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* drivers/video/fbdev/w100fb.c:772:25: sparse: expected void
@ 2020-11-13 15:30 kernel test robot
  0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2020-11-13 15:30 UTC (permalink / raw)
  To: kbuild

[-- Attachment #1: Type: text/plain, Size: 29873 bytes --]

CC: kbuild-all(a)lists.01.org
CC: linux-kernel(a)vger.kernel.org
TO: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>

Hi Bartlomiej,

First bad commit (maybe != root cause):

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   585e5b17b92dead8a3aca4e3c9876fbca5f7e0ba
commit: ee5aca2e7167ee3feccc989ad609b64e698d5eb3 video: fbdev: w100fb: add COMPILE_TEST support
date:   9 months ago
:::::: branch date: 15 hours ago
:::::: commit date: 9 months ago
config: openrisc-randconfig-s031-20201113 (attached as .config)
compiler: or1k-linux-gcc (GCC) 9.3.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # apt-get install sparse
        # sparse version: v0.6.3-107-gaf3512a6-dirty
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ee5aca2e7167ee3feccc989ad609b64e698d5eb3
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout ee5aca2e7167ee3feccc989ad609b64e698d5eb3
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=openrisc 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>


"sparse warnings: (new ones prefixed by >>)"
   drivers/video/fbdev/w100fb.c:772:25: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *addr @@     got void [noderef] <asn:2> *static [assigned] [toplevel] remapped_fbuf @@
>> drivers/video/fbdev/w100fb.c:772:25: sparse:     expected void *addr
   drivers/video/fbdev/w100fb.c:772:25: sparse:     got void [noderef] <asn:2> *static [assigned] [toplevel] remapped_fbuf
   drivers/video/fbdev/w100fb.c:774:25: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *addr @@     got void [noderef] <asn:2> *static [assigned] [toplevel] remapped_regs @@
   drivers/video/fbdev/w100fb.c:774:25: sparse:     expected void *addr
   drivers/video/fbdev/w100fb.c:774:25: sparse:     got void [noderef] <asn:2> *static [assigned] [toplevel] remapped_regs
   drivers/video/fbdev/w100fb.c:776:25: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *addr @@     got void [noderef] <asn:2> *static [assigned] [toplevel] remapped_base @@
   drivers/video/fbdev/w100fb.c:776:25: sparse:     expected void *addr
   drivers/video/fbdev/w100fb.c:776:25: sparse:     got void [noderef] <asn:2> *static [assigned] [toplevel] remapped_base
   drivers/video/fbdev/w100fb.c:795:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *addr @@     got void [noderef] <asn:2> *static [assigned] [toplevel] remapped_base @@
   drivers/video/fbdev/w100fb.c:795:17: sparse:     expected void *addr
   drivers/video/fbdev/w100fb.c:795:17: sparse:     got void [noderef] <asn:2> *static [assigned] [toplevel] remapped_base
   drivers/video/fbdev/w100fb.c:796:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *addr @@     got void [noderef] <asn:2> *static [assigned] [toplevel] remapped_regs @@
   drivers/video/fbdev/w100fb.c:796:17: sparse:     expected void *addr
   drivers/video/fbdev/w100fb.c:796:17: sparse:     got void [noderef] <asn:2> *static [assigned] [toplevel] remapped_regs
   drivers/video/fbdev/w100fb.c:797:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *addr @@     got void [noderef] <asn:2> *static [assigned] [toplevel] remapped_fbuf @@
   drivers/video/fbdev/w100fb.c:797:17: sparse:     expected void *addr
   drivers/video/fbdev/w100fb.c:797:17: sparse:     got void [noderef] <asn:2> *static [assigned] [toplevel] remapped_fbuf
   drivers/video/fbdev/w100fb.c: note: in included file (through arch/openrisc/include/asm/io.h, include/linux/fb.h):
   include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
   include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
   include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
   include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
   include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
   include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
   include/asm-generic/io.h:225:22: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected unsigned int [usertype] value @@     got restricted __le32 [usertype] @@
   include/asm-generic/io.h:225:22: sparse:     expected unsigned int [usertype] value
   include/asm-generic/io.h:225:22: sparse:     got restricted __le32 [usertype]
   include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
   include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
   include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
   include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
   include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
   include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
   include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
   include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
   include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
   include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
   include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
   include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
   include/asm-generic/io.h:225:22: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected unsigned int [usertype] value @@     got restricted __le32 [usertype] @@
   include/asm-generic/io.h:225:22: sparse:     expected unsigned int [usertype] value
   include/asm-generic/io.h:225:22: sparse:     got restricted __le32 [usertype]
   include/asm-generic/io.h:225:22: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected unsigned int [usertype] value @@     got restricted __le32 [usertype] @@
   include/asm-generic/io.h:225:22: sparse:     expected unsigned int [usertype] value
   include/asm-generic/io.h:225:22: sparse:     got restricted __le32 [usertype]
   include/asm-generic/io.h:225:22: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected unsigned int [usertype] value @@     got restricted __le32 [usertype] @@
   include/asm-generic/io.h:225:22: sparse:     expected unsigned int [usertype] value
   include/asm-generic/io.h:225:22: sparse:     got restricted __le32 [usertype]
   include/asm-generic/io.h:225:22: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected unsigned int [usertype] value @@     got restricted __le32 [usertype] @@
   include/asm-generic/io.h:225:22: sparse:     expected unsigned int [usertype] value
   include/asm-generic/io.h:225:22: sparse:     got restricted __le32 [usertype]
   include/asm-generic/io.h:225:22: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected unsigned int [usertype] value @@     got restricted __le32 [usertype] @@
   include/asm-generic/io.h:225:22: sparse:     expected unsigned int [usertype] value
   include/asm-generic/io.h:225:22: sparse:     got restricted __le32 [usertype]
   include/asm-generic/io.h:225:22: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected unsigned int [usertype] value @@     got restricted __le32 [usertype] @@
   include/asm-generic/io.h:225:22: sparse:     expected unsigned int [usertype] value
   include/asm-generic/io.h:225:22: sparse:     got restricted __le32 [usertype]
   include/asm-generic/io.h:225:22: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected unsigned int [usertype] value @@     got restricted __le32 [usertype] @@
   include/asm-generic/io.h:225:22: sparse:     expected unsigned int [usertype] value
   include/asm-generic/io.h:225:22: sparse:     got restricted __le32 [usertype]
   include/asm-generic/io.h:225:22: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected unsigned int [usertype] value @@     got restricted __le32 [usertype] @@
   include/asm-generic/io.h:225:22: sparse:     expected unsigned int [usertype] value
   include/asm-generic/io.h:225:22: sparse:     got restricted __le32 [usertype]
   include/asm-generic/io.h:225:22: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected unsigned int [usertype] value @@     got restricted __le32 [usertype] @@
   include/asm-generic/io.h:225:22: sparse:     expected unsigned int [usertype] value
   include/asm-generic/io.h:225:22: sparse:     got restricted __le32 [usertype]
   include/asm-generic/io.h:225:22: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected unsigned int [usertype] value @@     got restricted __le32 [usertype] @@
   include/asm-generic/io.h:225:22: sparse:     expected unsigned int [usertype] value
   include/asm-generic/io.h:225:22: sparse:     got restricted __le32 [usertype]
   include/asm-generic/io.h:225:22: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected unsigned int [usertype] value @@     got restricted __le32 [usertype] @@
   include/asm-generic/io.h:225:22: sparse:     expected unsigned int [usertype] value
   include/asm-generic/io.h:225:22: sparse:     got restricted __le32 [usertype]
   include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
   include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
   include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
   include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
   include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
   include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
   include/asm-generic/io.h:225:22: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected unsigned int [usertype] value @@     got restricted __le32 [usertype] @@
   include/asm-generic/io.h:225:22: sparse:     expected unsigned int [usertype] value
   include/asm-generic/io.h:225:22: sparse:     got restricted __le32 [usertype]
   include/asm-generic/io.h:225:22: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected unsigned int [usertype] value @@     got restricted __le32 [usertype] @@
   include/asm-generic/io.h:225:22: sparse:     expected unsigned int [usertype] value
   include/asm-generic/io.h:225:22: sparse:     got restricted __le32 [usertype]
   include/asm-generic/io.h:225:22: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected unsigned int [usertype] value @@     got restricted __le32 [usertype] @@
   include/asm-generic/io.h:225:22: sparse:     expected unsigned int [usertype] value
   include/asm-generic/io.h:225:22: sparse:     got restricted __le32 [usertype]
   include/asm-generic/io.h:225:22: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected unsigned int [usertype] value @@     got restricted __le32 [usertype] @@
   include/asm-generic/io.h:225:22: sparse:     expected unsigned int [usertype] value
   include/asm-generic/io.h:225:22: sparse:     got restricted __le32 [usertype]
   include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
   include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
   include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
   include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
   include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
   include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
   include/asm-generic/io.h:225:22: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected unsigned int [usertype] value @@     got restricted __le32 [usertype] @@
   include/asm-generic/io.h:225:22: sparse:     expected unsigned int [usertype] value
   include/asm-generic/io.h:225:22: sparse:     got restricted __le32 [usertype]
   include/asm-generic/io.h:225:22: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected unsigned int [usertype] value @@     got restricted __le32 [usertype] @@
   include/asm-generic/io.h:225:22: sparse:     expected unsigned int [usertype] value

vim +772 drivers/video/fbdev/w100fb.c

^1da177e4c3f415 drivers/video/w100fb.c       Linus Torvalds            2005-04-16  636  
^1da177e4c3f415 drivers/video/w100fb.c       Linus Torvalds            2005-04-16  637  
df3381071ca0ee5 drivers/video/fbdev/w100fb.c Bartlomiej Zolnierkiewicz 2020-01-16  638  static int w100fb_probe(struct platform_device *pdev)
^1da177e4c3f415 drivers/video/w100fb.c       Linus Torvalds            2005-04-16  639  {
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  640  	int err = -EIO;
^1da177e4c3f415 drivers/video/w100fb.c       Linus Torvalds            2005-04-16  641  	struct w100fb_mach_info *inf;
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  642  	struct fb_info *info = NULL;
^1da177e4c3f415 drivers/video/w100fb.c       Linus Torvalds            2005-04-16  643  	struct w100fb_par *par;
^1da177e4c3f415 drivers/video/w100fb.c       Linus Torvalds            2005-04-16  644  	struct resource *mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  645  	unsigned int chip_id;
^1da177e4c3f415 drivers/video/w100fb.c       Linus Torvalds            2005-04-16  646  
^1da177e4c3f415 drivers/video/w100fb.c       Linus Torvalds            2005-04-16  647  	if (!mem)
^1da177e4c3f415 drivers/video/w100fb.c       Linus Torvalds            2005-04-16  648  		return -EINVAL;
^1da177e4c3f415 drivers/video/w100fb.c       Linus Torvalds            2005-04-16  649  
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  650  	/* Remap the chip base address */
4bdc0d676a64314 drivers/video/fbdev/w100fb.c Christoph Hellwig         2020-01-06  651  	remapped_base = ioremap(mem->start+W100_CFG_BASE, W100_CFG_LEN);
^1da177e4c3f415 drivers/video/w100fb.c       Linus Torvalds            2005-04-16  652  	if (remapped_base == NULL)
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  653  		goto out;
^1da177e4c3f415 drivers/video/w100fb.c       Linus Torvalds            2005-04-16  654  
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  655  	/* Map the register space */
4bdc0d676a64314 drivers/video/fbdev/w100fb.c Christoph Hellwig         2020-01-06  656  	remapped_regs = ioremap(mem->start+W100_REG_BASE, W100_REG_LEN);
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  657  	if (remapped_regs == NULL)
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  658  		goto out;
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  659  
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  660  	/* Identify the chip */
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  661  	printk("Found ");
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  662  	chip_id = readl(remapped_regs + mmCHIP_ID);
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  663  	switch(chip_id) {
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  664  		case CHIP_ID_W100:  printk("w100");  break;
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  665  		case CHIP_ID_W3200: printk("w3200"); break;
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  666  		case CHIP_ID_W3220: printk("w3220"); break;
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  667  		default:
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  668  			printk("Unknown imageon chip ID\n");
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  669  			err = -ENODEV;
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  670  			goto out;
^1da177e4c3f415 drivers/video/w100fb.c       Linus Torvalds            2005-04-16  671  	}
a01fbbd52e4faf5 drivers/video/w100fb.c       Richard Purdie            2007-05-23  672  	printk(" at 0x%08lx.\n", (unsigned long) mem->start+W100_CFG_BASE);
^1da177e4c3f415 drivers/video/w100fb.c       Linus Torvalds            2005-04-16  673  
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  674  	/* Remap the framebuffer */
4bdc0d676a64314 drivers/video/fbdev/w100fb.c Christoph Hellwig         2020-01-06  675  	remapped_fbuf = ioremap(mem->start+MEM_WINDOW_BASE, MEM_WINDOW_SIZE);
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  676  	if (remapped_fbuf == NULL)
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  677  		goto out;
^1da177e4c3f415 drivers/video/w100fb.c       Linus Torvalds            2005-04-16  678  
afdd3b3c8ee63c6 drivers/video/w100fb.c       Richard Purdie            2005-11-13  679  	info=framebuffer_alloc(sizeof(struct w100fb_par), &pdev->dev);
^1da177e4c3f415 drivers/video/w100fb.c       Linus Torvalds            2005-04-16  680  	if (!info) {
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  681  		err = -ENOMEM;
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  682  		goto out;
^1da177e4c3f415 drivers/video/w100fb.c       Linus Torvalds            2005-04-16  683  	}
^1da177e4c3f415 drivers/video/w100fb.c       Linus Torvalds            2005-04-16  684  
^1da177e4c3f415 drivers/video/w100fb.c       Linus Torvalds            2005-04-16  685  	par = info->par;
3ae5eaec1d2d9c0 drivers/video/w100fb.c       Russell King              2005-11-09  686  	platform_set_drvdata(pdev, info);
^1da177e4c3f415 drivers/video/w100fb.c       Linus Torvalds            2005-04-16  687  
91f8628b7f7fe82 drivers/video/w100fb.c       Jingoo Han                2013-09-17  688  	inf = dev_get_platdata(&pdev->dev);
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  689  	par->chip_id = chip_id;
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  690  	par->mach = inf;
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  691  	par->fastpll_mode = 0;
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  692  	par->blanked = 0;
^1da177e4c3f415 drivers/video/w100fb.c       Linus Torvalds            2005-04-16  693  
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  694  	par->pll_table=w100_get_xtal_table(inf->xtal_freq);
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  695  	if (!par->pll_table) {
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  696  		printk(KERN_ERR "No matching Xtal definition found\n");
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  697  		err = -EINVAL;
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  698  		goto out;
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  699  	}
^1da177e4c3f415 drivers/video/w100fb.c       Linus Torvalds            2005-04-16  700  
6da2ec56059c3c7 drivers/video/fbdev/w100fb.c Kees Cook                 2018-06-12  701  	info->pseudo_palette = kmalloc_array(MAX_PALETTES, sizeof(u32),
6da2ec56059c3c7 drivers/video/fbdev/w100fb.c Kees Cook                 2018-06-12  702  					     GFP_KERNEL);
^1da177e4c3f415 drivers/video/w100fb.c       Linus Torvalds            2005-04-16  703  	if (!info->pseudo_palette) {
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  704  		err = -ENOMEM;
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  705  		goto out;
^1da177e4c3f415 drivers/video/w100fb.c       Linus Torvalds            2005-04-16  706  	}
^1da177e4c3f415 drivers/video/w100fb.c       Linus Torvalds            2005-04-16  707  
^1da177e4c3f415 drivers/video/w100fb.c       Linus Torvalds            2005-04-16  708  	info->fbops = &w100fb_ops;
9b0e1c5dd2941ae drivers/video/w100fb.c       Alberto Mardegan          2006-03-31  709  	info->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_COPYAREA |
9b0e1c5dd2941ae drivers/video/w100fb.c       Alberto Mardegan          2006-03-31  710  		FBINFO_HWACCEL_FILLRECT;
^1da177e4c3f415 drivers/video/w100fb.c       Linus Torvalds            2005-04-16  711  	info->node = -1;
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  712  	info->screen_base = remapped_fbuf + (W100_FB_BASE-MEM_WINDOW_BASE);
^1da177e4c3f415 drivers/video/w100fb.c       Linus Torvalds            2005-04-16  713  	info->screen_size = REMAPPED_FB_LEN;
^1da177e4c3f415 drivers/video/w100fb.c       Linus Torvalds            2005-04-16  714  
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  715  	strcpy(info->fix.id, "w100fb");
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  716  	info->fix.type = FB_TYPE_PACKED_PIXELS;
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  717  	info->fix.type_aux = 0;
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  718  	info->fix.accel = FB_ACCEL_NONE;
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  719  	info->fix.smem_start = mem->start+W100_FB_BASE;
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  720  	info->fix.mmio_start = mem->start+W100_REG_BASE;
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  721  	info->fix.mmio_len = W100_REG_LEN;
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  722  
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  723  	if (fb_alloc_cmap(&info->cmap, 256, 0) < 0) {
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  724  		err = -ENOMEM;
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  725  		goto out;
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  726  	}
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  727  
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  728  	par->mode = &inf->modelist[0];
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  729  	if(inf->init_mode & INIT_MODE_ROTATED) {
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  730  		info->var.xres = par->mode->yres;
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  731  		info->var.yres = par->mode->xres;
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  732  	}
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  733  	else {
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  734  		info->var.xres = par->mode->xres;
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  735  		info->var.yres = par->mode->yres;
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  736  	}
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  737  
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  738  	if(inf->init_mode &= INIT_MODE_FLIPPED)
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  739  		par->flip = 1;
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  740  	else
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  741  		par->flip = 0;
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  742  
^1da177e4c3f415 drivers/video/w100fb.c       Linus Torvalds            2005-04-16  743  	info->var.xres_virtual = info->var.xres;
^1da177e4c3f415 drivers/video/w100fb.c       Linus Torvalds            2005-04-16  744  	info->var.yres_virtual = info->var.yres;
^1da177e4c3f415 drivers/video/w100fb.c       Linus Torvalds            2005-04-16  745  	info->var.pixclock = 0x04;  /* 171521; */
^1da177e4c3f415 drivers/video/w100fb.c       Linus Torvalds            2005-04-16  746  	info->var.sync = 0;
^1da177e4c3f415 drivers/video/w100fb.c       Linus Torvalds            2005-04-16  747  	info->var.grayscale = 0;
^1da177e4c3f415 drivers/video/w100fb.c       Linus Torvalds            2005-04-16  748  	info->var.xoffset = info->var.yoffset = 0;
^1da177e4c3f415 drivers/video/w100fb.c       Linus Torvalds            2005-04-16  749  	info->var.accel_flags = 0;
^1da177e4c3f415 drivers/video/w100fb.c       Linus Torvalds            2005-04-16  750  	info->var.activate = FB_ACTIVATE_NOW;
^1da177e4c3f415 drivers/video/w100fb.c       Linus Torvalds            2005-04-16  751  
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  752  	w100_hw_init(par);
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  753  
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  754  	if (w100fb_check_var(&info->var, info) < 0) {
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  755  		err = -EINVAL;
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  756  		goto out;
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  757  	}
^1da177e4c3f415 drivers/video/w100fb.c       Linus Torvalds            2005-04-16  758  
^1da177e4c3f415 drivers/video/w100fb.c       Linus Torvalds            2005-04-16  759  	if (register_framebuffer(info) < 0) {
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  760  		err = -EINVAL;
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  761  		goto out;
^1da177e4c3f415 drivers/video/w100fb.c       Linus Torvalds            2005-04-16  762  	}
^1da177e4c3f415 drivers/video/w100fb.c       Linus Torvalds            2005-04-16  763  
31b6780c15a4e3a drivers/video/w100fb.c       Joe Perches               2013-09-19  764  	fb_info(info, "%s frame buffer device\n", info->fix.id);
^1da177e4c3f415 drivers/video/w100fb.c       Linus Torvalds            2005-04-16  765  	return 0;
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  766  out:
8224c3b166db81a drivers/video/w100fb.c       Andrew Morton             2008-04-28  767  	if (info) {
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  768  		fb_dealloc_cmap(&info->cmap);
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  769  		kfree(info->pseudo_palette);
8224c3b166db81a drivers/video/w100fb.c       Andrew Morton             2008-04-28  770  	}
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  771  	if (remapped_fbuf != NULL)
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06 @772  		iounmap(remapped_fbuf);
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  773  	if (remapped_regs != NULL)
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  774  		iounmap(remapped_regs);
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  775  	if (remapped_base != NULL)
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  776  		iounmap(remapped_base);
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  777  	if (info)
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  778  		framebuffer_release(info);
aac51f09d96a0ac drivers/video/w100fb.c       Richard Purdie            2005-09-06  779  	return err;
^1da177e4c3f415 drivers/video/w100fb.c       Linus Torvalds            2005-04-16  780  }
^1da177e4c3f415 drivers/video/w100fb.c       Linus Torvalds            2005-04-16  781  

:::::: The code at line 772 was first introduced by commit
:::::: aac51f09d96a0acfb73c1d1c0796358bb47ea07b [PATCH] w100fb: Rewrite for platform independence

:::::: TO: Richard Purdie <rpurdie@rpsys.net>
:::::: CC: Linus Torvalds <torvalds@g5.osdl.org>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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2020-11-13 15:30 drivers/video/fbdev/w100fb.c:772:25: sparse: expected void kernel test robot

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