c38f5 David Brownell 2005-09-09 274 | SS_CAP_MEM_ALIGN; f74e48a51c38f5 David Brownell 2005-09-09 275 cf->socket.map_size = SZ_2K; dcb9c39236a27c David Brownell 2006-09-30 276 cf->socket.io[0].res = &cf->iomem; f74e48a51c38f5 David Brownell 2005-09-09 277 f74e48a51c38f5 David Brownell 2005-09-09 278 status = pcmcia_register_socket(&cf->socket); f74e48a51c38f5 David Brownell 2005-09-09 279 if (status < 0) f74e48a51c38f5 David Brownell 2005-09-09 280 goto fail2; f74e48a51c38f5 David Brownell 2005-09-09 281 f74e48a51c38f5 David Brownell 2005-09-09 282 cf->active = 1; f74e48a51c38f5 David Brownell 2005-09-09 283 mod_timer(&cf->timer, jiffies + POLL_INTERVAL); f74e48a51c38f5 David Brownell 2005-09-09 284 return 0; f74e48a51c38f5 David Brownell 2005-09-09 285 f74e48a51c38f5 David Brownell 2005-09-09 286 fail2: f74e48a51c38f5 David Brownell 2005-09-09 287 release_mem_region(cf->phys_cf, SZ_8K); f74e48a51c38f5 David Brownell 2005-09-09 288 fail1: f74e48a51c38f5 David Brownell 2005-09-09 289 free_irq(irq, cf); f74e48a51c38f5 David Brownell 2005-09-09 290 fail0: f74e48a51c38f5 David Brownell 2005-09-09 291 kfree(cf); f74e48a51c38f5 David Brownell 2005-09-09 292 return status; f74e48a51c38f5 David Brownell 2005-09-09 293 } f74e48a51c38f5 David Brownell 2005-09-09 294 :::::: The code at line 240 was first introduced by commit :::::: df99e7bbbec3180693b3d932a9cbc88346e2a30e ARM: omap1: use pci_remap_iospace() for omap_cf :::::: TO: Arnd Bergmann :::::: CC: Arnd Bergmann -- 0-DAY CI Kernel Test Service https://01.org/lkp