* Re: [RFC PATCH] driver core: platform: Call iommu_release_device in dma_cleanup
[not found] <20240829120504.2976612-1-sachinparekh@google.com>
@ 2024-09-01 13:49 ` kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2024-09-01 13:49 UTC (permalink / raw)
To: Sachin Parekh; +Cc: llvm, oe-kbuild-all
Hi Sachin,
[This is a private test report for your RFC patch.]
kernel test robot noticed the following build errors:
[auto build test ERROR on driver-core/driver-core-testing]
[also build test ERROR on driver-core/driver-core-next driver-core/driver-core-linus linus/master v6.11-rc6 next-20240830]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Sachin-Parekh/driver-core-platform-Call-iommu_release_device-in-dma_cleanup/20240829-200729
base: driver-core/driver-core-testing
patch link: https://lore.kernel.org/r/20240829120504.2976612-1-sachinparekh%40google.com
patch subject: [RFC PATCH] driver core: platform: Call iommu_release_device in dma_cleanup
config: um-allnoconfig (https://download.01.org/0day-ci/archive/20240901/202409012129.wNTAUtIZ-lkp@intel.com/config)
compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240901/202409012129.wNTAUtIZ-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 <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202409012129.wNTAUtIZ-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from drivers/base/platform.c:15:
In file included from include/linux/of_irq.h:7:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:14:
In file included from arch/um/include/asm/io.h:24:
include/asm-generic/io.h:548:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
548 | val = __raw_readb(PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:561:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
561 | val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
| ~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu'
37 | #define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
| ^
In file included from drivers/base/platform.c:15:
In file included from include/linux/of_irq.h:7:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:14:
In file included from arch/um/include/asm/io.h:24:
include/asm-generic/io.h:574:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
574 | val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
| ~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu'
35 | #define __le32_to_cpu(x) ((__force __u32)(__le32)(x))
| ^
In file included from drivers/base/platform.c:15:
In file included from include/linux/of_irq.h:7:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:14:
In file included from arch/um/include/asm/io.h:24:
include/asm-generic/io.h:585:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
585 | __raw_writeb(value, PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:595:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
595 | __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:605:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
605 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:693:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
693 | readsb(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:701:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
701 | readsw(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:709:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
709 | readsl(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:718:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
718 | writesb(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:727:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
727 | writesw(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:736:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
736 | writesl(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
>> drivers/base/platform.c:1472:3: error: call to undeclared function 'iommu_release_device'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
1472 | iommu_release_device(dev);
| ^
drivers/base/platform.c:1472:3: note: did you mean 'iommu_detach_device'?
include/linux/iommu.h:1115:20: note: 'iommu_detach_device' declared here
1115 | static inline void iommu_detach_device(struct iommu_domain *domain,
| ^
12 warnings and 1 error generated.
vim +/iommu_release_device +1472 drivers/base/platform.c
1463
1464 static void platform_dma_cleanup(struct device *dev)
1465 {
1466 struct platform_driver *drv = to_platform_driver(dev->driver);
1467
1468 if (!drv->driver_managed_dma)
1469 iommu_device_unuse_default_domain(dev);
1470
1471 if (dev_of_node(dev))
> 1472 iommu_release_device(dev);
1473 }
1474
--
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