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fmviesa004.fm.intel.com with ESMTP; 13 Dec 2025 00:18:16 -0800 Received: from kbuild by d335e3c6db51 with local (Exim 4.98.2) (envelope-from ) id 1vUKpS-000000007IO-10k6; Sat, 13 Dec 2025 08:18:14 +0000 Date: Sat, 13 Dec 2025 16:17:48 +0800 From: kernel test robot To: Tiwei Bie Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Johannes Berg Subject: drivers/dma/pch_dma.c:872:34: sparse: sparse: incorrect type in assignment (different address spaces) Message-ID: <202512131636.FoMf8ZrT-lkp@intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Hi Tiwei, First bad commit (maybe != root cause): tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: a859eca0e4cc96f63ff125dbe5388d961558b0e9 commit: a0e2cb6a90634f3dc80f16e882a683ee5761b0b0 um: Add VFIO-based virtual PCI driver date: 7 months ago config: um-randconfig-r121-20251213 (https://download.01.org/0day-ci/archive/20251213/202512131636.FoMf8ZrT-lkp@intel.com/config) compiler: gcc-14 (Debian 14.2.0-19) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251213/202512131636.FoMf8ZrT-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/202512131636.FoMf8ZrT-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) drivers/dma/pch_dma.c:839:14: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct pch_dma_regs *regs @@ got void [noderef] __iomem *membase @@ drivers/dma/pch_dma.c:839:14: sparse: expected struct pch_dma_regs *regs drivers/dma/pch_dma.c:839:14: sparse: got void [noderef] __iomem *membase >> drivers/dma/pch_dma.c:872:34: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void [noderef] __iomem *membase @@ got struct pch_dma_desc_regs * @@ drivers/dma/pch_dma.c:872:34: sparse: expected void [noderef] __iomem *membase drivers/dma/pch_dma.c:872:34: sparse: got struct pch_dma_desc_regs * -- drivers/dma/hisi_dma.c:744:21: sparse: sparse: cast to restricted __le16 >> drivers/dma/hisi_dma.c:744:21: sparse: sparse: restricted __le16 degrades to integer >> drivers/dma/hisi_dma.c:744:21: sparse: sparse: restricted __le16 degrades to integer -- >> drivers/iommu/exynos-iommu.c:887:14: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] @@ got restricted __le32 [usertype] @@ drivers/iommu/exynos-iommu.c:887:14: sparse: expected unsigned int [usertype] drivers/iommu/exynos-iommu.c:887:14: sparse: got restricted __le32 [usertype] >> drivers/iommu/exynos-iommu.c:887:14: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] @@ got restricted __le32 [usertype] @@ drivers/iommu/exynos-iommu.c:887:14: sparse: expected unsigned int [usertype] drivers/iommu/exynos-iommu.c:887:14: sparse: got restricted __le32 [usertype] >> drivers/iommu/exynos-iommu.c:887:14: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] @@ got restricted __le32 [usertype] @@ drivers/iommu/exynos-iommu.c:887:14: sparse: expected unsigned int [usertype] drivers/iommu/exynos-iommu.c:887:14: sparse: got restricted __le32 [usertype] >> drivers/iommu/exynos-iommu.c:887:14: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] @@ got restricted __le32 [usertype] @@ drivers/iommu/exynos-iommu.c:887:14: sparse: expected unsigned int [usertype] drivers/iommu/exynos-iommu.c:887:14: sparse: got restricted __le32 [usertype] >> drivers/iommu/exynos-iommu.c:887:14: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] @@ got restricted __le32 [usertype] @@ drivers/iommu/exynos-iommu.c:887:14: sparse: expected unsigned int [usertype] drivers/iommu/exynos-iommu.c:887:14: sparse: got restricted __le32 [usertype] -- >> drivers/watchdog/at91rm9200_wdt.c:217:27: sparse: sparse: incorrect type in initializer (incompatible argument 2 (different address spaces)) @@ expected long ( *write )( ... ) @@ got long ( * )( ... ) @@ drivers/watchdog/at91rm9200_wdt.c:217:27: sparse: expected long ( *write )( ... ) drivers/watchdog/at91rm9200_wdt.c:217:27: sparse: got long ( * )( ... ) drivers/watchdog/at91rm9200_wdt.c: note: in included file (through include/linux/uaccess.h, include/linux/sched/task.h, include/linux/sched/signal.h, ...): arch/um/include/asm/uaccess.h:45:18: sparse: sparse: unsigned value that used to be signed checked against zero? drivers/watchdog/at91rm9200_wdt.c:162:25: sparse: signed value source arch/um/include/asm/uaccess.h:45:18: sparse: sparse: unsigned value that used to be signed checked against zero? drivers/watchdog/at91rm9200_wdt.c:162:25: sparse: signed value source arch/um/include/asm/uaccess.h:45:18: sparse: sparse: unsigned value that used to be signed checked against zero? drivers/watchdog/at91rm9200_wdt.c:162:25: sparse: signed value source arch/um/include/asm/uaccess.h:45:18: sparse: sparse: unsigned value that used to be signed checked against zero? drivers/watchdog/at91rm9200_wdt.c:162:25: sparse: signed value source arch/um/include/asm/uaccess.h:45:18: sparse: sparse: unsigned value that used to be signed checked against zero? drivers/watchdog/at91rm9200_wdt.c:162:25: sparse: signed value source -- drivers/gpu/drm/xe/xe_oa.c:2370:25: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected unsigned long long [usertype] *ptr @@ got void [noderef] __user * @@ drivers/gpu/drm/xe/xe_oa.c:2370:25: sparse: expected unsigned long long [usertype] *ptr drivers/gpu/drm/xe/xe_oa.c:2370:25: sparse: got void [noderef] __user * >> drivers/gpu/drm/xe/xe_oa.c:2383:15: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void const [noderef] __user *__p @@ got unsigned long long [usertype] *ptr @@ drivers/gpu/drm/xe/xe_oa.c:2383:15: sparse: expected void const [noderef] __user *__p drivers/gpu/drm/xe/xe_oa.c:2383:15: sparse: got unsigned long long [usertype] *ptr drivers/gpu/drm/xe/xe_oa.c: note: in included file (through include/linux/uaccess.h, include/linux/sched/task.h, include/linux/sched/signal.h, ...): arch/um/include/asm/uaccess.h:45:18: sparse: sparse: unsigned value that used to be signed checked against zero? drivers/gpu/drm/xe/xe_oa.c:325:24: sparse: signed value source arch/um/include/asm/uaccess.h:45:18: sparse: sparse: unsigned value that used to be signed checked against zero? drivers/gpu/drm/xe/xe_oa.c: note: in included file (through include/linux/string.h, include/linux/bitmap.h, include/linux/cpumask.h, ...): include/linux/err.h:41:25: sparse: signed value source drivers/gpu/drm/xe/xe_oa.c: note: in included file (through include/linux/uaccess.h, include/linux/sched/task.h, include/linux/sched/signal.h, ...): arch/um/include/asm/uaccess.h:45:18: sparse: sparse: unsigned value that used to be signed checked against zero? drivers/gpu/drm/xe/xe_oa.c:2208:23: sparse: signed value source arch/um/include/asm/uaccess.h:45:18: sparse: sparse: unsigned value that used to be signed checked against zero? drivers/gpu/drm/xe/xe_oa.c:2370:25: sparse: signed value source -- >> drivers/gpu/drm/nouveau/nvkm/core/gpuobj.c:97:22: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem *map @@ drivers/gpu/drm/nouveau/nvkm/core/gpuobj.c:97:22: sparse: expected void * drivers/gpu/drm/nouveau/nvkm/core/gpuobj.c:97:22: sparse: got void [noderef] __iomem *map drivers/gpu/drm/nouveau/nvkm/core/gpuobj.c:155:21: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void [noderef] __iomem *map @@ got void * @@ drivers/gpu/drm/nouveau/nvkm/core/gpuobj.c:155:21: sparse: expected void [noderef] __iomem *map drivers/gpu/drm/nouveau/nvkm/core/gpuobj.c:155:21: sparse: got void * drivers/gpu/drm/nouveau/nvkm/core/gpuobj.c:157:33: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/nvkm/core/gpuobj.c:157:30: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void [noderef] __iomem *map @@ got unsigned char [usertype] * @@ drivers/gpu/drm/nouveau/nvkm/core/gpuobj.c:157:30: sparse: expected void [noderef] __iomem *map drivers/gpu/drm/nouveau/nvkm/core/gpuobj.c:157:30: sparse: got unsigned char [usertype] * drivers/gpu/drm/nouveau/nvkm/core/gpuobj.c:162:22: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem *map @@ drivers/gpu/drm/nouveau/nvkm/core/gpuobj.c:162:22: sparse: expected void * drivers/gpu/drm/nouveau/nvkm/core/gpuobj.c:162:22: sparse: got void [noderef] __iomem *map -- drivers/gpu/drm/nouveau/nouveau_gem.c: note: in included file (through drivers/gpu/drm/nouveau/nouveau_drv.h): drivers/gpu/drm/nouveau/include/nvif/ioctl.h:9:1: sparse: sparse: directive in macro's argument list drivers/gpu/drm/nouveau/include/nvif/ioctl.h:10:1: sparse: sparse: directive in macro's argument list drivers/gpu/drm/nouveau/include/nvif/ioctl.h:11:1: sparse: sparse: directive in macro's argument list drivers/gpu/drm/nouveau/include/nvif/ioctl.h:12:1: sparse: sparse: directive in macro's argument list drivers/gpu/drm/nouveau/include/nvif/ioctl.h:13:1: sparse: sparse: directive in macro's argument list drivers/gpu/drm/nouveau/include/nvif/ioctl.h:14:1: sparse: sparse: directive in macro's argument list drivers/gpu/drm/nouveau/include/nvif/ioctl.h:17:1: sparse: sparse: directive in macro's argument list drivers/gpu/drm/nouveau/include/nvif/ioctl.h:18:1: sparse: sparse: directive in macro's argument list drivers/gpu/drm/nouveau/include/nvif/ioctl.h:20:1: sparse: sparse: directive in macro's argument list drivers/gpu/drm/nouveau/include/nvif/ioctl.h:21:1: sparse: sparse: directive in macro's argument list >> drivers/gpu/drm/nouveau/nouveau_gem.c:881:25: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/nouveau_gem.c:882:25: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/nouveau_gem.c:914:25: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/nouveau_gem.c:915:25: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/nouveau_gem.c:917:33: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/nouveau_gem.c: note: in included file (through include/linux/uaccess.h, include/linux/sched/task.h, include/linux/sched/signal.h, ...): arch/um/include/asm/uaccess.h:45:18: sparse: sparse: unsigned value that used to be signed checked against zero? drivers/gpu/drm/nouveau/nouveau_gem.c:947:48: sparse: signed value source -- drivers/gpu/drm/nouveau/dispnv50/corec37d.c: note: in included file (through drivers/gpu/drm/nouveau/nouveau_drv.h, drivers/gpu/drm/nouveau/nouveau_display.h, ...): drivers/gpu/drm/nouveau/include/nvif/ioctl.h:9:1: sparse: sparse: directive in macro's argument list drivers/gpu/drm/nouveau/include/nvif/ioctl.h:10:1: sparse: sparse: directive in macro's argument list drivers/gpu/drm/nouveau/include/nvif/ioctl.h:11:1: sparse: sparse: directive in macro's argument list drivers/gpu/drm/nouveau/include/nvif/ioctl.h:12:1: sparse: sparse: directive in macro's argument list drivers/gpu/drm/nouveau/include/nvif/ioctl.h:13:1: sparse: sparse: directive in macro's argument list drivers/gpu/drm/nouveau/include/nvif/ioctl.h:14:1: sparse: sparse: directive in macro's argument list drivers/gpu/drm/nouveau/include/nvif/ioctl.h:17:1: sparse: sparse: directive in macro's argument list drivers/gpu/drm/nouveau/include/nvif/ioctl.h:18:1: sparse: sparse: directive in macro's argument list drivers/gpu/drm/nouveau/include/nvif/ioctl.h:20:1: sparse: sparse: directive in macro's argument list drivers/gpu/drm/nouveau/include/nvif/ioctl.h:21:1: sparse: sparse: directive in macro's argument list >> drivers/gpu/drm/nouveau/dispnv50/corec37d.c:44:17: sparse: sparse: cast removes address space '__iomem' of expression >> drivers/gpu/drm/nouveau/dispnv50/corec37d.c:44:17: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/dispnv50/corec37d.c:61:17: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/dispnv50/corec37d.c:61:17: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/dispnv50/corec37d.c:67:9: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/dispnv50/corec37d.c:67:9: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/dispnv50/corec37d.c:67:9: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/dispnv50/corec37d.c:69:9: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/dispnv50/corec37d.c:69:9: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/dispnv50/corec37d.c:74:17: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/dispnv50/corec37d.c:74:17: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/dispnv50/corec37d.c:137:9: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/dispnv50/corec37d.c:137:9: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/dispnv50/corec37d.c:140:17: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/dispnv50/corec37d.c:140:17: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/dispnv50/corec37d.c:140:17: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/dispnv50/corec37d.c:149:17: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/dispnv50/corec37d.c:149:17: sparse: sparse: cast removes address space '__iomem' of expression -- drivers/gpu/drm/nouveau/dispnv50/headc57d.c: note: in included file (through drivers/gpu/drm/nouveau/nouveau_drv.h, drivers/gpu/drm/nouveau/nouveau_display.h, ...): drivers/gpu/drm/nouveau/include/nvif/ioctl.h:9:1: sparse: sparse: directive in macro's argument list drivers/gpu/drm/nouveau/include/nvif/ioctl.h:10:1: sparse: sparse: directive in macro's argument list drivers/gpu/drm/nouveau/include/nvif/ioctl.h:11:1: sparse: sparse: directive in macro's argument list drivers/gpu/drm/nouveau/include/nvif/ioctl.h:12:1: sparse: sparse: directive in macro's argument list drivers/gpu/drm/nouveau/include/nvif/ioctl.h:13:1: sparse: sparse: directive in macro's argument list drivers/gpu/drm/nouveau/include/nvif/ioctl.h:14:1: sparse: sparse: directive in macro's argument list drivers/gpu/drm/nouveau/include/nvif/ioctl.h:17:1: sparse: sparse: directive in macro's argument list drivers/gpu/drm/nouveau/include/nvif/ioctl.h:18:1: sparse: sparse: directive in macro's argument list drivers/gpu/drm/nouveau/include/nvif/ioctl.h:20:1: sparse: sparse: directive in macro's argument list drivers/gpu/drm/nouveau/include/nvif/ioctl.h:21:1: sparse: sparse: directive in macro's argument list >> drivers/gpu/drm/nouveau/dispnv50/headc57d.c:39:9: sparse: sparse: cast removes address space '__iomem' of expression >> drivers/gpu/drm/nouveau/dispnv50/headc57d.c:39:9: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/dispnv50/headc57d.c:68:9: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/dispnv50/headc57d.c:68:9: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/dispnv50/headc57d.c:89:9: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/dispnv50/headc57d.c:89:9: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/dispnv50/headc57d.c:106:9: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/dispnv50/headc57d.c:106:9: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/dispnv50/headc57d.c:120:9: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/dispnv50/headc57d.c:120:9: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/dispnv50/headc57d.c:120:9: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/dispnv50/headc57d.c:120:9: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/dispnv50/headc57d.c:120:9: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/dispnv50/headc57d.c:212:9: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/dispnv50/headc57d.c:212:9: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/dispnv50/headc57d.c:212:9: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/dispnv50/headc57d.c:212:9: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/dispnv50/headc57d.c:212:9: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/dispnv50/headc57d.c:229:9: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/dispnv50/headc57d.c:229:9: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/dispnv50/headc57d.c:230:9: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/dispnv50/headc57d.c:230:9: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/dispnv50/headc57d.c:232:9: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/dispnv50/headc57d.c:232:9: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/dispnv50/headc57d.c:235:9: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/dispnv50/headc57d.c:235:9: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/dispnv50/headc57d.c:239:9: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/dispnv50/headc57d.c:239:9: sparse: sparse: cast removes address space '__iomem' of expression -- drivers/gpu/drm/nouveau/nv84_fence.c: note: in included file (through drivers/gpu/drm/nouveau/nouveau_drv.h): drivers/gpu/drm/nouveau/include/nvif/ioctl.h:9:1: sparse: sparse: directive in macro's argument list drivers/gpu/drm/nouveau/include/nvif/ioctl.h:10:1: sparse: sparse: directive in macro's argument list drivers/gpu/drm/nouveau/include/nvif/ioctl.h:11:1: sparse: sparse: directive in macro's argument list drivers/gpu/drm/nouveau/include/nvif/ioctl.h:12:1: sparse: sparse: directive in macro's argument list drivers/gpu/drm/nouveau/include/nvif/ioctl.h:13:1: sparse: sparse: directive in macro's argument list drivers/gpu/drm/nouveau/include/nvif/ioctl.h:14:1: sparse: sparse: directive in macro's argument list drivers/gpu/drm/nouveau/include/nvif/ioctl.h:17:1: sparse: sparse: directive in macro's argument list drivers/gpu/drm/nouveau/include/nvif/ioctl.h:18:1: sparse: sparse: directive in macro's argument list drivers/gpu/drm/nouveau/include/nvif/ioctl.h:20:1: sparse: sparse: directive in macro's argument list drivers/gpu/drm/nouveau/include/nvif/ioctl.h:21:1: sparse: sparse: directive in macro's argument list drivers/gpu/drm/nouveau/nv84_fence.c:41:17: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/nv84_fence.c:41:17: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/nv84_fence.c:43:17: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/nv84_fence.c:43:17: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/nv84_fence.c:43:17: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/nv84_fence.c:43:17: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/nv84_fence.c:43:17: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/nv84_fence.c:43:17: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/nv84_fence.c:64:17: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/nv84_fence.c:64:17: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/nv84_fence.c:66:17: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/nv84_fence.c:66:17: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/nv84_fence.c:66:17: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/nv84_fence.c:66:17: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/nv84_fence.c:66:17: sparse: sparse: cast removes address space '__iomem' of expression >> drivers/gpu/drm/nouveau/nv84_fence.c:88:45: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct nouveau_channel *chan @@ got struct nouveau_channel [noderef] __rcu *channel @@ drivers/gpu/drm/nouveau/nv84_fence.c:88:45: sparse: expected struct nouveau_channel *chan drivers/gpu/drm/nouveau/nv84_fence.c:88:45: sparse: got struct nouveau_channel [noderef] __rcu *channel -- >> drivers/gpu/drm/loongson/lsdc_benchmark.c:27:35: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void *kptr @@ drivers/gpu/drm/loongson/lsdc_benchmark.c:27:35: sparse: expected void volatile [noderef] __iomem *addr drivers/gpu/drm/loongson/lsdc_benchmark.c:27:35: sparse: got void *kptr drivers/gpu/drm/loongson/lsdc_benchmark.c:42:51: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got void *kptr @@ drivers/gpu/drm/loongson/lsdc_benchmark.c:42:51: sparse: expected void const volatile [noderef] __iomem *addr drivers/gpu/drm/loongson/lsdc_benchmark.c:42:51: sparse: got void *kptr -- >> drivers/gpu/drm/loongson/lsdc_drv.c:235:28: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected struct lsdc_device * @@ got void [noderef] __iomem *reg_base @@ drivers/gpu/drm/loongson/lsdc_drv.c:235:28: sparse: expected struct lsdc_device * drivers/gpu/drm/loongson/lsdc_drv.c:235:28: sparse: got void [noderef] __iomem *reg_base vim +872 drivers/dma/pch_dma.c 0c42bd0e425e9c Yong Wang 2010-07-30 798 463a1f8b3ceebe Bill Pemberton 2012-11-19 799 static int pch_dma_probe(struct pci_dev *pdev, 0c42bd0e425e9c Yong Wang 2010-07-30 800 const struct pci_device_id *id) 0c42bd0e425e9c Yong Wang 2010-07-30 801 { 0c42bd0e425e9c Yong Wang 2010-07-30 802 struct pch_dma *pd; 0c42bd0e425e9c Yong Wang 2010-07-30 803 struct pch_dma_regs *regs; 0c42bd0e425e9c Yong Wang 2010-07-30 804 unsigned int nr_channels; 0c42bd0e425e9c Yong Wang 2010-07-30 805 int err; 0c42bd0e425e9c Yong Wang 2010-07-30 806 int i; 0c42bd0e425e9c Yong Wang 2010-07-30 807 0c42bd0e425e9c Yong Wang 2010-07-30 808 nr_channels = id->driver_data; 01631243d712d4 Tomoya MORINAGA 2011-10-12 809 pd = kzalloc(sizeof(*pd), GFP_KERNEL); 0c42bd0e425e9c Yong Wang 2010-07-30 810 if (!pd) 0c42bd0e425e9c Yong Wang 2010-07-30 811 return -ENOMEM; 0c42bd0e425e9c Yong Wang 2010-07-30 812 0c42bd0e425e9c Yong Wang 2010-07-30 813 pci_set_drvdata(pdev, pd); 0c42bd0e425e9c Yong Wang 2010-07-30 814 0c42bd0e425e9c Yong Wang 2010-07-30 815 err = pci_enable_device(pdev); 0c42bd0e425e9c Yong Wang 2010-07-30 816 if (err) { 0c42bd0e425e9c Yong Wang 2010-07-30 817 dev_err(&pdev->dev, "Cannot enable PCI device\n"); 0c42bd0e425e9c Yong Wang 2010-07-30 818 goto err_free_mem; 0c42bd0e425e9c Yong Wang 2010-07-30 819 } 0c42bd0e425e9c Yong Wang 2010-07-30 820 0c42bd0e425e9c Yong Wang 2010-07-30 821 if (!