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Date: Wed, 26 Oct 2022 08:40:27 +0800
From: kernel test robot <lkp@...el.com>
To: Manisha Chinthapally <manisha.chinthapally@...el.com>
Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [mchinth:socwatch_linux_6_0 1/1]
drivers/platform/x86/sepdk/sep/pci.c:654:1: sparse: sparse: function
'PCI_Read_From_Memory_Address_U64' with external linkage has definition
tree: https://github.com/mchinth/linux socwatch_linux_6_0
head: 32b2f1b19c12122a110fa6b673c000ef6bd5ee8b
commit: 32b2f1b19c12122a110fa6b673c000ef6bd5ee8b [1/1] SEP/SOCPERF drivers updated to 5.36
config: i386-randconfig-s041-20221024
compiler: gcc-11 (Debian 11.3.0-8) 11.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.4-39-gce1a6720-dirty
# https://github.com/mchinth/linux/commit/32b2f1b19c12122a110fa6b673c000ef6bd5ee8b
git remote add mchinth https://github.com/mchinth/linux
git fetch --no-tags mchinth socwatch_linux_6_0
git checkout 32b2f1b19c12122a110fa6b673c000ef6bd5ee8b
# save the config file
mkdir build_dir && cp config build_dir/.config
make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=i386 SHELL=/bin/bash drivers/platform/x86/sepdk/sep/ drivers/platform/x86/socperf/
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
sparse warnings: (new ones prefixed by >>)
drivers/platform/x86/sepdk/sep/pci.c:109:1: sparse: sparse: function 'PCI_Initialize' with external linkage has definition
drivers/platform/x86/sepdk/sep/pci.c:172:1: sparse: sparse: function 'PCI_Cleanup' with external linkage has definition
drivers/platform/x86/sepdk/sep/pci.c:201:1: sparse: sparse: function 'PCI_Find_DVSEC_Capability_BAR' with external linkage has definition
drivers/platform/x86/sepdk/sep/pci.c:268:1: sparse: sparse: function 'PCI_Read_U32' with external linkage has definition
drivers/platform/x86/sepdk/sep/pci.c:307:1: sparse: sparse: function 'PCI_Read_U32_Valid' with external linkage has definition
drivers/platform/x86/sepdk/sep/pci.c:358:1: sparse: sparse: function 'PCI_Read_U64' with external linkage has definition
drivers/platform/x86/sepdk/sep/pci.c:400:1: sparse: sparse: function 'PCI_Read_U64_Valid' with external linkage has definition
drivers/platform/x86/sepdk/sep/pci.c:456:1: sparse: sparse: function 'PCI_Write_U32' with external linkage has definition
drivers/platform/x86/sepdk/sep/pci.c:505:1: sparse: sparse: function 'PCI_Write_U64' with external linkage has definition
drivers/platform/x86/sepdk/sep/pci.c:553:1: sparse: sparse: function 'PCI_Read_From_Memory_Address' with external linkage has definition
drivers/platform/x86/sepdk/sep/pci.c:604:1: sparse: sparse: function 'PCI_Write_To_Memory_Address' with external linkage has definition
>> drivers/platform/x86/sepdk/sep/pci.c:654:1: sparse: sparse: function 'PCI_Read_From_Memory_Address_U64' with external linkage has definition
>> drivers/platform/x86/sepdk/sep/pci.c:706:1: sparse: sparse: function 'PCI_Write_To_Memory_Address_U64' with external linkage has definition
drivers/platform/x86/sepdk/sep/pci.c:756:1: sparse: sparse: function 'PCI_Map_Memory' with external linkage has definition
drivers/platform/x86/sepdk/sep/pci.c:799:1: sparse: sparse: function 'PCI_Unmap_Memory' with external linkage has definition
drivers/platform/x86/sepdk/sep/pci.c:837:1: sparse: sparse: function 'PCI_MMIO_Read_U32' with external linkage has definition
drivers/platform/x86/sepdk/sep/pci.c:875:1: sparse: sparse: function 'PCI_MMIO_Read_U64' with external linkage has definition
drivers/platform/x86/sepdk/sep/pci.c:914:1: sparse: sparse: function 'PCI_MMIO_Write_U32' with external linkage has definition
drivers/platform/x86/sepdk/sep/pci.c:952:1: sparse: sparse: function 'PCI_MMIO_Write_U64' with external linkage has definition
drivers/platform/x86/sepdk/sep/pci.c:49:16: sparse: sparse: symbol 'pci_buses' was not declared. Should it be static?
drivers/platform/x86/sepdk/sep/pci.c:571:14: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void *[usertype] base @@ got void [noderef] __iomem * @@
drivers/platform/x86/sepdk/sep/pci.c:571:14: sparse: expected void *[usertype] base
drivers/platform/x86/sepdk/sep/pci.c:571:14: sparse: got void [noderef] __iomem *
drivers/platform/x86/sepdk/sep/pci.c:579:28: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got void * @@
drivers/platform/x86/sepdk/sep/pci.c:579:28: sparse: expected void const volatile [noderef] __iomem *addr
drivers/platform/x86/sepdk/sep/pci.c:579:28: sparse: got void *
drivers/platform/x86/sepdk/sep/pci.c:585:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void *[usertype] base @@
drivers/platform/x86/sepdk/sep/pci.c:585:17: sparse: expected void volatile [noderef] __iomem *addr
drivers/platform/x86/sepdk/sep/pci.c:585:17: sparse: got void *[usertype] base
drivers/platform/x86/sepdk/sep/pci.c:623:14: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void *[usertype] base @@ got void [noderef] __iomem * @@
drivers/platform/x86/sepdk/sep/pci.c:623:14: sparse: expected void *[usertype] base
drivers/platform/x86/sepdk/sep/pci.c:623:14: sparse: got void [noderef] __iomem *
drivers/platform/x86/sepdk/sep/pci.c:631:26: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@
drivers/platform/x86/sepdk/sep/pci.c:631:26: sparse: expected void volatile [noderef] __iomem *addr
drivers/platform/x86/sepdk/sep/pci.c:631:26: sparse: got void *
drivers/platform/x86/sepdk/sep/pci.c:635:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void *[usertype] base @@
drivers/platform/x86/sepdk/sep/pci.c:635:17: sparse: expected void volatile [noderef] __iomem *addr
drivers/platform/x86/sepdk/sep/pci.c:635:17: sparse: got void *[usertype] base
drivers/platform/x86/sepdk/sep/pci.c:674:14: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void *[usertype] base @@ got void [noderef] __iomem * @@
drivers/platform/x86/sepdk/sep/pci.c:674:14: sparse: expected void *[usertype] base
drivers/platform/x86/sepdk/sep/pci.c:674:14: sparse: got void [noderef] __iomem *
drivers/platform/x86/sepdk/sep/pci.c:681:27: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got void * @@
drivers/platform/x86/sepdk/sep/pci.c:681:27: sparse: expected void const volatile [noderef] __iomem *addr
drivers/platform/x86/sepdk/sep/pci.c:681:27: sparse: got void *
drivers/platform/x86/sepdk/sep/pci.c:686:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void *[usertype] base @@
drivers/platform/x86/sepdk/sep/pci.c:686:17: sparse: expected void volatile [noderef] __iomem *addr
drivers/platform/x86/sepdk/sep/pci.c:686:17: sparse: got void *[usertype] base
drivers/platform/x86/sepdk/sep/pci.c:726:14: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void *[usertype] base @@ got void [noderef] __iomem * @@
drivers/platform/x86/sepdk/sep/pci.c:726:14: sparse: expected void *[usertype] base
drivers/platform/x86/sepdk/sep/pci.c:726:14: sparse: got void [noderef] __iomem *
drivers/platform/x86/sepdk/sep/pci.c:733:26: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@
drivers/platform/x86/sepdk/sep/pci.c:733:26: sparse: expected void volatile [noderef] __iomem *addr
drivers/platform/x86/sepdk/sep/pci.c:733:26: sparse: got void *
drivers/platform/x86/sepdk/sep/pci.c:736:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void *[usertype] base @@
drivers/platform/x86/sepdk/sep/pci.c:736:17: sparse: expected void volatile [noderef] __iomem *addr
drivers/platform/x86/sepdk/sep/pci.c:736:17: sparse: got void *[usertype] base
drivers/platform/x86/sepdk/sep/pci.c:768:13: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected unsigned char [usertype] *res @@ got void [noderef] __iomem * @@
drivers/platform/x86/sepdk/sep/pci.c:768:13: sparse: expected unsigned char [usertype] *res
drivers/platform/x86/sepdk/sep/pci.c:768:13: sparse: got void [noderef] __iomem *
drivers/platform/x86/sepdk/sep/pci.c:810:34: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@
drivers/platform/x86/sepdk/sep/pci.c:810:34: sparse: expected void volatile [noderef] __iomem *addr
drivers/platform/x86/sepdk/sep/pci.c:810:34: sparse: got void *
--
>> drivers/platform/x86/sepdk/sep/unc_mmio.c:49:34: sparse: sparse: symbol 'regbar_physical_address' was not declared. Should it be static?
vim +/PCI_Read_From_Memory_Address_U64 +654 drivers/platform/x86/sepdk/sep/pci.c
640
641 /* ------------------------------------------------------------------------- */
642 /*!
643 * @fn extern int PCI_Read_From_Memory_Address_U64(addr, val)
644 *
645 * @param addr - physical address in mmio
646 * @param *value - value at this address
647 *
648 * @return status
649 *
650 * @brief Read memory mapped i/o physical location
651 *
652 */
653 extern int
> 654 PCI_Read_From_Memory_Address_U64 (
655 U64 addr,
656 U64 *val
657 )
658 {
659 U64 aligned_addr, offset, value;
660 PVOID base;
661
662 SEP_DRV_LOG_TRACE_IN("Addr: %llx, val_pointer: %p.", addr, val);
663
664 if (addr <= 0) {
665 SEP_DRV_LOG_ERROR_TRACE_OUT("OS_INVALID (addr <= 0!).");
666 return OS_INVALID;
667 }
668
669 SEP_DRV_LOG_TRACE("Preparing to reading physical address: %llx.", addr);
670 offset = addr & ~PAGE_MASK;
671 aligned_addr = addr & PAGE_MASK;
672 SEP_DRV_LOG_TRACE("Aligned physical address: %llx, offset: %llx.", aligned_addr, offset);
673
674 base = ioremap(aligned_addr, PAGE_SIZE);
675 if (base == NULL) {
676 SEP_DRV_LOG_ERROR_TRACE_OUT("OS_INVALID (mapping failed!).");
677 return OS_INVALID;
678 }
679
680 SEP_DRV_LOG_REGISTER_IN("Will read PCI address %u (mapped at %p).", addr, base + offset);
681 value = readl(base+offset);
682 SEP_DRV_LOG_REGISTER_OUT("Read PCI address %u (mapped at %p): %llx.", addr, base + offset, value);
683
684 *val = value;
685
686 iounmap(base);
687
688 SEP_DRV_LOG_TRACE_OUT("OS_SUCCESS.");
689 return OS_SUCCESS;
690 }
691
692
693 /* ------------------------------------------------------------------------- */
694 /*!
695 * @fn extern int PCI_Write_To_Memory_Address_U64(addr, val)
696 *
697 * @param addr - physical address in mmio
698 * @param value - value to be written
699 *
700 * @return status
701 *
702 * @brief Write to memory mapped i/o physical location
703 *
704 */
705 extern int
> 706 PCI_Write_To_Memory_Address_U64 (
707 U64 addr,
708 U64 val
709 )
710 {
711 U64 aligned_addr, offset;
712 PVOID base;
713
714 SEP_DRV_LOG_TRACE_IN("Addr: %llx, val: %llx.", addr, val);
715
716 if (addr <= 0) {
717 SEP_DRV_LOG_ERROR_TRACE_OUT("OS_INVALID (addr <= 0!).");
718 return OS_INVALID;
719 }
720
721 SEP_DRV_LOG_TRACE("Preparing to writing physical address: %llx (val: %llx).", addr, val);
722 offset = addr & ~PAGE_MASK;
723 aligned_addr = addr & PAGE_MASK;
724 SEP_DRV_LOG_TRACE("Aligned physical address: %llx, offset: %llx (val: %llx).", aligned_addr, offset, val);
725
726 base = ioremap(aligned_addr, PAGE_SIZE);
727 if (base == NULL) {
728 SEP_DRV_LOG_ERROR_TRACE_OUT("OS_INVALID (mapping failed!).");
729 return OS_INVALID;
730 }
731
732 SEP_DRV_LOG_REGISTER_IN("Will write PCI address %u (mapped at %p): %llx.", addr, base + offset, val);
733 writel(val, base + offset);
734 SEP_DRV_LOG_REGISTER_OUT("Wrote PCI address %u (mapped at %p): %llx.", addr, base + offset, val);
735
736 iounmap(base);
737
738 SEP_DRV_LOG_TRACE_OUT("OS_SUCCESS.");
739 return OS_SUCCESS;
740 }
741
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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