include/linux/gpio/driver.h:31:33: error: field 'msiinfo' has incomplete type

From: kernel test robot
Date: Sun Jan 22 2023 - 22:19:10 EST


tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 2475bf0250dee99b477e0c56d7dc9d7ac3f04117
commit: 70afdab904d2d1e68bffe75fe08e7e48e0b0ff8e irqchip: Add IMX MU MSI controller driver
date: 4 months ago
config: i386-buildonly-randconfig-r002-20230123 (https://download.01.org/0day-ci/archive/20230123/202301231157.7KGwNdDX-lkp@xxxxxxxxx/config)
compiler: gcc-11 (Debian 11.3.0-8) 11.3.0
reproduce (this is a W=1 build):
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=70afdab904d2d1e68bffe75fe08e7e48e0b0ff8e
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 70afdab904d2d1e68bffe75fe08e7e48e0b0ff8e
# save the config file
mkdir build_dir && cp config build_dir/.config
make W=1 O=build_dir ARCH=i386 olddefconfig
make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash

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

All errors (new ones prefixed by >>):

In file included from include/asm-generic/gpio.h:11,
from include/linux/gpio.h:62,
from include/linux/mfd/lp8788.h:13,
from drivers/regulator/lp8788-buck.c:15:
>> include/linux/gpio/driver.h:31:33: error: field 'msiinfo' has incomplete type
31 | msi_alloc_info_t msiinfo;
| ^~~~~~~
--
arch/x86/kernel/hpet.c: In function 'hpet_msi_init':
>> arch/x86/kernel/hpet.c:520:46: error: invalid use of incomplete typedef 'msi_alloc_info_t' {aka 'struct irq_alloc_info'}
520 | irq_domain_set_info(domain, virq, arg->hwirq, info->chip, NULL,
| ^~
arch/x86/kernel/hpet.c:521:49: error: invalid use of incomplete typedef 'msi_alloc_info_t' {aka 'struct irq_alloc_info'}
521 | handle_edge_irq, arg->data, "edge");
| ^~
arch/x86/kernel/hpet.c: In function 'hpet_create_irq_domain':
>> arch/x86/kernel/hpet.c:550:13: error: 'x86_vector_domain' undeclared (first use in this function)
550 | if (x86_vector_domain == NULL)
| ^~~~~~~~~~~~~~~~~
arch/x86/kernel/hpet.c:550:13: note: each undeclared identifier is reported only once for each function it appears in
arch/x86/kernel/hpet.c: In function 'hpet_assign_irq':
>> arch/x86/kernel/hpet.c:598:31: error: storage size of 'info' isn't known
598 | struct irq_alloc_info info;
| ^~~~
>> arch/x86/kernel/hpet.c:600:9: error: implicit declaration of function 'init_irq_alloc_info' [-Werror=implicit-function-declaration]
600 | init_irq_alloc_info(&info, NULL);
| ^~~~~~~~~~~~~~~~~~~
>> arch/x86/kernel/hpet.c:601:21: error: 'X86_IRQ_ALLOC_TYPE_HPET' undeclared (first use in this function)
601 | info.type = X86_IRQ_ALLOC_TYPE_HPET;
| ^~~~~~~~~~~~~~~~~~~~~~~
arch/x86/kernel/hpet.c:598:31: warning: unused variable 'info' [-Wunused-variable]
598 | struct irq_alloc_info info;
| ^~~~
arch/x86/kernel/hpet.c:607:1: error: control reaches end of non-void function [-Werror=return-type]
607 | }
| ^
cc1: some warnings being treated as errors
--
kernel/irq/msi.c: In function 'msi_domain_ops_get_hwirq':
>> kernel/irq/msi.c:585:19: error: invalid use of incomplete typedef 'msi_alloc_info_t' {aka 'struct irq_alloc_info'}
585 | return arg->hwirq;
| ^~
In file included from include/linux/string.h:253,
from arch/x86/include/asm/page_32.h:22,
from arch/x86/include/asm/page.h:14,
from arch/x86/include/asm/thread_info.h:12,
from include/linux/thread_info.h:60,
from arch/x86/include/asm/preempt.h:7,
from include/linux/preempt.h:78,
from include/linux/rcupdate.h:27,
from include/linux/rculist.h:11,
from include/linux/pid.h:5,
from include/linux/sched.h:14,
from include/linux/ratelimit.h:6,
from include/linux/dev_printk.h:16,
from include/linux/device.h:15,
from kernel/irq/msi.c:12:
kernel/irq/msi.c: In function 'msi_domain_ops_prepare':
>> kernel/irq/msi.c:591:30: error: invalid application of 'sizeof' to incomplete type 'msi_alloc_info_t' {aka 'struct irq_alloc_info'}
591 | memset(arg, 0, sizeof(*arg));
| ^
include/linux/fortify-string.h:279:42: note: in definition of macro '__fortify_memset_chk'
279 | size_t __fortify_size = (size_t)(size); \
| ^~~~
kernel/irq/msi.c:591:9: note: in expansion of macro 'memset'
591 | memset(arg, 0, sizeof(*arg));
| ^~~~~~
kernel/irq/msi.c: In function 'msi_domain_ops_set_desc':
kernel/irq/msi.c:598:12: error: invalid use of incomplete typedef 'msi_alloc_info_t' {aka 'struct irq_alloc_info'}
598 | arg->desc = desc;
| ^~
kernel/irq/msi.c: In function '__msi_domain_alloc_irqs':
>> kernel/irq/msi.c:858:9: error: variable 'arg' has initializer but incomplete type
858 | msi_alloc_info_t arg = { };
| ^~~~~~~~~~~~~~~~
>> kernel/irq/msi.c:858:26: error: storage size of 'arg' isn't known
858 | msi_alloc_info_t arg = { };
| ^~~
kernel/irq/msi.c:858:26: warning: unused variable 'arg' [-Wunused-variable]
kernel/irq/msi.c: In function 'msi_domain_ops_get_hwirq':
kernel/irq/msi.c:586:1: error: control reaches end of non-void function [-Werror=return-type]
586 | }
| ^
cc1: some warnings being treated as errors
--
>> drivers/base/platform-msi.c:26:41: error: field 'arg' has incomplete type
26 | msi_alloc_info_t arg;
| ^~~
drivers/base/platform-msi.c: In function 'platform_msi_device_domain_alloc':
drivers/base/platform-msi.c:351:1: error: control reaches end of non-void function [-Werror=return-type]
351 | }
| ^
cc1: some warnings being treated as errors


vim +/msiinfo +31 include/linux/gpio/driver.h

fdd61a013a24f2 Linus Walleij 2019-08-08 27
91a29af413def6 Marc Zyngier 2022-07-07 28 union gpio_irq_fwspec {
91a29af413def6 Marc Zyngier 2022-07-07 29 struct irq_fwspec fwspec;
91a29af413def6 Marc Zyngier 2022-07-07 30 #ifdef CONFIG_GENERIC_MSI_IRQ_DOMAIN
91a29af413def6 Marc Zyngier 2022-07-07 @31 msi_alloc_info_t msiinfo;
91a29af413def6 Marc Zyngier 2022-07-07 32 #endif
91a29af413def6 Marc Zyngier 2022-07-07 33 };
91a29af413def6 Marc Zyngier 2022-07-07 34

:::::: The code at line 31 was first introduced by commit
:::::: 91a29af413def677495e447fb9a06957ebc8bed5 gpio: Remove dynamic allocation from populate_parent_alloc_arg()

:::::: TO: Marc Zyngier <maz@xxxxxxxxxx>
:::::: CC: Marc Zyngier <maz@xxxxxxxxxx>

--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests