Messages in this thread | | | Date | Tue, 9 Mar 2021 18:04:10 +0800 | From | kernel test robot <> | Subject | drivers/video/fbdev/geode/suspend_gx.c:30:9: sparse: sparse: incorrect type in argument 2 (different address spaces) |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 144c79ef33536b4ecb4951e07dbc1f2b7fa99d32 commit: fa41f2877429646ce062a034a6d5bfc4f8f04b8c fbdev: gxfb: use generic power management date: 6 months ago config: x86_64-randconfig-s031-20210309 (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.3-262-g5e674421-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=x86_64
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/geode/suspend_gx.c:30:9: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const *from @@ got void [noderef] __iomem *gp_regs @@ drivers/video/fbdev/geode/suspend_gx.c:30:9: sparse: expected void const *from 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 *from @@ got void [noderef] __iomem *dc_regs @@ drivers/video/fbdev/geode/suspend_gx.c:31:9: sparse: expected void const *from 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 *from @@ got void [noderef] __iomem *vid_regs @@ drivers/video/fbdev/geode/suspend_gx.c:32:9: sparse: expected void const *from 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 *from @@ got void [noderef] __iomem * @@ drivers/video/fbdev/geode/suspend_gx.c:33:9: sparse: expected void const *from 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 <dilinger@queued.net> :::::: CC: Linus Torvalds <torvalds@linux-foundation.org>
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