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/home/eibachd/src/atemsys/atemsys.c: In function ‘device_mmap’:
/home/eibachd/src/atemsys/atemsys.c:1935:18: error: assignment of read-only member ‘vm_flags’
1935 | vma->vm_flags |= VM_RESERVED | VM_LOCKED | VM_DONTCOPY;
| ^~
/home/eibachd/src/atemsys/atemsys.c:1992:21: error: assignment of read-only member ‘vm_flags’
1992 | vma->vm_flags |= VM_IO;
| ^~
/home/eibachd/src/atemsys/atemsys.c: In function ‘ResetPhyViaGpio’:
/home/eibachd/src/atemsys/atemsys.c:3304:5: error: implicit declaration of function ‘devm_gpio_free’; did you mean ‘devm_gpiod_get’? [-Werror=implicit-function-declaration]
3304 | devm_gpio_free(&pDrvDescPrivate->pPDev->dev, pDrvDescPrivate->nPhyResetGpioPin);
| ^~~~~~~~~~~~~~
| devm_gpiod_get
In file included from /usr/src/linux-headers-6.5.0-2-reform2-common/arch/arm64/include/asm/lse.h:12,
from /usr/src/linux-heaazders-6.5.0-2-reform2-common/arch/arm64/include/asm/cmpxchg.h:14,
from /usr/src/linux-headers-6.5.0-2-reform2-common/arch/arm64/include/asm/atomic.h:16,
from /usr/src/linux-headers-6.5.0-2-reform2-common/include/linux/atomic.h:7,
from /usr/src/linux-headers-6.5.0-2-reform2-common/include/asm-generic/bitops/atomic.h:5,
from /usr/src/linux-headers-6.5.0-2-reform2-common/arch/arm64/include/asm/bitops.h:25,
from /usr/src/linux-headers-6.5.0-2-reform2-common/include/linux/bitops.h:68,
from /usr/src/linux-headers-6.5.0-2-reform2-common/arch/arm64/include/asm/cache.h:40,
from /usr/src/linux-headers-6.5.0-2-reform2-common/include/linux/cache.h:6,
from /usr/src/linux-headers-6.5.0-2-reform2-common/include/linux/time.h:5,
from /usr/src/linux-headers-6.5.0-2-reform2-common/arch/arm64/include/asm/stat.h:12,
from /usr/src/linux-headers-6.5.0-2-reform2-common/include/linux/stat.h:6,
from /usr/src/linux-headers-6.5.0-2-reform2-common/include/linux/module.h:13,
from /home/eibachd/src/atemsys/atemsys.c:98:
/home/eibachd/src/atemsys/atemsys.c: In function ‘init_module’:
/usr/src/linux-headers-6.5.0-2-reform2-common/include/linux/export.h:29:22: error: passing argument 1 of ‘class_create’ from incompatible pointer type [-Werror=incompatible-pointer-types]
29 | #define THIS_MODULE (&__this_module)
| ~^~~~~~~~~~~~~~~
| |
| struct module *
/home/eibachd/src/atemsys/atemsys.c:4064:32: note: in expansion of macro ‘THIS_MODULE’
4064 | S_pDevClass = class_create(THIS_MODULE, ATEMSYS_DEVICE_NAME);
| ^~~~~~~~~~~
In file included from /usr/src/linux-headers-6.5.0-2-reform2-common/include/linux/device.h:31,
from /usr/src/linux-headers-6.5.0-2-reform2-common/include/linux/pci.h:37,
from /home/eibachd/src/atemsys/atemsys.c:100:
/usr/src/linux-headers-6.5.0-2-reform2-common/include/linux/device/class.h:230:54: note: expected ‘const char *’ but argument is of type ‘struct module *’
230 | struct class * __must_check class_create(const char *name);
| ~~~~~~~~~~~~^~~~
/home/eibachd/src/atemsys/atemsys.c:4064:19: error: too many arguments to function ‘class_create’
4064 | S_pDevClass = class_create(THIS_MODULE, ATEMSYS_DEVICE_NAME);
| ^~~~~~~~~~~~
/usr/src/linux-headers-6.5.0-2-reform2-common/include/linux/device/class.h:230:29: note: declared here
230 | struct class * __must_check class_create(const char *name);
| ^~~~~~~~~~~~
cc1: some warnings being treated as errors
make[3]: *** [/usr/src/linux-headers-6.5.0-2-reform2-common/scripts/Makefile.build:248: /home/eibachd/src/atemsys/atemsys.o] Error 1
make[2]: *** [/usr/src/linux-headers-6.5.0-2-reform2-common/Makefile:2059: /home/eibachd/src/atemsys] Error 2
make[1]: *** [/usr/src/linux-headers-6.5.0-2-reform2-common/Makefile:246: __sub-make] Error 2
make: *** [Makefile:28: modules] Error 2

Trying to compile against a kernel >= 6.6 brings:

$ LANG=C make
make -C /lib/modules/6.6.15-amd64/build M=/home/lisandro/damian/ics/repos/kinarm/atemsys modules
make[1]: Entering directory '/usr/src/linux-headers-6.6.15-amd64'
  CC [M]  /home/lisandro/damian/ics/repos/kinarm/atemsys/atemsys.o
/home/lisandro/damian/ics/repos/kinarm/atemsys/atemsys.c: In function 'PciDriverRemove':
/home/lisandro/damian/ics/repos/kinarm/atemsys/atemsys.c:4541:5: error: implicit declaration of function 'pci_disable_pcie_error_reporting' [-Werror=implicit-function-declaration]
 4541 |     pci_disable_pcie_error_reporting(pPciDev);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/lisandro/damian/ics/repos/kinarm/atemsys/atemsys.c: In function 'PciDriverProbe':
/home/lisandro/damian/ics/repos/kinarm/atemsys/atemsys.c:4577:5: error: implicit declaration of function 'pci_enable_pcie_error_reporting' [-Werror=implicit-function-declaration]
 4577 |     pci_enable_pcie_error_reporting(pPciDev);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors
make[3]: *** [/usr/src/linux-headers-6.6.15-common/scripts/Makefile.build:248: /home/lisandro/damian/ics/repos/kinarm/atemsys/atemsys.o] Error 1
make[2]: *** [/usr/src/linux-headers-6.6.15-common/Makefile:1938: /home/lisandro/damian/ics/repos/kinarm/atemsys] Error 2
make[1]: *** [/usr/src/linux-headers-6.6.15-common/Makefile:246: __sub-make] Error 2
make[1]: Leaving directory '/usr/src/linux-headers-6.6.15-amd64'
make: *** [Makefile:28: modules] Error 2

Seems that API is no longer available on those kernels.

@ec-support

I faced with the following error when I try to use atemsys.
ATEMSYS_IOCTL_PCI_CONF_DEVICE failed: -14
I'm using rt kernel on ubuntu20.04 which is 5.4.143-rt64.
PCI device using on my PC is Intel Corporation 82579V Gigabit Network Connection whose vendor id is 0x8086 and device id 0x1503.
I'm glad to have some information of this error and how to solve this problem.