On Sun, Mar 19, 2017 at 6:53 PM, Alexander Kapshuk <alexander.kapshuk@xxxxxxxxx> wrote: > On Sun, Mar 19, 2017 at 10:53 AM, SIMRAN SINGHAL > <singhalsimran0@xxxxxxxxx> wrote: >> # modinfo iio_dummy_evgen.ko >> filename: >> /home/simran/git/kernels/staging/drivers/iio/dummy/iio_dummy_evgen.ko >> license: GPL v2 >> description: IIO dummy driver >> author: Jonathan Cameron <jic23@xxxxxxxxxx> >> srcversion: A8AC238EC07833E018CAF7B >> depends: industrialio >> intree: Y >> vermagic: 4.11.0-rc1+ SMP mod_unload modversions >> >> >> $ uname -r >> 4.10.0-rc3+ >> >> So, this shows that I need to compile module iio_dummy_evgen.ko for >> kernel version 4.11.0-rc1, so for this I need to build system and >> source tree for this version. >> >> So, I am trying this:- >> make -C /lib/modules/4.11.0-rc1+/build M=drivers/iio/dummy/ iio_dummy_evgen.ko >> >> But I don't know why I am getting this error:- >> make: Entering directory '/home/simran/git/kernels/staging' >> make[1]: *** No rule to make target 'iio_dummy_evgen.o'. Stop. >> Makefile:1664: recipe for target 'iio_dummy_evgen.ko' failed >> make: *** [iio_dummy_evgen.ko] Error 2 >> make: Leaving directory '/home/simran/git/kernels/staging' >> >> >> On Tue, Mar 14, 2017 at 12:19 AM, <valdis.kletnieks@xxxxxx> wrote: >>> On Mon, 13 Mar 2017 15:38:07 +0530, SIMRAN SINGHAL said: >>> >>>> >> # modinfo iio_dummy_evgen.ko >>>> >> filename: >>> >>>> >> vermagic: 4.11.0-rc1+ SMP mod_unload modversions >>>> >> >>>> >> >>>> >> $ uname -r >>>> >> 4.10.0-rc3+ >>> >>>> Greg, I got that I have to build the module against the kernel I am using. >>>> But, How can I do this? >>> >>> You can do this in two different ways: >>> >>> 1) You're running a 4.10.0-rc3+ kernel. Get the matching 4.10.0-rc3+ source >>> tree and build the module against that. >>> >>> 2) You built the module from a 4.11.0-rc1+ tree. Build a kernel from that tree, >>> boot that, and then try to load the module. >>> >>> > > You're running 4.10.0-rc3+. > Your module is 4.11.0-rc1+. > The command line you supplied shows you attempting to recompile your > module for 4.11.0-rc1+. Your module is already 4.11.0-rc1+. > As has been pointed out before, you need to either: > (a). recompile your module for 4.10.0-rc3+. > (b). or, install and boot into kernel 4.11.0-rc1+, and then try > loading your module. > > As a side note, what kernel tree are you developing your driver > against? staging-testing >The location of your staging drivers directory seems > different from Linus' tree: > ls -ld torvalds/drivers/staging/iio/ > drwxr-xr-x 14 sasha sasha 4096 Feb 13 21:24 torvalds/drivers/staging/iio/ > > Finally, please do not top-post. Sorry for this. _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
