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Message-ID: <202512190951.Cx6f5ZqU-lkp@intel.com>
Date: Fri, 19 Dec 2025 09:13:20 +0800
From: kernel test robot <lkp@...el.com>
To: Dave Penkler <dpenkler@...il.com>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: drivers/gpib/eastwood/fluke_gpib.c:1002:30: error: implicit
declaration of function 'ioremap'; did you mean 'iounmap'?
Hi Dave,
First bad commit (maybe != root cause):
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: dd9b004b7ff3289fb7bae35130c0a5c0537266af
commit: e6ab504633e4c06e35377ecf3c8cbc304de79858 staging: gpib: Destage gpib
date: 3 weeks ago
config: s390-randconfig-001-20251219 (https://download.01.org/0day-ci/archive/20251219/202512190951.Cx6f5ZqU-lkp@intel.com/config)
compiler: s390-linux-gcc (GCC) 12.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251219/202512190951.Cx6f5ZqU-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/202512190951.Cx6f5ZqU-lkp@intel.com/
All errors (new ones prefixed by >>):
drivers/gpib/eastwood/fluke_gpib.c: In function 'fluke_attach_impl':
>> drivers/gpib/eastwood/fluke_gpib.c:1002:30: error: implicit declaration of function 'ioremap'; did you mean 'iounmap'? [-Werror=implicit-function-declaration]
1002 | nec_priv->mmiobase = ioremap(e_priv->gpib_iomem_res->start,
| ^~~~~~~
| iounmap
drivers/gpib/eastwood/fluke_gpib.c:1002:28: warning: assignment to 'void *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
1002 | nec_priv->mmiobase = ioremap(e_priv->gpib_iomem_res->start,
| ^
drivers/gpib/eastwood/fluke_gpib.c:1036:40: warning: assignment to 'void *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
1036 | e_priv->write_transfer_counter = ioremap(e_priv->write_transfer_counter_res->start,
| ^
cc1: some warnings being treated as errors
Kconfig warnings: (for reference only)
WARNING: unmet direct dependencies detected for OF_GPIO
Depends on [n]: GPIOLIB [=y] && OF [=y] && HAS_IOMEM [=n]
Selected by [y]:
- REGULATOR_RT5133 [=y] && REGULATOR [=y] && I2C [=y] && GPIOLIB [=y] && OF [=y]
vim +1002 drivers/gpib/eastwood/fluke_gpib.c
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 962
4800ec89999049 drivers/staging/gpib/eastwood/fluke_gpib.c Michael Rubin 2025-04-08 963 static int fluke_attach_impl(struct gpib_board *board, const struct gpib_board_config *config,
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 964 unsigned int handshake_mode)
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 965 {
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 966 struct fluke_priv *e_priv;
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 967 struct nec7210_priv *nec_priv;
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 968 int isr_flags = 0;
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 969 int retval;
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 970 int irq;
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 971 struct resource *res;
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 972 dma_cap_mask_t dma_cap;
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 973
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 974 if (!fluke_gpib_pdev) {
f2bda0b660bd37 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2025-02-14 975 dev_err(board->gpib_dev, "No fluke device was found, attach failed.\n");
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 976 return -ENODEV;
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 977 }
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 978
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 979 retval = fluke_generic_attach(board);
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 980 if (retval)
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 981 return retval;
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 982
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 983 e_priv = board->private_data;
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 984 nec_priv = &e_priv->nec7210_priv;
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 985 nec_priv->offset = fluke_reg_offset;
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 986 board->dev = &fluke_gpib_pdev->dev;
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 987
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 988 res = platform_get_resource(fluke_gpib_pdev, IORESOURCE_MEM, 0);
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 989 if (!res) {
f2bda0b660bd37 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2025-02-14 990 dev_err(&fluke_gpib_pdev->dev, "Unable to locate mmio resource\n");
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 991 return -ENODEV;
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 992 }
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 993
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 994 if (request_mem_region(res->start,
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 995 resource_size(res),
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 996 fluke_gpib_pdev->name) == NULL) {
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 997 dev_err(&fluke_gpib_pdev->dev, "cannot claim registers\n");
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 998 return -ENXIO;
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 999 }
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 1000 e_priv->gpib_iomem_res = res;
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 1001
baf8855c916007 drivers/staging/gpib/eastwood/fluke_gpib.c Arnd Bergmann 2024-12-13 @1002 nec_priv->mmiobase = ioremap(e_priv->gpib_iomem_res->start,
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 1003 resource_size(e_priv->gpib_iomem_res));
baf8855c916007 drivers/staging/gpib/eastwood/fluke_gpib.c Arnd Bergmann 2024-12-13 1004 if (!nec_priv->mmiobase) {
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 1005 dev_err(&fluke_gpib_pdev->dev, "Could not map I/O memory\n");
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 1006 return -ENOMEM;
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 1007 }
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 1008
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 1009 res = platform_get_resource(fluke_gpib_pdev, IORESOURCE_MEM, 1);
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 1010 if (!res) {
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 1011 dev_err(&fluke_gpib_pdev->dev, "Unable to locate mmio resource for gpib dma port\n");
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 1012 return -ENODEV;
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 1013 }
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 1014 if (request_mem_region(res->start,
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 1015 resource_size(res),
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 1016 fluke_gpib_pdev->name) == NULL) {
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 1017 dev_err(&fluke_gpib_pdev->dev, "cannot claim registers\n");
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 1018 return -ENXIO;
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 1019 }
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 1020 e_priv->dma_port_res = res;
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 1021
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 1022 res = platform_get_resource(fluke_gpib_pdev, IORESOURCE_MEM, 2);
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 1023 if (!res) {
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 1024 dev_err(&fluke_gpib_pdev->dev, "Unable to locate mmio resource for write transfer counter\n");
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 1025 return -ENODEV;
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 1026 }
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 1027
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 1028 if (request_mem_region(res->start,
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 1029 resource_size(res),
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 1030 fluke_gpib_pdev->name) == NULL) {
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 1031 dev_err(&fluke_gpib_pdev->dev, "cannot claim registers\n");
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 1032 return -ENXIO;
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 1033 }
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 1034 e_priv->write_transfer_counter_res = res;
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 1035
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 1036 e_priv->write_transfer_counter = ioremap(e_priv->write_transfer_counter_res->start,
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 1037 resource_size(e_priv->write_transfer_counter_res));
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 1038 if (!e_priv->write_transfer_counter) {
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 1039 dev_err(&fluke_gpib_pdev->dev, "Could not map I/O memory\n");
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 1040 return -ENOMEM;
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 1041 }
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 1042
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 1043 irq = platform_get_irq(fluke_gpib_pdev, 0);
51ab134daf5b9b drivers/staging/gpib/eastwood/fluke_gpib.c Chen Ni 2025-04-07 1044 if (irq < 0)
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 1045 return -EBUSY;
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 1046 retval = request_irq(irq, fluke_gpib_interrupt, isr_flags, fluke_gpib_pdev->name, board);
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 1047 if (retval) {
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 1048 dev_err(&fluke_gpib_pdev->dev,
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 1049 "cannot register interrupt handler err=%d\n",
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 1050 retval);
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 1051 return retval;
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 1052 }
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 1053 e_priv->irq = irq;
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 1054
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 1055 dma_cap_zero(dma_cap);
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 1056 dma_cap_set(DMA_SLAVE, dma_cap);
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 1057 e_priv->dma_channel = dma_request_channel(dma_cap, gpib_dma_channel_filter, NULL);
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 1058 if (!e_priv->dma_channel) {
f2bda0b660bd37 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2025-02-14 1059 dev_err(board->gpib_dev, "failed to allocate a dma channel.\n");
073b54f342be3e drivers/staging/gpib/eastwood/fluke_gpib.c Paul Retourné 2025-04-11 1060 /*
073b54f342be3e drivers/staging/gpib/eastwood/fluke_gpib.c Paul Retourné 2025-04-11 1061 * we don't error out here because unaccel interface will still
073b54f342be3e drivers/staging/gpib/eastwood/fluke_gpib.c Paul Retourné 2025-04-11 1062 * work without dma
073b54f342be3e drivers/staging/gpib/eastwood/fluke_gpib.c Paul Retourné 2025-04-11 1063 */
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 1064 }
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 1065
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 1066 return fluke_init(e_priv, board, handshake_mode);
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 1067 }
55936779f49612 drivers/staging/gpib/eastwood/fluke_gpib.c Dave Penkler 2024-09-18 1068
:::::: The code at line 1002 was first introduced by commit
:::::: baf8855c916007a8a372576b65492316f43ed60b staging: gpib: fix address space mixup
:::::: TO: Arnd Bergmann <arnd@...db.de>
:::::: CC: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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