tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 2023a53bdf41b7646b1d384b6816af06309f73a5 commit: fa41f2877429646ce062a034a6d5bfc4f8f04b8c fbdev: gxfb: use generic power management date: 7 months ago config: i386-randconfig-s002-20210405 (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.3-279-g6d5d9b42-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=fa41f2877429646ce062a034a6d5bfc4f8f04b8c git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout fa41f2877429646ce062a034a6d5bfc4f8f04b8c # save the attached .config to linux build tree make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=i386
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <l...@intel.com>
sparse warnings: (new ones prefixed by >>)
>> drivers/video/fbdev/geode/suspend_gx.c:30:9: sparse: sparse: incorrect type
>> in argument 2 (different address spaces) @@ expected void const * @@
>> got void [noderef] __iomem *gp_regs @@
drivers/video/fbdev/geode/suspend_gx.c:30:9: sparse: expected void const
*
drivers/video/fbdev/geode/suspend_gx.c:30:9: sparse: got void [noderef]
__iomem *gp_regs
>> drivers/video/fbdev/geode/suspend_gx.c:31:9: sparse: sparse: incorrect type
>> in argument 2 (different address spaces) @@ expected void const * @@
>> got void [noderef] __iomem *dc_regs @@
drivers/video/fbdev/geode/suspend_gx.c:31:9: sparse: expected void const
*
drivers/video/fbdev/geode/suspend_gx.c:31:9: sparse: got void [noderef]
__iomem *dc_regs
>> drivers/video/fbdev/geode/suspend_gx.c:32:9: sparse: sparse: incorrect type
>> in argument 2 (different address spaces) @@ expected void const * @@
>> got void [noderef] __iomem *vid_regs @@
drivers/video/fbdev/geode/suspend_gx.c:32:9: sparse: expected void const
*
drivers/video/fbdev/geode/suspend_gx.c:32:9: sparse: got void [noderef]
__iomem *vid_regs
>> drivers/video/fbdev/geode/suspend_gx.c:33:9: sparse: sparse: incorrect type
>> in argument 2 (different address spaces) @@ expected void const * @@
>> got void [noderef] __iomem * @@
drivers/video/fbdev/geode/suspend_gx.c:33:9: sparse: expected void const
*
drivers/video/fbdev/geode/suspend_gx.c:33:9: sparse: got void [noderef]
__iomem *
vim +30 drivers/video/fbdev/geode/suspend_gx.c
46fb6f110dfc3f drivers/video/geode/suspend_gx.c Andres Salomon 2008-04-28 13
46fb6f110dfc3f drivers/video/geode/suspend_gx.c Andres Salomon 2008-04-28 14
static void gx_save_regs(struct gxfb_par *par)
46fb6f110dfc3f drivers/video/geode/suspend_gx.c Andres Salomon 2008-04-28 15 {
46fb6f110dfc3f drivers/video/geode/suspend_gx.c Andres Salomon 2008-04-28 16
int i;
46fb6f110dfc3f drivers/video/geode/suspend_gx.c Andres Salomon 2008-04-28 17
46fb6f110dfc3f drivers/video/geode/suspend_gx.c Andres Salomon 2008-04-28 18
/* wait for the BLT engine to stop being busy */
46fb6f110dfc3f drivers/video/geode/suspend_gx.c Andres Salomon 2008-04-28 19
do {
46fb6f110dfc3f drivers/video/geode/suspend_gx.c Andres Salomon 2008-04-28 20
i = read_gp(par, GP_BLT_STATUS);
46fb6f110dfc3f drivers/video/geode/suspend_gx.c Andres Salomon 2008-04-28 21
} while (i & (GP_BLT_STATUS_BLT_PENDING | GP_BLT_STATUS_BLT_BUSY));
46fb6f110dfc3f drivers/video/geode/suspend_gx.c Andres Salomon 2008-04-28 22
46fb6f110dfc3f drivers/video/geode/suspend_gx.c Andres Salomon 2008-04-28 23
/* save MSRs */
46fb6f110dfc3f drivers/video/geode/suspend_gx.c Andres Salomon 2008-04-28 24
rdmsrl(MSR_GX_MSR_PADSEL, par->msr.padsel);
46fb6f110dfc3f drivers/video/geode/suspend_gx.c Andres Salomon 2008-04-28 25
rdmsrl(MSR_GLCP_DOTPLL, par->msr.dotpll);
46fb6f110dfc3f drivers/video/geode/suspend_gx.c Andres Salomon 2008-04-28 26
46fb6f110dfc3f drivers/video/geode/suspend_gx.c Andres Salomon 2008-04-28 27
write_dc(par, DC_UNLOCK, DC_UNLOCK_UNLOCK);
46fb6f110dfc3f drivers/video/geode/suspend_gx.c Andres Salomon 2008-04-28 28
46fb6f110dfc3f drivers/video/geode/suspend_gx.c Andres Salomon 2008-04-28 29
/* save registers */
46fb6f110dfc3f drivers/video/geode/suspend_gx.c Andres Salomon 2008-04-28 @30
memcpy(par->gp, par->gp_regs, sizeof(par->gp));
46fb6f110dfc3f drivers/video/geode/suspend_gx.c Andres Salomon 2008-04-28 @31
memcpy(par->dc, par->dc_regs, sizeof(par->dc));
46fb6f110dfc3f drivers/video/geode/suspend_gx.c Andres Salomon 2008-04-28 @32
memcpy(par->vp, par->vid_regs, sizeof(par->vp));
46fb6f110dfc3f drivers/video/geode/suspend_gx.c Andres Salomon 2008-04-28 @33
memcpy(par->fp, par->vid_regs + VP_FP_START, sizeof(par->fp));
46fb6f110dfc3f drivers/video/geode/suspend_gx.c Andres Salomon 2008-04-28 34
46fb6f110dfc3f drivers/video/geode/suspend_gx.c Andres Salomon 2008-04-28 35
/* save the palette */
46fb6f110dfc3f drivers/video/geode/suspend_gx.c Andres Salomon 2008-04-28 36
write_dc(par, DC_PAL_ADDRESS, 0);
46fb6f110dfc3f drivers/video/geode/suspend_gx.c Andres Salomon 2008-04-28 37
for (i = 0; i < ARRAY_SIZE(par->pal); i++)
46fb6f110dfc3f drivers/video/geode/suspend_gx.c Andres Salomon 2008-04-28 38
par->pal[i] = read_dc(par, DC_PAL_DATA);
46fb6f110dfc3f drivers/video/geode/suspend_gx.c Andres Salomon 2008-04-28 39 }
46fb6f110dfc3f drivers/video/geode/suspend_gx.c Andres Salomon 2008-04-28 40
:::::: The code at line 30 was first introduced by commit
:::::: 46fb6f110dfc3fc99f44cf701f66ea3e790b6a81 gxfb: add power management
functionality
:::::: TO: Andres Salomon <dilin...@queued.net>
:::::: CC: Linus Torvalds <torva...@linux-foundation.org>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
.config.gz
Description: application/gzip
