drivers/video/fbdev/atmel_lcdfb.c:342:9: sparse: sparse: incorrect type in argument 1 (different address spaces)

From: kernel test robot
Date: Fri Dec 08 2023 - 11:35:15 EST

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tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 5e3f5b81de80c98338bcb47c233aebefee5a4801
commit: 90db9dbedd26ce029f3a0f8d2cbd3a142f452408 kasan, powerpc: don't rename memintrinsics if compiler adds prefixes
date: 9 months ago
config: powerpc-randconfig-r132-20231117 (https://download.01.org/0day-ci/archive/20231209/202312090019.Qaf0s7b7-lkp@xxxxxxxxx/config)
compiler: powerpc-linux-gcc (GCC) 13.2.0
reproduce: (https://download.01.org/0day-ci/archive/20231209/202312090019.Qaf0s7b7-lkp@xxxxxxxxx/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 <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202312090019.Qaf0s7b7-lkp@xxxxxxxxx/

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

14340586148e7c drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 316
14340586148e7c drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 317 /**
14340586148e7c drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 318 * atmel_lcdfb_alloc_video_memory - Allocate framebuffer memory
14340586148e7c drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 319 * @sinfo: the frame buffer to allocate memory for
1d01e83557105e drivers/video/atmel_lcdfb.c Krzysztof Helt 2009-07-08 320 *
1d01e83557105e drivers/video/atmel_lcdfb.c Krzysztof Helt 2009-07-08 321 * This function is called only from the atmel_lcdfb_probe()
1d01e83557105e 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.
14340586148e7c drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 323 */
14340586148e7c drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 324 static int atmel_lcdfb_alloc_video_memory(struct atmel_lcdfb_info *sinfo)
14340586148e7c drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 325 {
14340586148e7c drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 326 struct fb_info *info = sinfo->info;
14340586148e7c drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 327 struct fb_var_screeninfo *var = &info->var;
ea757acad5a518 drivers/video/atmel_lcdfb.c Haavard Skinnemoen 2008-08-12 328 unsigned int smem_len;
14340586148e7c drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 329
ea757acad5a518 drivers/video/atmel_lcdfb.c Haavard Skinnemoen 2008-08-12 330 smem_len = (var->xres_virtual * var->yres_virtual
14340586148e7c drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 331 * ((var->bits_per_pixel + 7) / 8));
ea757acad5a518 drivers/video/atmel_lcdfb.c Haavard Skinnemoen 2008-08-12 332 info->fix.smem_len = max(smem_len, sinfo->smem_len);
14340586148e7c drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 333
f6e45661f9be54 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,
f6e45661f9be54 drivers/video/fbdev/atmel_lcdfb.c Luis R. Rodriguez 2016-01-22 335 (dma_addr_t *)&info->fix.smem_start,
f6e45661f9be54 drivers/video/fbdev/atmel_lcdfb.c Luis R. Rodriguez 2016-01-22 336 GFP_KERNEL);
14340586148e7c drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 337
14340586148e7c drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 338 if (!info->screen_base) {
14340586148e7c drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 339 return -ENOMEM;
14340586148e7c drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 340 }
14340586148e7c drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 341
01d3a5e7fab773 drivers/video/atmel_lcdfb.c Haavard Skinnemoen 2008-04-28 @342 memset(info->screen_base, 0, info->fix.smem_len);
01d3a5e7fab773 drivers/video/atmel_lcdfb.c Haavard Skinnemoen 2008-04-28 343
14340586148e7c drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 344 return 0;
14340586148e7c drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 345 }
14340586148e7c 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 <hskinnemoen@xxxxxxxxx>
:::::: CC: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>

--
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https://github.com/intel/lkp-tests/wiki

Next message: Naveen N Rao: "[RFC PATCH 2/9] powerpc/ftrace: Unify 32-bit and 64-bit ftrace entry code"
Previous message: Naveen N Rao: "[RFC PATCH 0/9] powerpc: ftrace updates"
Next in thread: kernel test robot: "drivers/video/fbdev/atmel_lcdfb.c:342:9: sparse: sparse: incorrect type in argument 1 (different address spaces)"
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]