Re: [PATCH v2 2/4] PCI: dwc: Remove unused of_gpio.h

kernel test robot
2024-04-23T23:43:18Z

Hi Andy,

kernel test robot noticed the following build errors:

[auto build test ERROR on pci/next]
[also build test ERROR on pci/for-linus mani-mhi/mhi-next linus/master v6.9-rc5 next-20240423]
[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/Andy-Shevchenko/PCI-aardvark-Remove-unused-of_gpio-h/20240424-012448
base: https://git.kernel.org/pub/scm/linux/kernel/git/pci/pci.git next
patch link: https://lore.kernel.org/r/20240423172208.2723892-3-andriy.shevchenko%40linux.intel.com
patch subject: [PATCH v2 2/4] PCI: dwc: Remove unused of_gpio.h
config: s390-allmodconfig (https://download.01.org/0day-ci/archive/20240424/202404240725.Jlvuk7P3-lkp@intel.com/config)
compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project 5ef5eb66fb428aaf61fb51b709f065c069c11242)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240424/202404240725.Jlvuk7P3-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/202404240725.Jlvuk7P3-lkp@intel.com/

All errors (new ones prefixed by >>):

In file included from drivers/pci/controller/dwc/pci-dra7xx.c:12:
In file included from include/linux/device.h:32:
In file included from include/linux/device/driver.h:21:
In file included from include/linux/module.h:19:
In file included from include/linux/elf.h:6:
In file included from arch/s390/include/asm/elf.h:173:
In file included from arch/s390/include/asm/mmu_context.h:11:
In file included from arch/s390/include/asm/pgalloc.h:18:
In file included from include/linux/mm.h:2208:
include/linux/vmstat.h:508:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
508 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
| ~~~~~~~~~~~~~~~~~~~~~ ^
509 | item];
| ~~~~
include/linux/vmstat.h:515:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
515 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
| ~~~~~~~~~~~~~~~~~~~~~ ^
516 | NR_VM_NUMA_EVENT_ITEMS +
| ~~~~~~~~~~~~~~~~~~~~~~
include/linux/vmstat.h:522:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
522 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
| ~~~~~~~~~~~ ^ ~~~
include/linux/vmstat.h:527:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
527 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
| ~~~~~~~~~~~~~~~~~~~~~ ^
528 | NR_VM_NUMA_EVENT_ITEMS +
| ~~~~~~~~~~~~~~~~~~~~~~
include/linux/vmstat.h:536:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
536 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
| ~~~~~~~~~~~~~~~~~~~~~ ^
537 | NR_VM_NUMA_EVENT_ITEMS +
| ~~~~~~~~~~~~~~~~~~~~~~
In file included from drivers/pci/controller/dwc/pci-dra7xx.c:15:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/s390/include/asm/io.h:78:
include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
547 | val = __raw_readb(PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:560:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
560 | val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
| ~~~~~~~~~~ ^
include/uapi/linux/byteorder/big_endian.h:37:59: note: expanded from macro '__le16_to_cpu'
37 | #define __le16_to_cpu(x) __swab16((__force __u16)(__le16)(x))
| ^
include/uapi/linux/swab.h:102:54: note: expanded from macro '__swab16'
102 | #define __swab16(x) (__u16)__builtin_bswap16((__u16)(x))
| ^
In file included from drivers/pci/controller/dwc/pci-dra7xx.c:15:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/s390/include/asm/io.h:78:
include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
573 | val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
| ~~~~~~~~~~ ^
include/uapi/linux/byteorder/big_endian.h:35:59: note: expanded from macro '__le32_to_cpu'
35 | #define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x))
| ^
include/uapi/linux/swab.h:115:54: note: expanded from macro '__swab32'
115 | #define __swab32(x) (__u32)__builtin_bswap32((__u32)(x))
| ^
In file included from drivers/pci/controller/dwc/pci-dra7xx.c:15:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/s390/include/asm/io.h:78:
include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
584 | __raw_writeb(value, PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:594:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
594 | __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:604:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
604 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:692:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
692 | readsb(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:700:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
700 | readsw(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:708:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
708 | readsl(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:717:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
717 | writesb(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:726:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
726 | writesw(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:735:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
735 | writesl(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
>> drivers/pci/controller/dwc/pci-dra7xx.c:262:2: error: call to undeclared function 'chained_irq_enter'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
262 | chained_irq_enter(chip, desc);
| ^
>> drivers/pci/controller/dwc/pci-dra7xx.c:284:2: error: call to undeclared function 'chained_irq_exit'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
284 | chained_irq_exit(chip, desc);
| ^
17 warnings and 2 errors generated.

vim +/chained_irq_enter +262 drivers/pci/controller/dwc/pci-dra7xx.c

47ff3de911a728 drivers/pci/host/pci-dra7xx.c Kishon Vijay Abraham I 2014-07-22 252
9a5595ab21a9d1 drivers/pci/controller/dwc/pci-dra7xx.c Vignesh Raghavendra 2020-03-27 253 static void dra7xx_pcie_msi_irq_handler(struct irq_desc *desc)
47ff3de911a728 drivers/pci/host/pci-dra7xx.c Kishon Vijay Abraham I 2014-07-22 254 {
9a5595ab21a9d1 drivers/pci/controller/dwc/pci-dra7xx.c Vignesh Raghavendra 2020-03-27 255 struct irq_chip *chip = irq_desc_get_chip(desc);
9a5595ab21a9d1 drivers/pci/controller/dwc/pci-dra7xx.c Vignesh Raghavendra 2020-03-27 256 struct dra7xx_pcie *dra7xx;
60b3c27fb9b92b drivers/pci/controller/dwc/pci-dra7xx.c Serge Semin 2022-06-24 257 struct dw_pcie_rp *pp;
9a5595ab21a9d1 drivers/pci/controller/dwc/pci-dra7xx.c Vignesh Raghavendra 2020-03-27 258 struct dw_pcie *pci;
09b2d20349e37a drivers/pci/dwc/pci-dra7xx.c Vignesh R 2017-12-29 259 unsigned long reg;
d21faba11693c1 drivers/pci/controller/dwc/pci-dra7xx.c Marc Zyngier 2021-08-02 260 u32 bit;
47ff3de911a728 drivers/pci/host/pci-dra7xx.c Kishon Vijay Abraham I 2014-07-22 261
9a5595ab21a9d1 drivers/pci/controller/dwc/pci-dra7xx.c Vignesh Raghavendra 2020-03-27 @262 chained_irq_enter(chip, desc);
9a5595ab21a9d1 drivers/pci/controller/dwc/pci-dra7xx.c Vignesh Raghavendra 2020-03-27 263
9a5595ab21a9d1 drivers/pci/controller/dwc/pci-dra7xx.c Vignesh Raghavendra 2020-03-27 264 pp = irq_desc_get_handler_data(desc);
9a5595ab21a9d1 drivers/pci/controller/dwc/pci-dra7xx.c Vignesh Raghavendra 2020-03-27 265 pci = to_dw_pcie_from_pp(pp);
9a5595ab21a9d1 drivers/pci/controller/dwc/pci-dra7xx.c Vignesh Raghavendra 2020-03-27 266 dra7xx = to_dra7xx_pcie(pci);
9a5595ab21a9d1 drivers/pci/controller/dwc/pci-dra7xx.c Vignesh Raghavendra 2020-03-27 267
47ff3de911a728 drivers/pci/host/pci-dra7xx.c Kishon Vijay Abraham I 2014-07-22 268 reg = dra7xx_pcie_readl(dra7xx, PCIECTRL_DRA7XX_CONF_IRQSTATUS_MSI);
9a5595ab21a9d1 drivers/pci/controller/dwc/pci-dra7xx.c Vignesh Raghavendra 2020-03-27 269 dra7xx_pcie_writel(dra7xx, PCIECTRL_DRA7XX_CONF_IRQSTATUS_MSI, reg);
47ff3de911a728 drivers/pci/host/pci-dra7xx.c Kishon Vijay Abraham I 2014-07-22 270
47ff3de911a728 drivers/pci/host/pci-dra7xx.c Kishon Vijay Abraham I 2014-07-22 271 switch (reg) {
47ff3de911a728 drivers/pci/host/pci-dra7xx.c Kishon Vijay Abraham I 2014-07-22 272 case MSI:
9a5595ab21a9d1 drivers/pci/controller/dwc/pci-dra7xx.c Vignesh Raghavendra 2020-03-27 273 dra7xx_pcie_handle_msi_irq(pp);
47ff3de911a728 drivers/pci/host/pci-dra7xx.c Kishon Vijay Abraham I 2014-07-22 274 break;
47ff3de911a728 drivers/pci/host/pci-dra7xx.c Kishon Vijay Abraham I 2014-07-22 275 case INTA:
47ff3de911a728 drivers/pci/host/pci-dra7xx.c Kishon Vijay Abraham I 2014-07-22 276 case INTB:
47ff3de911a728 drivers/pci/host/pci-dra7xx.c Kishon Vijay Abraham I 2014-07-22 277 case INTC:
47ff3de911a728 drivers/pci/host/pci-dra7xx.c Kishon Vijay Abraham I 2014-07-22 278 case INTD:
d21faba11693c1 drivers/pci/controller/dwc/pci-dra7xx.c Marc Zyngier 2021-08-02 279 for_each_set_bit(bit, &reg, PCI_NUM_INTX)
d21faba11693c1 drivers/pci/controller/dwc/pci-dra7xx.c Marc Zyngier 2021-08-02 280 generic_handle_domain_irq(dra7xx->irq_domain, bit);
47ff3de911a728 drivers/pci/host/pci-dra7xx.c Kishon Vijay Abraham I 2014-07-22 281 break;
47ff3de911a728 drivers/pci/host/pci-dra7xx.c Kishon Vijay Abraham I 2014-07-22 282 }
47ff3de911a728 drivers/pci/host/pci-dra7xx.c Kishon Vijay Abraham I 2014-07-22 283
9a5595ab21a9d1 drivers/pci/controller/dwc/pci-dra7xx.c Vignesh Raghavendra 2020-03-27 @284 chained_irq_exit(chip, desc);
47ff3de911a728 drivers/pci/host/pci-dra7xx.c Kishon Vijay Abraham I 2014-07-22 285 }
47ff3de911a728 drivers/pci/host/pci-dra7xx.c Kishon Vijay Abraham I 2014-07-22 286

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