From: kernel test robot <lkp@intel.com>
To: Frank Li <Frank.Li@nxp.com>
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev,
linux-pci@vger.kernel.org, Bjorn Helgaas <helgaas@kernel.org>
Subject: [pci:controller/dwc-cpu-addr-fixup 6/13] drivers/pci/controller/dwc/pcie-designware.c:1135:6: warning: format specifies type 'unsigned long long' but the argument has type 'resource_size_t' (aka 'unsigned int')
Date: Sun, 16 Mar 2025 08:33:00 +0800 [thread overview]
Message-ID: <202503160804.HTvWiBze-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/pci/pci.git controller/dwc-cpu-addr-fixup
head: 40b96cba38232460c691b52bbf9183f9e4d34914
commit: af175b4797cd4e3e8ff22a4e3c6924443986b797 [6/13] PCI: dwc: Add dw_pcie_parent_bus_offset() checking and debug
config: riscv-randconfig-001-20250316 (https://download.01.org/0day-ci/archive/20250316/202503160804.HTvWiBze-lkp@intel.com/config)
compiler: clang version 21.0.0git (https://github.com/llvm/llvm-project 87916f8c32ebd8e284091db9b70339df57fd1e90)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250316/202503160804.HTvWiBze-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/202503160804.HTvWiBze-lkp@intel.com/
All warnings (new ones prefixed by >>):
In file included from drivers/pci/controller/dwc/pcie-designware.c:15:
In file included from include/linux/dma/edma.h:13:
In file included from include/linux/dmaengine.h:12:
In file included from include/linux/scatterlist.h:9:
In file included from arch/riscv/include/asm/io.h:136:
include/asm-generic/io.h:804:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
804 | insb(addr, buffer, count);
| ^~~~~~~~~~~~~~~~~~~~~~~~~
arch/riscv/include/asm/io.h:104:53: note: expanded from macro 'insb'
104 | #define insb(addr, buffer, count) __insb(PCI_IOBASE + (addr), buffer, count)
| ~~~~~~~~~~ ^
In file included from drivers/pci/controller/dwc/pcie-designware.c:15:
In file included from include/linux/dma/edma.h:13:
In file included from include/linux/dmaengine.h:12:
In file included from include/linux/scatterlist.h:9:
In file included from arch/riscv/include/asm/io.h:136:
include/asm-generic/io.h:812:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
812 | insw(addr, buffer, count);
| ^~~~~~~~~~~~~~~~~~~~~~~~~
arch/riscv/include/asm/io.h:105:53: note: expanded from macro 'insw'
105 | #define insw(addr, buffer, count) __insw(PCI_IOBASE + (addr), buffer, count)
| ~~~~~~~~~~ ^
In file included from drivers/pci/controller/dwc/pcie-designware.c:15:
In file included from include/linux/dma/edma.h:13:
In file included from include/linux/dmaengine.h:12:
In file included from include/linux/scatterlist.h:9:
In file included from arch/riscv/include/asm/io.h:136:
include/asm-generic/io.h:820:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
820 | insl(addr, buffer, count);
| ^~~~~~~~~~~~~~~~~~~~~~~~~
arch/riscv/include/asm/io.h:106:53: note: expanded from macro 'insl'
106 | #define insl(addr, buffer, count) __insl(PCI_IOBASE + (addr), buffer, count)
| ~~~~~~~~~~ ^
In file included from drivers/pci/controller/dwc/pcie-designware.c:15:
In file included from include/linux/dma/edma.h:13:
In file included from include/linux/dmaengine.h:12:
In file included from include/linux/scatterlist.h:9:
In file included from arch/riscv/include/asm/io.h:136:
include/asm-generic/io.h:829:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
829 | outsb(addr, buffer, count);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
arch/riscv/include/asm/io.h:118:55: note: expanded from macro 'outsb'
118 | #define outsb(addr, buffer, count) __outsb(PCI_IOBASE + (addr), buffer, count)
| ~~~~~~~~~~ ^
In file included from drivers/pci/controller/dwc/pcie-designware.c:15:
In file included from include/linux/dma/edma.h:13:
In file included from include/linux/dmaengine.h:12:
In file included from include/linux/scatterlist.h:9:
In file included from arch/riscv/include/asm/io.h:136:
include/asm-generic/io.h:838:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
838 | outsw(addr, buffer, count);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
arch/riscv/include/asm/io.h:119:55: note: expanded from macro 'outsw'
119 | #define outsw(addr, buffer, count) __outsw(PCI_IOBASE + (addr), buffer, count)
| ~~~~~~~~~~ ^
In file included from drivers/pci/controller/dwc/pcie-designware.c:15:
In file included from include/linux/dma/edma.h:13:
In file included from include/linux/dmaengine.h:12:
In file included from include/linux/scatterlist.h:9:
In file included from arch/riscv/include/asm/io.h:136:
include/asm-generic/io.h:847:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
847 | outsl(addr, buffer, count);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
arch/riscv/include/asm/io.h:120:55: note: expanded from macro 'outsl'
120 | #define outsl(addr, buffer, count) __outsl(PCI_IOBASE + (addr), buffer, count)
| ~~~~~~~~~~ ^
In file included from drivers/pci/controller/dwc/pcie-designware.c:15:
In file included from include/linux/dma/edma.h:13:
In file included from include/linux/dmaengine.h:12:
In file included from include/linux/scatterlist.h:9:
In file included from arch/riscv/include/asm/io.h:136:
include/asm-generic/io.h:1175:55: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
1175 | return (port > MMIO_UPPER_LIMIT) ? NULL : PCI_IOBASE + port;
| ~~~~~~~~~~ ^
>> drivers/pci/controller/dwc/pcie-designware.c:1135:6: warning: format specifies type 'unsigned long long' but the argument has type 'resource_size_t' (aka 'unsigned int') [-Wformat]
1134 | dev_warn(dev, "%#010llx %s reg[%d] == %#010llx; %ps is redundant\n",
| ~~~~~~~~
| %#010x
1135 | cpu_phy_addr, reg_name, index,
| ^~~~~~~~~~~~
include/linux/dev_printk.h:156:70: note: expanded from macro 'dev_warn'
156 | dev_printk_index_wrap(_dev_warn, KERN_WARNING, dev, dev_fmt(fmt), ##__VA_ARGS__)
| ~~~ ^~~~~~~~~~~
include/linux/dev_printk.h:110:23: note: expanded from macro 'dev_printk_index_wrap'
110 | _p_func(dev, fmt, ##__VA_ARGS__); \
| ~~~ ^~~~~~~~~~~
drivers/pci/controller/dwc/pcie-designware.c:1139:6: warning: format specifies type 'unsigned long long' but the argument has type 'resource_size_t' (aka 'unsigned int') [-Wformat]
1138 | dev_warn(dev, "%#010llx %s reg[%d] != %#010llx fixed up addr; devicetree is broken\n",
| ~~~~~~~~
| %#010x
1139 | cpu_phy_addr, reg_name,
| ^~~~~~~~~~~~
include/linux/dev_printk.h:156:70: note: expanded from macro 'dev_warn'
156 | dev_printk_index_wrap(_dev_warn, KERN_WARNING, dev, dev_fmt(fmt), ##__VA_ARGS__)
| ~~~ ^~~~~~~~~~~
include/linux/dev_printk.h:110:23: note: expanded from macro 'dev_printk_index_wrap'
110 | _p_func(dev, fmt, ##__VA_ARGS__); \
| ~~~ ^~~~~~~~~~~
drivers/pci/controller/dwc/pcie-designware.c:1146:6: warning: format specifies type 'unsigned long long' but the argument has type 'resource_size_t' (aka 'unsigned int') [-Wformat]
1145 | dev_warn(dev, "devicetree has incorrect translation; please check parent \"ranges\" property. CPU physical addr %#010llx, parent bus addr %#010llx\n",
| ~~~~~~~~
| %#010x
1146 | cpu_phy_addr, reg_addr);
| ^~~~~~~~~~~~
include/linux/dev_printk.h:156:70: note: expanded from macro 'dev_warn'
156 | dev_printk_index_wrap(_dev_warn, KERN_WARNING, dev, dev_fmt(fmt), ##__VA_ARGS__)
| ~~~ ^~~~~~~~~~~
include/linux/dev_printk.h:110:23: note: expanded from macro 'dev_printk_index_wrap'
110 | _p_func(dev, fmt, ##__VA_ARGS__); \
| ~~~ ^~~~~~~~~~~
10 warnings generated.
vim +1135 drivers/pci/controller/dwc/pcie-designware.c
1109
1110 resource_size_t dw_pcie_parent_bus_offset(struct dw_pcie *pci,
1111 const char *reg_name,
1112 resource_size_t cpu_phy_addr)
1113 {
1114 struct device *dev = pci->dev;
1115 struct device_node *np = dev->of_node;
1116 int index;
1117 u64 reg_addr, fixup_addr;
1118 u64 (*fixup)(struct dw_pcie *pcie, u64 cpu_addr);
1119
1120 /* Look up reg_name address on parent bus */
1121 index = of_property_match_string(np, "reg-names", reg_name);
1122
1123 if (index < 0) {
1124 dev_err(dev, "No %s in devicetree \"reg\" property\n", reg_name);
1125 return 0;
1126 }
1127
1128 of_property_read_reg(np, index, ®_addr, NULL);
1129
1130 fixup = pci->ops->cpu_addr_fixup;
1131 if (fixup) {
1132 fixup_addr = fixup(pci, cpu_phy_addr);
1133 if (reg_addr == fixup_addr) {
1134 dev_warn(dev, "%#010llx %s reg[%d] == %#010llx; %ps is redundant\n",
> 1135 cpu_phy_addr, reg_name, index,
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
reply other threads:[~2025-03-16 0:33 UTC|newest]
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