I am doing an activity regarding cortex communication between M4 and A7 on IMX.7 dual sabre board
I am building an linux kernel by enabling following options:in menuconfig /drivers/rpmsg drivers
<*> Rpmsg device interface
I am getting following build error please help me with the issue
drivers/rpmsg/rpmsg_char.c:272:10: error: implicit declaration of function 'rpmsg_poll'; did you mean 'rpmsg_send'? [-Werror=implicit-function-declaration] mask |= rpmsg_poll(eptdev->ept, filp, wait); ^~~~~~~~~~ rpmsg_sendcc1: some warnings being treated as errorsscripts/Makefile.build:293: recipe for target 'drivers/rpmsg/rpmsg_char.o' failedmake: *** [drivers/rpmsg/rpmsg_char.o] Error 1scripts/Makefile.build:544: recipe for target 'drivers/rpmsg' failedmake: *** [drivers/rpmsg] Error 2make: *** Waiting for unfinished jobs....Makefile:997: recipe for target 'drivers' failedmake: *** [drivers] Error 2
Could you tell me which BSP version are you using?
Also, I suppose you are trying to build both modules at the same time, correct?
If you try with one at a time, do you see the same behavior?