(pci_resource_flags(pdev, 1) & IORESOURCE_MEM)) { 0c42bd0e425e9c Yong Wang 2010-07-30 822 dev_err(&pdev->dev, "Cannot find proper base address\n"); 27abb2ffb07a70 Wei Yongjun 2013-07-17 823 err = -ENODEV; 0c42bd0e425e9c Yong Wang 2010-07-30 824 goto err_disable_pdev; 0c42bd0e425e9c Yong Wang 2010-07-30 825 } 0c42bd0e425e9c Yong Wang 2010-07-30 826 0c42bd0e425e9c Yong Wang 2010-07-30 827 err = pci_request_regions(pdev, DRV_NAME); 0c42bd0e425e9c Yong Wang 2010-07-30 828 if (err) { 0c42bd0e425e9c Yong Wang 2010-07-30 829 dev_err(&pdev->dev, "Cannot obtain PCI resources\n"); 0c42bd0e425e9c Yong Wang 2010-07-30 830 goto err_disable_pdev; 0c42bd0e425e9c Yong Wang 2010-07-30 831 } 0c42bd0e425e9c Yong Wang 2010-07-30 832 64aa8f4b6df107 Christophe JAILLET 2022-01-06 833 err = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)); 0c42bd0e425e9c Yong Wang 2010-07-30 834 if (err) { 0c42bd0e425e9c Yong Wang 2010-07-30 835 dev_err(&pdev->dev, "Cannot set proper DMA config\n"); 0c42bd0e425e9c Yong Wang 2010-07-30 836 goto err_free_res; 0c42bd0e425e9c Yong Wang 2010-07-30 837 } 0c42bd0e425e9c Yong Wang 2010-07-30 838 0c42bd0e425e9c Yong Wang 2010-07-30 839 regs = pd->membase = pci_iomap(pdev, 1, 0); 0c42bd0e425e9c Yong Wang 2010-07-30 840 if (!pd->membase) { 0c42bd0e425e9c Yong Wang 2010-07-30 841 dev_err(&pdev->dev, "Cannot map MMIO registers\n"); 0c42bd0e425e9c Yong Wang 2010-07-30 842 err = -ENOMEM; 0c42bd0e425e9c Yong Wang 2010-07-30 843 goto err_free_res; 0c42bd0e425e9c Yong Wang 2010-07-30 844 } 0c42bd0e425e9c Yong Wang 2010-07-30 845 0c42bd0e425e9c Yong Wang 2010-07-30 846 pci_set_master(pdev); 2e45676a4d33af Madhuparna Bhowmik 2020-04-16 847 pd->dma.dev = &pdev->dev; 0c42bd0e425e9c Yong Wang 2010-07-30 848 0c42bd0e425e9c Yong Wang 2010-07-30 849 err = request_irq(pdev->irq, pd_irq, IRQF_SHARED, DRV_NAME, pd); 0c42bd0e425e9c Yong Wang 2010-07-30 850 if (err) { 0c42bd0e425e9c Yong Wang 2010-07-30 851 dev_err(&pdev->dev, "Failed to request IRQ\n"); 0c42bd0e425e9c Yong Wang 2010-07-30 852 goto err_iounmap; 0c42bd0e425e9c Yong Wang 2010-07-30 853 } 0c42bd0e425e9c Yong Wang 2010-07-30 854 10c191a11c79bb Romain Perier 2017-10-23 855 pd->pool = dma_pool_create("pch_dma_desc_pool", &pdev->dev, 0c42bd0e425e9c Yong Wang 2010-07-30 856 sizeof(struct pch_dma_desc), 4, 0); 0c42bd0e425e9c Yong Wang 2010-07-30 857 if (!pd->pool) { 0c42bd0e425e9c Yong Wang 2010-07-30 858 dev_err(&pdev->dev, "Failed to alloc DMA descriptors\n"); 0c42bd0e425e9c Yong Wang 2010-07-30 859 err = -ENOMEM; 0c42bd0e425e9c Yong Wang 2010-07-30 860 goto err_free_irq; 0c42bd0e425e9c Yong Wang 2010-07-30 861 } 0c42bd0e425e9c Yong Wang 2010-07-30 862 0c42bd0e425e9c Yong Wang 2010-07-30 863 0c42bd0e425e9c Yong Wang 2010-07-30 864 INIT_LIST_HEAD(&pd->dma.channels); 0c42bd0e425e9c Yong Wang 2010-07-30 865 0c42bd0e425e9c Yong Wang 2010-07-30 866 for (i = 0; i < nr_channels; i++) { 0c42bd0e425e9c Yong Wang 2010-07-30 867 struct pch_dma_chan *pd_chan = &pd->channels[i]; 0c42bd0e425e9c Yong Wang 2010-07-30 868 0c42bd0e425e9c Yong Wang 2010-07-30 869 pd_chan->chan.device = &pd->dma; d3ee98cdcd6198 Russell King - ARM Linux 2012-03-06 870 dma_cookie_init(&pd_chan->chan); 0c42bd0e425e9c Yong Wang 2010-07-30 871 0c42bd0e425e9c Yong Wang 2010-07-30 @872 pd_chan->membase = ®s->desc[i]; 0c42bd0e425e9c Yong Wang 2010-07-30 873 0c42bd0e425e9c Yong Wang 2010-07-30 874 spin_lock_init(&pd_chan->lock); 0c42bd0e425e9c Yong Wang 2010-07-30 875 0c42bd0e425e9c Yong Wang 2010-07-30 876 INIT_LIST_HEAD(&pd_chan->active_list); 0c42bd0e425e9c Yong Wang 2010-07-30 877 INIT_LIST_HEAD(&pd_chan->queue); 0c42bd0e425e9c Yong Wang 2010-07-30 878 INIT_LIST_HEAD(&pd_chan->free_list); 0c42bd0e425e9c Yong Wang 2010-07-30 879 88ff5093ca30b7 Allen Pais 2020-08-31 880 tasklet_setup(&pd_chan->tasklet, pdc_tasklet); 0c42bd0e425e9c Yong Wang 2010-07-30 881 list_add_tail(&pd_chan->chan.device_node, &pd->dma.channels); 0c42bd0e425e9c Yong Wang 2010-07-30 882 } 0c42bd0e425e9c Yong Wang 2010-07-30 883 0c42bd0e425e9c Yong Wang 2010-07-30 884 dma_cap_zero(pd->dma.cap_mask); 0c42bd0e425e9c Yong Wang 2010-07-30 885 dma_cap_set(DMA_PRIVATE, pd->dma.cap_mask); 0c42bd0e425e9c Yong Wang 2010-07-30 886 dma_cap_set(DMA_SLAVE, pd->dma.cap_mask); 0c42bd0e425e9c Yong Wang 2010-07-30 887 0c42bd0e425e9c Yong Wang 2010-07-30 888 pd->dma.device_alloc_chan_resources = pd_alloc_chan_resources; 0c42bd0e425e9c Yong Wang 2010-07-30 889 pd->dma.device_free_chan_resources = pd_free_chan_resources; 0c42bd0e425e9c Yong Wang 2010-07-30 890 pd->dma.device_tx_status = pd_tx_status; 0c42bd0e425e9c Yong Wang 2010-07-30 891 pd->dma.device_issue_pending = pd_issue_pending; 0c42bd0e425e9c Yong Wang 2010-07-30 892 pd->dma.device_prep_slave_sg = pd_prep_slave_sg; c91781b44e2bf4 Maxime Ripard 2014-11-17 893 pd->dma.device_terminate_all = pd_device_terminate_all; 0c42bd0e425e9c Yong Wang 2010-07-30 894 0c42bd0e425e9c Yong Wang 2010-07-30 895 err = dma_async_device_register(&pd->dma); 0c42bd0e425e9c Yong Wang 2010-07-30 896 if (err) { 0c42bd0e425e9c Yong Wang 2010-07-30 897 dev_err(&pdev->dev, "Failed to register DMA device\n"); 0c42bd0e425e9c Yong Wang 2010-07-30 898 goto err_free_pool; 0c42bd0e425e9c Yong Wang 2010-07-30 899 } 0c42bd0e425e9c Yong Wang 2010-07-30 900 0c42bd0e425e9c Yong Wang 2010-07-30 901 return 0; 0c42bd0e425e9c Yong Wang 2010-07-30 902 0c42bd0e425e9c Yong Wang 2010-07-30 903 err_free_pool: 10c191a11c79bb Romain Perier 2017-10-23 904 dma_pool_destroy(pd->pool); 0c42bd0e425e9c Yong Wang 2010-07-30 905 err_free_irq: 0c42bd0e425e9c Yong Wang 2010-07-30 906 free_irq(pdev->irq, pd); 0c42bd0e425e9c Yong Wang 2010-07-30 907 err_iounmap: 0c42bd0e425e9c Yong Wang 2010-07-30 908 pci_iounmap(pdev, pd->membase); 0c42bd0e425e9c Yong Wang 2010-07-30 909 err_free_res: 0c42bd0e425e9c Yong Wang 2010-07-30 910 pci_release_regions(pdev); 0c42bd0e425e9c Yong Wang 2010-07-30 911 err_disable_pdev: 0c42bd0e425e9c Yong Wang 2010-07-30 912 pci_disable_device(pdev); 0c42bd0e425e9c Yong Wang 2010-07-30 913 err_free_mem: 12d7b7a23694b4 Alexey Khoroshilov 2015-04-11 914 kfree(pd); 0c42bd0e425e9c Yong Wang 2010-07-30 915 return err; 0c42bd0e425e9c Yong Wang 2010-07-30 916 } 0c42bd0e425e9c Yong Wang 2010-07-30 917 :::::: The code at line 872 was first introduced by commit :::::: 0c42bd0e425e9c8ddb7019fc446f7d915e36c5f6 dmaengine: Driver for Topcliff PCH DMA controller :::::: TO: Yong Wang :::::: CC: Dan Williams -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki