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(envelope-from ) id 1rAKKp-0008Gp-1Y; Tue, 05 Dec 2023 01:34:52 +0000 Date: Tue, 5 Dec 2023 09:34:11 +0800 From: kernel test robot To: Marco Elver Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Andrew Morton , Linux Memory Management List Subject: drivers/video/fbdev/atmel_lcdfb.c:342:9: sparse: sparse: incorrect type in argument 1 (different address spaces) Message-ID: <202312050953.VqnvoTk8-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-Rspamd-Server: rspam09 X-Rspamd-Queue-Id: 0EF9C40004 X-Stat-Signature: 6ikm5ujr81ca3nf5norh7z3w7sh1wafa X-Rspam-User: X-HE-Tag: 1701740099-914714 X-HE-Meta: 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powerpc-randconfig-r132-20231117 (https://download.01.org/0day-ci/archive/20231205/202312050953.VqnvoTk8-lkp@intel.com/config) compiler: powerpc-linux-gcc (GCC) 13.2.0 reproduce: (https://download.01.org/0day-ci/archive/20231205/202312050953.VqnvoTk8-lkp@intel.com/reproduce) 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 | Closes: https://lore.kernel.org/oe-kbuild-all/202312050953.VqnvoTk8-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) drivers/video/fbdev/atmel_lcdfb.c:334:27: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected char [noderef] __iomem *screen_base @@ got void * @@ drivers/video/fbdev/atmel_lcdfb.c:334:27: sparse: expected char [noderef] __iomem *screen_base drivers/video/fbdev/atmel_lcdfb.c:334:27: sparse: got void * drivers/video/fbdev/atmel_lcdfb.c:342:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const * @@ got char [noderef] __iomem *screen_base @@ drivers/video/fbdev/atmel_lcdfb.c:342:9: sparse: expected void const * drivers/video/fbdev/atmel_lcdfb.c:342:9: sparse: got char [noderef] __iomem *screen_base drivers/video/fbdev/atmel_lcdfb.c:342:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const * @@ got char [noderef] __iomem *screen_base @@ drivers/video/fbdev/atmel_lcdfb.c:342:9: sparse: expected void const * drivers/video/fbdev/atmel_lcdfb.c:342:9: sparse: got char [noderef] __iomem *screen_base >> drivers/video/fbdev/atmel_lcdfb.c:342:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *p @@ got char [noderef] __iomem *screen_base @@ drivers/video/fbdev/atmel_lcdfb.c:342:9: sparse: expected void *p drivers/video/fbdev/atmel_lcdfb.c:342:9: sparse: got char [noderef] __iomem *screen_base drivers/video/fbdev/atmel_lcdfb.c: note: in included file (through include/linux/mmzone.h, include/linux/gfp.h, include/linux/xarray.h, ...): include/linux/page-flags.h:246:46: sparse: sparse: self-comparison always evaluates to false drivers/video/fbdev/atmel_lcdfb.c:313:59: sparse: sparse: incorrect type in argument 3 (different address spaces) @@ expected void *cpu_addr @@ got char [noderef] __iomem *screen_base @@ drivers/video/fbdev/atmel_lcdfb.c:313:59: sparse: expected void *cpu_addr drivers/video/fbdev/atmel_lcdfb.c:313:59: sparse: got char [noderef] __iomem *screen_base drivers/video/fbdev/atmel_lcdfb.c:313:59: sparse: sparse: incorrect type in argument 3 (different address spaces) @@ expected void *cpu_addr @@ got char [noderef] __iomem *screen_base @@ drivers/video/fbdev/atmel_lcdfb.c:313:59: sparse: expected void *cpu_addr drivers/video/fbdev/atmel_lcdfb.c:313:59: sparse: got char [noderef] __iomem *screen_base -- drivers/mtd/nand/raw/hisi504_nand.c:362:26: sparse: sparse: cast removes address space '__iomem' of expression drivers/mtd/nand/raw/hisi504_nand.c:367:26: sparse: sparse: cast removes address space '__iomem' of expression drivers/mtd/nand/raw/hisi504_nand.c:465:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const * @@ got void [noderef] __iomem *mmio @@ drivers/mtd/nand/raw/hisi504_nand.c:465:17: sparse: expected void const * drivers/mtd/nand/raw/hisi504_nand.c:465:17: sparse: got void [noderef] __iomem *mmio drivers/mtd/nand/raw/hisi504_nand.c:465:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const * @@ got void [noderef] __iomem *mmio @@ drivers/mtd/nand/raw/hisi504_nand.c:465:17: sparse: expected void const * drivers/mtd/nand/raw/hisi504_nand.c:465:17: sparse: got void [noderef] __iomem *mmio >> drivers/mtd/nand/raw/hisi504_nand.c:465:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *p @@ got void [noderef] __iomem *mmio @@ drivers/mtd/nand/raw/hisi504_nand.c:465:17: sparse: expected void *p drivers/mtd/nand/raw/hisi504_nand.c:465:17: sparse: got void [noderef] __iomem *mmio drivers/mtd/nand/raw/hisi504_nand.c:477:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const * @@ got void [noderef] __iomem *mmio @@ drivers/mtd/nand/raw/hisi504_nand.c:477:17: sparse: expected void const * drivers/mtd/nand/raw/hisi504_nand.c:477:17: sparse: got void [noderef] __iomem *mmio drivers/mtd/nand/raw/hisi504_nand.c:477:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const * @@ got void [noderef] __iomem *mmio @@ drivers/mtd/nand/raw/hisi504_nand.c:477:17: sparse: expected void const * drivers/mtd/nand/raw/hisi504_nand.c:477:17: sparse: got void [noderef] __iomem *mmio drivers/mtd/nand/raw/hisi504_nand.c:477:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *p @@ got void [noderef] __iomem *mmio @@ drivers/mtd/nand/raw/hisi504_nand.c:477:17: sparse: expected void *p drivers/mtd/nand/raw/hisi504_nand.c:477:17: sparse: got void [noderef] __iomem *mmio drivers/mtd/nand/raw/hisi504_nand.c:603:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const * @@ got void [noderef] __iomem *mmio @@ drivers/mtd/nand/raw/hisi504_nand.c:603:9: sparse: expected void const * drivers/mtd/nand/raw/hisi504_nand.c:603:9: sparse: got void [noderef] __iomem *mmio drivers/mtd/nand/raw/hisi504_nand.c:603:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const * @@ got void [noderef] __iomem *mmio @@ drivers/mtd/nand/raw/hisi504_nand.c:603:9: sparse: expected void const * drivers/mtd/nand/raw/hisi504_nand.c:603:9: sparse: got void [noderef] __iomem *mmio drivers/mtd/nand/raw/hisi504_nand.c:603:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *p @@ got void [noderef] __iomem *mmio @@ drivers/mtd/nand/raw/hisi504_nand.c:603:9: sparse: expected void *p drivers/mtd/nand/raw/hisi504_nand.c:603:9: sparse: got void [noderef] __iomem *mmio drivers/mtd/nand/raw/hisi504_nand.c: note: in included file (through include/linux/mmzone.h, include/linux/gfp.h, include/linux/xarray.h, ...): include/linux/page-flags.h:246:46: sparse: sparse: self-comparison always evaluates to false vim +342 drivers/video/fbdev/atmel_lcdfb.c 14340586148e7c8 drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 316 14340586148e7c8 drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 317 /** 14340586148e7c8 drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 318 * atmel_lcdfb_alloc_video_memory - Allocate framebuffer memory 14340586148e7c8 drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 319 * @sinfo: the frame buffer to allocate memory for 1d01e83557105e7 drivers/video/atmel_lcdfb.c Krzysztof Helt 2009-07-08 320 * 1d01e83557105e7 drivers/video/atmel_lcdfb.c Krzysztof Helt 2009-07-08 321 * This function is called only from the atmel_lcdfb_probe() 1d01e83557105e7 drivers/video/atmel_lcdfb.c Krzysztof Helt 2009-07-08 322 * so no locking by fb_info->mm_lock around smem_len setting is needed. 14340586148e7c8 drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 323 */ 14340586148e7c8 drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 324 static int atmel_lcdfb_alloc_video_memory(struct atmel_lcdfb_info *sinfo) 14340586148e7c8 drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 325 { 14340586148e7c8 drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 326 struct fb_info *info = sinfo->info; 14340586148e7c8 drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 327 struct fb_var_screeninfo *var = &info->var; ea757acad5a5183 drivers/video/atmel_lcdfb.c Haavard Skinnemoen 2008-08-12 328 unsigned int smem_len; 14340586148e7c8 drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 329 ea757acad5a5183 drivers/video/atmel_lcdfb.c Haavard Skinnemoen 2008-08-12 330 smem_len = (var->xres_virtual * var->yres_virtual 14340586148e7c8 drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 331 * ((var->bits_per_pixel + 7) / 8)); ea757acad5a5183 drivers/video/atmel_lcdfb.c Haavard Skinnemoen 2008-08-12 332 info->fix.smem_len = max(smem_len, sinfo->smem_len); 14340586148e7c8 drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 333 f6e45661f9be546 drivers/video/fbdev/atmel_lcdfb.c Luis R. Rodriguez 2016-01-22 334 info->screen_base = dma_alloc_wc(info->device, info->fix.smem_len, f6e45661f9be546 drivers/video/fbdev/atmel_lcdfb.c Luis R. Rodriguez 2016-01-22 335 (dma_addr_t *)&info->fix.smem_start, f6e45661f9be546 drivers/video/fbdev/atmel_lcdfb.c Luis R. Rodriguez 2016-01-22 336 GFP_KERNEL); 14340586148e7c8 drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 337 14340586148e7c8 drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 338 if (!info->screen_base) { 14340586148e7c8 drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 339 return -ENOMEM; 14340586148e7c8 drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 340 } 14340586148e7c8 drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 341 01d3a5e7fab7732 drivers/video/atmel_lcdfb.c Haavard Skinnemoen 2008-04-28 @342 memset(info->screen_base, 0, info->fix.smem_len); 01d3a5e7fab7732 drivers/video/atmel_lcdfb.c Haavard Skinnemoen 2008-04-28 343 14340586148e7c8 drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 344 return 0; 14340586148e7c8 drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 345 } 14340586148e7c8 drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 346 :::::: The code at line 342 was first introduced by commit :::::: 01d3a5e7fab7732cfc5d5d4533e9378ea435295a atmel_lcdfb: don't initialize a pre-allocated framebuffer :::::: TO: Haavard Skinnemoen :::::: CC: Linus Torvalds -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki