drivers/soc/ixp4xx/ixp4xx-npe.c:737:34: warning: 'ixp4xx_npe_of_match' defined but not used

From: kernel test robot
Date: Mon Jun 20 2022 - 12:26:45 EST

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Hi Arnd,

First bad commit (maybe != root cause):

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 4b35035bcf80ddb47c0112c4fbd84a63a2836a18
commit: 7f94b69ece515ac82defa60ef7cba2cf26180216 ARM: ixp4xx: fix compile-testing soc drivers
date: 11 months ago
config: x86_64-buildonly-randconfig-r003-20220620 (https://download.01.org/0day-ci/archive/20220621/202206210010.piIa6O1b-lkp@xxxxxxxxx/config)
compiler: gcc-11 (Debian 11.3.0-3) 11.3.0
reproduce (this is a W=1 build):
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7f94b69ece515ac82defa60ef7cba2cf26180216
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 7f94b69ece515ac82defa60ef7cba2cf26180216
# save the config file
mkdir build_dir && cp config build_dir/.config
make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/gpu/drm/rockchip/ drivers/irqchip/ drivers/soc/ixp4xx/ kernel/sched/

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All warnings (new ones prefixed by >>):

drivers/soc/ixp4xx/ixp4xx-npe.c:696:25: note: in expansion of macro 'dev_info'
696 | dev_info(dev, "NPE%d at 0x%08x-0x%08x not available\n",
| ^~~~~~~~
drivers/soc/ixp4xx/ixp4xx-npe.c:696:54: note: format string is defined here
696 | dev_info(dev, "NPE%d at 0x%08x-0x%08x not available\n",
| ~~~^
| |
| unsigned int
| %08llx
In file included from include/linux/device.h:15,
from include/linux/dma-mapping.h:7,
from drivers/soc/ixp4xx/ixp4xx-npe.c:15:
drivers/soc/ixp4xx/ixp4xx-npe.c:696:39: warning: format '%x' expects argument of type 'unsigned int', but argument 5 has type 'resource_size_t' {aka 'long long unsigned int'} [-Wformat=]
696 | dev_info(dev, "NPE%d at 0x%08x-0x%08x not available\n",
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/dev_printk.h:19:22: note: in definition of macro 'dev_fmt'
19 | #define dev_fmt(fmt) fmt
| ^~~
drivers/soc/ixp4xx/ixp4xx-npe.c:696:25: note: in expansion of macro 'dev_info'
696 | dev_info(dev, "NPE%d at 0x%08x-0x%08x not available\n",
| ^~~~~~~~
drivers/soc/ixp4xx/ixp4xx-npe.c:696:61: note: format string is defined here
696 | dev_info(dev, "NPE%d at 0x%08x-0x%08x not available\n",
| ~~~^
| |
| unsigned int
| %08llx
In file included from include/linux/device.h:15,
from include/linux/dma-mapping.h:7,
from drivers/soc/ixp4xx/ixp4xx-npe.c:15:
drivers/soc/ixp4xx/ixp4xx-npe.c:705:39: warning: format '%x' expects argument of type 'unsigned int', but argument 4 has type 'resource_size_t' {aka 'long long unsigned int'} [-Wformat=]
705 | dev_info(dev, "NPE%d at 0x%08x-0x%08x does not reset\n",
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/dev_printk.h:19:22: note: in definition of macro 'dev_fmt'
19 | #define dev_fmt(fmt) fmt
| ^~~
drivers/soc/ixp4xx/ixp4xx-npe.c:705:25: note: in expansion of macro 'dev_info'
705 | dev_info(dev, "NPE%d at 0x%08x-0x%08x does not reset\n",
| ^~~~~~~~
drivers/soc/ixp4xx/ixp4xx-npe.c:705:54: note: format string is defined here
705 | dev_info(dev, "NPE%d at 0x%08x-0x%08x does not reset\n",
| ~~~^
| |
| unsigned int
| %08llx
In file included from include/linux/device.h:15,
from include/linux/dma-mapping.h:7,
from drivers/soc/ixp4xx/ixp4xx-npe.c:15:
drivers/soc/ixp4xx/ixp4xx-npe.c:705:39: warning: format '%x' expects argument of type 'unsigned int', but argument 5 has type 'resource_size_t' {aka 'long long unsigned int'} [-Wformat=]
705 | dev_info(dev, "NPE%d at 0x%08x-0x%08x does not reset\n",
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/dev_printk.h:19:22: note: in definition of macro 'dev_fmt'
19 | #define dev_fmt(fmt) fmt
| ^~~
drivers/soc/ixp4xx/ixp4xx-npe.c:705:25: note: in expansion of macro 'dev_info'
705 | dev_info(dev, "NPE%d at 0x%08x-0x%08x does not reset\n",
| ^~~~~~~~
drivers/soc/ixp4xx/ixp4xx-npe.c:705:61: note: format string is defined here
705 | dev_info(dev, "NPE%d at 0x%08x-0x%08x does not reset\n",
| ~~~^
| |
| unsigned int
| %08llx
In file included from include/linux/device.h:15,
from include/linux/dma-mapping.h:7,
from drivers/soc/ixp4xx/ixp4xx-npe.c:15:
drivers/soc/ixp4xx/ixp4xx-npe.c:710:31: warning: format '%x' expects argument of type 'unsigned int', but argument 4 has type 'resource_size_t' {aka 'long long unsigned int'} [-Wformat=]
710 | dev_info(dev, "NPE%d at 0x%08x-0x%08x registered\n",
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/dev_printk.h:19:22: note: in definition of macro 'dev_fmt'
19 | #define dev_fmt(fmt) fmt
| ^~~
drivers/soc/ixp4xx/ixp4xx-npe.c:710:17: note: in expansion of macro 'dev_info'
710 | dev_info(dev, "NPE%d at 0x%08x-0x%08x registered\n",
| ^~~~~~~~
drivers/soc/ixp4xx/ixp4xx-npe.c:710:46: note: format string is defined here
710 | dev_info(dev, "NPE%d at 0x%08x-0x%08x registered\n",
| ~~~^
| |
| unsigned int
| %08llx
In file included from include/linux/device.h:15,
from include/linux/dma-mapping.h:7,
from drivers/soc/ixp4xx/ixp4xx-npe.c:15:
drivers/soc/ixp4xx/ixp4xx-npe.c:710:31: warning: format '%x' expects argument of type 'unsigned int', but argument 5 has type 'resource_size_t' {aka 'long long unsigned int'} [-Wformat=]
710 | dev_info(dev, "NPE%d at 0x%08x-0x%08x registered\n",
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/dev_printk.h:19:22: note: in definition of macro 'dev_fmt'
19 | #define dev_fmt(fmt) fmt
| ^~~
drivers/soc/ixp4xx/ixp4xx-npe.c:710:17: note: in expansion of macro 'dev_info'
710 | dev_info(dev, "NPE%d at 0x%08x-0x%08x registered\n",
| ^~~~~~~~
drivers/soc/ixp4xx/ixp4xx-npe.c:710:53: note: format string is defined here
710 | dev_info(dev, "NPE%d at 0x%08x-0x%08x registered\n",
| ~~~^
| |
| unsigned int
| %08llx
At top level:
>> drivers/soc/ixp4xx/ixp4xx-npe.c:737:34: warning: 'ixp4xx_npe_of_match' defined but not used [-Wunused-const-variable=]
737 | static const struct of_device_id ixp4xx_npe_of_match[] = {
| ^~~~~~~~~~~~~~~~~~~

vim +/ixp4xx_npe_of_match +737 drivers/soc/ixp4xx/ixp4xx-npe.c

82a96f5790ac93 arch/arm/mach-ixp4xx/ixp4xx_npe.c Krzysztof Halasa 2008-01-01 679
bc4d7eafb7ad59 drivers/soc/ixp4xx/ixp4xx-npe.c Linus Walleij 2019-02-10 680 static int ixp4xx_npe_probe(struct platform_device *pdev)
82a96f5790ac93 arch/arm/mach-ixp4xx/ixp4xx_npe.c Krzysztof Halasa 2008-01-01 681 {
82a96f5790ac93 arch/arm/mach-ixp4xx/ixp4xx_npe.c Krzysztof Halasa 2008-01-01 682 int i, found = 0;
0b458d7b10f83e drivers/soc/ixp4xx/ixp4xx-npe.c Linus Walleij 2019-02-10 683 struct device *dev = &pdev->dev;
76f24b4f46b8ca drivers/soc/ixp4xx/ixp4xx-npe.c Linus Walleij 2021-05-25 684 struct device_node *np = dev->of_node;
0b458d7b10f83e drivers/soc/ixp4xx/ixp4xx-npe.c Linus Walleij 2019-02-10 685 struct resource *res;
82a96f5790ac93 arch/arm/mach-ixp4xx/ixp4xx_npe.c Krzysztof Halasa 2008-01-01 686
82a96f5790ac93 arch/arm/mach-ixp4xx/ixp4xx_npe.c Krzysztof Halasa 2008-01-01 687 for (i = 0; i < NPE_COUNT; i++) {
82a96f5790ac93 arch/arm/mach-ixp4xx/ixp4xx_npe.c Krzysztof Halasa 2008-01-01 688 struct npe *npe = &npe_tab[i];
0b458d7b10f83e drivers/soc/ixp4xx/ixp4xx-npe.c Linus Walleij 2019-02-10 689
0b458d7b10f83e drivers/soc/ixp4xx/ixp4xx-npe.c Linus Walleij 2019-02-10 690 res = platform_get_resource(pdev, IORESOURCE_MEM, i);
0b458d7b10f83e drivers/soc/ixp4xx/ixp4xx-npe.c Linus Walleij 2019-02-10 691 if (!res)
0b458d7b10f83e drivers/soc/ixp4xx/ixp4xx-npe.c Linus Walleij 2019-02-10 692 return -ENODEV;
0b458d7b10f83e drivers/soc/ixp4xx/ixp4xx-npe.c Linus Walleij 2019-02-10 693
82a96f5790ac93 arch/arm/mach-ixp4xx/ixp4xx_npe.c Krzysztof Halasa 2008-01-01 694 if (!(ixp4xx_read_feature_bits() &
0b458d7b10f83e drivers/soc/ixp4xx/ixp4xx-npe.c Linus Walleij 2019-02-10 695 (IXP4XX_FEATURE_RESET_NPEA << i))) {
0b458d7b10f83e drivers/soc/ixp4xx/ixp4xx-npe.c Linus Walleij 2019-02-10 696 dev_info(dev, "NPE%d at 0x%08x-0x%08x not available\n",
0b458d7b10f83e drivers/soc/ixp4xx/ixp4xx-npe.c Linus Walleij 2019-02-10 697 i, res->start, res->end);
82a96f5790ac93 arch/arm/mach-ixp4xx/ixp4xx_npe.c Krzysztof Halasa 2008-01-01 698 continue; /* NPE already disabled or not present */
82a96f5790ac93 arch/arm/mach-ixp4xx/ixp4xx_npe.c Krzysztof Halasa 2008-01-01 699 }
0b458d7b10f83e drivers/soc/ixp4xx/ixp4xx-npe.c Linus Walleij 2019-02-10 700 npe->regs = devm_ioremap_resource(dev, res);
cd3967bee004bc drivers/soc/ixp4xx/ixp4xx-npe.c Dan Carpenter 2019-06-18 701 if (IS_ERR(npe->regs))
cd3967bee004bc drivers/soc/ixp4xx/ixp4xx-npe.c Dan Carpenter 2019-06-18 702 return PTR_ERR(npe->regs);
82a96f5790ac93 arch/arm/mach-ixp4xx/ixp4xx_npe.c Krzysztof Halasa 2008-01-01 703
0b458d7b10f83e drivers/soc/ixp4xx/ixp4xx-npe.c Linus Walleij 2019-02-10 704 if (npe_reset(npe)) {
0b458d7b10f83e drivers/soc/ixp4xx/ixp4xx-npe.c Linus Walleij 2019-02-10 705 dev_info(dev, "NPE%d at 0x%08x-0x%08x does not reset\n",
0b458d7b10f83e drivers/soc/ixp4xx/ixp4xx-npe.c Linus Walleij 2019-02-10 706 i, res->start, res->end);
82a96f5790ac93 arch/arm/mach-ixp4xx/ixp4xx_npe.c Krzysztof Halasa 2008-01-01 707 continue;
0b458d7b10f83e drivers/soc/ixp4xx/ixp4xx-npe.c Linus Walleij 2019-02-10 708 }
82a96f5790ac93 arch/arm/mach-ixp4xx/ixp4xx_npe.c Krzysztof Halasa 2008-01-01 709 npe->valid = 1;
0b458d7b10f83e drivers/soc/ixp4xx/ixp4xx-npe.c Linus Walleij 2019-02-10 @710 dev_info(dev, "NPE%d at 0x%08x-0x%08x registered\n",
0b458d7b10f83e drivers/soc/ixp4xx/ixp4xx-npe.c Linus Walleij 2019-02-10 711 i, res->start, res->end);
82a96f5790ac93 arch/arm/mach-ixp4xx/ixp4xx_npe.c Krzysztof Halasa 2008-01-01 712 found++;
82a96f5790ac93 arch/arm/mach-ixp4xx/ixp4xx_npe.c Krzysztof Halasa 2008-01-01 713 }
82a96f5790ac93 arch/arm/mach-ixp4xx/ixp4xx_npe.c Krzysztof Halasa 2008-01-01 714
82a96f5790ac93 arch/arm/mach-ixp4xx/ixp4xx_npe.c Krzysztof Halasa 2008-01-01 715 if (!found)
3ba8c792055286 arch/arm/mach-ixp4xx/ixp4xx_npe.c Krzysztof Hałasa 2009-04-28 716 return -ENODEV;
76f24b4f46b8ca drivers/soc/ixp4xx/ixp4xx-npe.c Linus Walleij 2021-05-25 717
76f24b4f46b8ca drivers/soc/ixp4xx/ixp4xx-npe.c Linus Walleij 2021-05-25 718 /* Spawn crypto subdevice if using device tree */
76f24b4f46b8ca drivers/soc/ixp4xx/ixp4xx-npe.c Linus Walleij 2021-05-25 719 if (IS_ENABLED(CONFIG_OF) && np)
76f24b4f46b8ca drivers/soc/ixp4xx/ixp4xx-npe.c Linus Walleij 2021-05-25 720 devm_of_platform_populate(dev);
76f24b4f46b8ca drivers/soc/ixp4xx/ixp4xx-npe.c Linus Walleij 2021-05-25 721
82a96f5790ac93 arch/arm/mach-ixp4xx/ixp4xx_npe.c Krzysztof Halasa 2008-01-01 722 return 0;
82a96f5790ac93 arch/arm/mach-ixp4xx/ixp4xx_npe.c Krzysztof Halasa 2008-01-01 723 }
82a96f5790ac93 arch/arm/mach-ixp4xx/ixp4xx_npe.c Krzysztof Halasa 2008-01-01 724
bc4d7eafb7ad59 drivers/soc/ixp4xx/ixp4xx-npe.c Linus Walleij 2019-02-10 725 static int ixp4xx_npe_remove(struct platform_device *pdev)
82a96f5790ac93 arch/arm/mach-ixp4xx/ixp4xx_npe.c Krzysztof Halasa 2008-01-01 726 {
82a96f5790ac93 arch/arm/mach-ixp4xx/ixp4xx_npe.c Krzysztof Halasa 2008-01-01 727 int i;
82a96f5790ac93 arch/arm/mach-ixp4xx/ixp4xx_npe.c Krzysztof Halasa 2008-01-01 728
82a96f5790ac93 arch/arm/mach-ixp4xx/ixp4xx_npe.c Krzysztof Halasa 2008-01-01 729 for (i = 0; i < NPE_COUNT; i++)
0b458d7b10f83e drivers/soc/ixp4xx/ixp4xx-npe.c Linus Walleij 2019-02-10 730 if (npe_tab[i].regs) {
82a96f5790ac93 arch/arm/mach-ixp4xx/ixp4xx_npe.c Krzysztof Halasa 2008-01-01 731 npe_reset(&npe_tab[i]);
82a96f5790ac93 arch/arm/mach-ixp4xx/ixp4xx_npe.c Krzysztof Halasa 2008-01-01 732 }
bc4d7eafb7ad59 drivers/soc/ixp4xx/ixp4xx-npe.c Linus Walleij 2019-02-10 733
bc4d7eafb7ad59 drivers/soc/ixp4xx/ixp4xx-npe.c Linus Walleij 2019-02-10 734 return 0;
82a96f5790ac93 arch/arm/mach-ixp4xx/ixp4xx_npe.c Krzysztof Halasa 2008-01-01 735 }
82a96f5790ac93 arch/arm/mach-ixp4xx/ixp4xx_npe.c Krzysztof Halasa 2008-01-01 736
e00797f2e05b7f drivers/soc/ixp4xx/ixp4xx-npe.c Linus Walleij 2019-02-10 @737 static const struct of_device_id ixp4xx_npe_of_match[] = {
e00797f2e05b7f drivers/soc/ixp4xx/ixp4xx-npe.c Linus Walleij 2019-02-10 738 {
e00797f2e05b7f drivers/soc/ixp4xx/ixp4xx-npe.c Linus Walleij 2019-02-10 739 .compatible = "intel,ixp4xx-network-processing-engine",
e00797f2e05b7f drivers/soc/ixp4xx/ixp4xx-npe.c Linus Walleij 2019-02-10 740 },
e00797f2e05b7f drivers/soc/ixp4xx/ixp4xx-npe.c Linus Walleij 2019-02-10 741 {},
e00797f2e05b7f drivers/soc/ixp4xx/ixp4xx-npe.c Linus Walleij 2019-02-10 742 };
e00797f2e05b7f drivers/soc/ixp4xx/ixp4xx-npe.c Linus Walleij 2019-02-10 743

:::::: The code at line 737 was first introduced by commit
:::::: e00797f2e05b7f3758bb96e6248aff8d95999cec soc: ixp4xx: npe: Add DT probe code

:::::: TO: Linus Walleij <linus.walleij@xxxxxxxxxx>
:::::: CC: Linus Walleij <linus.walleij@xxxxxxxxxx>

--
0-DAY CI Kernel Test Service
https://01.org/lkp

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