ch341ser_linux compile error

[ivangotoy]

Kernel: 6.13.0-x64v3-xanmod2

Driver source at latest (as of now) commit 0c0e8a2

Error:

make -C /lib/modules/6.13.0-x64v3-xanmod2/build  M=/home/ivan/Downloads/ch341ser_linux/driver  
make[1]: Entering directory '/usr/lib/modules/6.13.0-x64v3-xanmod2/build'
make[2]: Entering directory '/home/ivan/Downloads/ch341ser_linux/driver'
warning: the compiler differs from the one used to build the kernel
  The kernel was built by: gcc (Debian 14.2.0-8) 14.2.0
  You are using:           gcc (GCC) 14.2.1 20240910
  CC [M]  ch341.o
ch341.c:58:10: fatal error: asm/unaligned.h: No such file or directory
   58 | #include <asm/unaligned.h>
      |          ^~~~~~~~~~~~~~~~~
compilation terminated.
make[4]: *** [/usr/lib/modules/6.13.0-x64v3-xanmod2/build/scripts/Makefile.build:194: ch341.o] Error 1
make[3]: *** [/usr/lib/modules/6.13.0-x64v3-xanmod2/build/Makefile:1987: .] Error 2
make[2]: *** [/usr/lib/modules/6.13.0-x64v3-xanmod2/build/Makefile:251: __sub-make] Error 2
make[2]: Leaving directory '/home/ivan/Downloads/ch341ser_linux/driver'
make[1]: *** [Makefile:251: __sub-make] Error 2
make[1]: Leaving directory '/usr/lib/modules/6.13.0-x64v3-xanmod2/build'
make: *** [Makefile:7: default] Error 2

Edit: On kernel 6.6.74-1-MANJARO this builds and works just fine

[exu-g]

This changed with kernel 6.12. See the RC2 announcement post

[...] we had a global header renaming (asm/unaligned.h -> linux/unaligned.h)
and [...]

https://lkml.org/lkml/2024/10/6/423

[nufue]

@ivangotoy As a hotfix, you can edit ch341.c - replace #include <asm/unaligned.h> with #include <linux/unaligned.h>, which should fix this issue.