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Message-ID: <202411010605.6YPlxVeu-lkp@intel.com>
Date: Fri, 1 Nov 2024 06:39:55 +0800
From: kernel test robot <lkp@...el.com>
To: Richard Zhu <hongxing.zhu@....com>, l.stach@...gutronix.de,
bhelgaas@...gle.com, lpieralisi@...nel.org, kw@...ux.com,
manivannan.sadhasivam@...aro.org, robh@...nel.org,
krzk+dt@...nel.org, conor+dt@...nel.org, shawnguo@...nel.org,
frank.li@....com, s.hauer@...gutronix.de, festevam@...il.com
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
imx@...ts.linux.dev, kernel@...gutronix.de,
linux-pci@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
Richard Zhu <hongxing.zhu@....com>, Frank Li <Frank.Li@....com>
Subject: Re: [PATCH v5 02/10] PCI: imx6: Add ref clock for i.MX95 PCIe
Hi Richard,
kernel test robot noticed the following build warnings:
[auto build test WARNING on pci/next]
[also build test WARNING on pci/for-linus shawnguo/for-next mani-mhi/mhi-next linus/master v6.12-rc5 next-20241031]
[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/Richard-Zhu/dt-bindings-imx6q-pcie-Add-ref-clock-for-i-MX95-PCIe-RC/20241031-160000
base: https://git.kernel.org/pub/scm/linux/kernel/git/pci/pci.git next
patch link: https://lore.kernel.org/r/20241031080655.3879139-3-hongxing.zhu%40nxp.com
patch subject: [PATCH v5 02/10] PCI: imx6: Add ref clock for i.MX95 PCIe
config: um-allmodconfig (https://download.01.org/0day-ci/archive/20241101/202411010605.6YPlxVeu-lkp@intel.com/config)
compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project 639a7ac648f1e50ccd2556e17d401c04f9cce625)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241101/202411010605.6YPlxVeu-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202411010605.6YPlxVeu-lkp@intel.com/
All warnings (new ones prefixed by >>):
In file included from drivers/pci/controller/dwc/pci-imx6.c:21:
In file included from include/linux/of_address.h:7:
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/pci/controller/dwc/pci-imx6.c:21:
In file included from include/linux/of_address.h:7:
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/pci/controller/dwc/pci-imx6.c:21:
In file included from include/linux/of_address.h:7:
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);
| ~~~~~~~~~~ ^
In file included from drivers/pci/controller/dwc/pci-imx6.c:22:
In file included from include/linux/pci.h:1645:
In file included from include/linux/dmapool.h:14:
In file included from include/linux/scatterlist.h:8:
In file included from include/linux/mm.h:2213:
include/linux/vmstat.h:518:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
518 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
| ~~~~~~~~~~~ ^ ~~~
>> drivers/pci/controller/dwc/pci-imx6.c:1490:27: warning: unused variable 'imx95_ext_osc_clks' [-Wunused-const-variable]
1490 | static const char * const imx95_ext_osc_clks[] = {"pcie_bus", "pcie", "pcie_phy", "pcie_aux"};
| ^~~~~~~~~~~~~~~~~~
14 warnings generated.
Kconfig warnings: (for reference only)
WARNING: unmet direct dependencies detected for MODVERSIONS
Depends on [n]: MODULES [=y] && !COMPILE_TEST [=y]
Selected by [y]:
- RANDSTRUCT_FULL [=y] && (CC_HAS_RANDSTRUCT [=y] || GCC_PLUGINS [=n]) && MODULES [=y]
WARNING: unmet direct dependencies detected for GET_FREE_REGION
Depends on [n]: SPARSEMEM [=n]
Selected by [m]:
- RESOURCE_KUNIT_TEST [=m] && RUNTIME_TESTING_MENU [=y] && KUNIT [=m]
vim +/imx95_ext_osc_clks +1490 drivers/pci/controller/dwc/pci-imx6.c
1483
1484 static const char * const imx6q_clks[] = {"pcie_bus", "pcie", "pcie_phy"};
1485 static const char * const imx8mm_clks[] = {"pcie_bus", "pcie", "pcie_aux"};
1486 static const char * const imx8mq_clks[] = {"pcie_bus", "pcie", "pcie_phy", "pcie_aux"};
1487 static const char * const imx6sx_clks[] = {"pcie_bus", "pcie", "pcie_phy", "pcie_inbound_axi"};
1488 static const char * const imx8q_clks[] = {"mstr", "slv", "dbi"};
1489 static const char * const imx95_clks[] = {"pcie_bus", "pcie", "pcie_phy", "pcie_aux", "ref"};
> 1490 static const char * const imx95_ext_osc_clks[] = {"pcie_bus", "pcie", "pcie_phy", "pcie_aux"};
1491
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https://github.com/intel/lkp-tests/wiki
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