Retropie 4.4 Error! Bad return status for module build on kernel: 4.14.30-v7+ (armv7l)

[DRAgon734465502]

I follow the step https://github.com/recalbox/mk_arcade_joystick_rpi -->Manual Installation-->3.b - Or compile and install with dkms:

I get the error

pi@retropie:~/mk_arcade_joystick_rpi-master $ sudo cp -a * /usr/src/mk_arcade_joystick_rpi-0.1.5/ pi@retropie:~/mk_arcade_joystick_rpi-master $ export MKVERSION=0.1.5 pi@retropie:~/mk_arcade_joystick_rpi-master $ sudo -E dkms build -m mk_arcade_joystick_rpi -v 0.1.5

Creating symlink /var/lib/dkms/mk_arcade_joystick_rpi/0.1.5/source -> /usr/src/mk_arcade_joystick_rpi-0.1.5

DKMS: add completed.

Kernel preparation unnecessary for this kernel. Skipping...

Building module: cleaning build area.... make -j4 KERNELRELEASE=4.14.30-v7+ all KVERSION=4.14.30-v7+....(bad exit status: 2) Error! Bad return status for module build on kernel: 4.14.30-v7+ (armv7l) Consult /var/lib/dkms/mk_arcade_joystick_rpi/0.1.5/build/make.log for more information.

It can work fine at old Retropie 4.3 version but when I try it at Retropie 4.3 get the error

Error! Bad return status for module build on kernel: 4.14.30-v7+ (armv7l)

[Michael5490]

Hi

I also have this Problem and spend hours to fix it. Badly I couldn't find a solution. Mk Arcade Joystick doesn't work with Retropie from 4.14.

KMS: build completed. Error! echo Your kernel headers for kernel 4.14.21+ cannot be found at /lib/modules/4.14.21+/build or /lib/modules/4.14.21+/source. Error! echo Your kernel headers for kernel 4.14.21-v7+ cannot be found at /lib/modules/4.14.21-v7+/build or /lib/modules/4.14.21-v7+/source.

[gallochri]

The problem is related to this change in kernel form 4.14 version: https://lwn.net/Articles/735887/

[rquast]

@gallochri thanks for the tip. Got it working with this:

pi@retropie:~ $ diff -u mk_arcade_joystick_rpi.c.broken mk_arcade_joystick_rpi.c
--- mk_arcade_joystick_rpi.c.broken 2019-05-25 00:28:44.860354625 +0000
+++ mk_arcade_joystick_rpi.c    2019-05-25 00:27:48.827657572 +0000
@@ -366,8 +366,8 @@
  * mk_timer() initiates reads of console pads data.
  */

-static void mk_timer(unsigned long private) {
-    struct mk *mk = (void *) private;
+static void mk_timer(struct timer_list *t) {
+    struct mk *mk = from_timer(mk, t, timer); 
     mk_process_packet(mk);
     mod_timer(&mk->timer, jiffies + MK_REFRESH_TIME);
 }
@@ -545,7 +545,7 @@
     }

     mutex_init(&mk->mutex);
-    setup_timer(&mk->timer, mk_timer, (long) mk);
+    timer_setup(&mk->timer, mk_timer, 0);

     for (i = 0; i < n_pads && i < MK_MAX_DEVICES; i++) {
         if (!pads[i])

[gallochri]

Great! could you make a pull request?

[rquast]

@gallochri I haven't done any driver code before, but I assume I'd have to wrap the differences in a macro like the one that was mentioned here right?: https://stackoverflow.com/questions/53839625/adaptation-from-old-init-timer-to-new-timer-setup

If I wrap that then do a PR, you think that will keep it working for all kernels without any breaking changes?

[gallochri]

I've never written kernel modules to, but I think it's the right way. If you will do the PR someone will evaluate better...

[Sandman614]

@gallochri thanks for the tip. Got it working with this:

pi@retropie:~ $ diff -u mk_arcade_joystick_rpi.c.broken mk_arcade_joystick_rpi.c
--- mk_arcade_joystick_rpi.c.broken   2019-05-25 00:28:44.860354625 +0000
+++ mk_arcade_joystick_rpi.c  2019-05-25 00:27:48.827657572 +0000
@@ -366,8 +366,8 @@
  * mk_timer() initiates reads of console pads data.
  */

-static void mk_timer(unsigned long private) {
-    struct mk *mk = (void *) private;
+static void mk_timer(struct timer_list *t) {
+    struct mk *mk = from_timer(mk, t, timer); 
     mk_process_packet(mk);
     mod_timer(&mk->timer, jiffies + MK_REFRESH_TIME);
 }
@@ -545,7 +545,7 @@
     }

     mutex_init(&mk->mutex);
-    setup_timer(&mk->timer, mk_timer, (long) mk);
+    timer_setup(&mk->timer, mk_timer, 0);

     for (i = 0; i < n_pads && i < MK_MAX_DEVICES; i++) {
         if (!pads[i])

This worked a treat!

[martinville]

@gallochri thanks for the tip. Got it working with this:

pi@retropie:~ $ diff -u mk_arcade_joystick_rpi.c.broken mk_arcade_joystick_rpi.c
--- mk_arcade_joystick_rpi.c.broken   2019-05-25 00:28:44.860354625 +0000
+++ mk_arcade_joystick_rpi.c  2019-05-25 00:27:48.827657572 +0000
@@ -366,8 +366,8 @@
  * mk_timer() initiates reads of console pads data.
  */

-static void mk_timer(unsigned long private) {
-    struct mk *mk = (void *) private;
+static void mk_timer(struct timer_list *t) {
+    struct mk *mk = from_timer(mk, t, timer); 
     mk_process_packet(mk);
     mod_timer(&mk->timer, jiffies + MK_REFRESH_TIME);
 }
@@ -545,7 +545,7 @@
     }

     mutex_init(&mk->mutex);
-    setup_timer(&mk->timer, mk_timer, (long) mk);
+    timer_setup(&mk->timer, mk_timer, 0);

     for (i = 0; i < n_pads && i < MK_MAX_DEVICES; i++) {
         if (!pads[i])

Hi Could you share how to execute this ? I copied and pasted and just got a whole bunch of errors. Guessing I'm doing to wrong :-)

[wickedweed]

@gallochri thanks for the tip. Got it working with this:

pi@retropie:~ $ diff -u mk_arcade_joystick_rpi.c.broken mk_arcade_joystick_rpi.c
--- mk_arcade_joystick_rpi.c.broken 2019-05-25 00:28:44.860354625 +0000
+++ mk_arcade_joystick_rpi.c    2019-05-25 00:27:48.827657572 +0000
@@ -366,8 +366,8 @@
  * mk_timer() initiates reads of console pads data.
  */

-static void mk_timer(unsigned long private) {
-    struct mk *mk = (void *) private;
+static void mk_timer(struct timer_list *t) {
+    struct mk *mk = from_timer(mk, t, timer); 
     mk_process_packet(mk);
     mod_timer(&mk->timer, jiffies + MK_REFRESH_TIME);
 }
@@ -545,7 +545,7 @@
     }

     mutex_init(&mk->mutex);
-    setup_timer(&mk->timer, mk_timer, (long) mk);
+    timer_setup(&mk->timer, mk_timer, 0);

     for (i = 0; i < n_pads && i < MK_MAX_DEVICES; i++) {
         if (!pads[i])

Hi Could you share how to execute this ? I copied and pasted and just got a whole bunch of errors. Guessing I'm doing to wrong :-)

Open up the mk_arcade_joystick_rpi file and do the following:

REPLACE: static void mk_timer(unsigned long private) { struct mk mk = (void ) private; WITH: static void mk_timer(struct timer_list t) { struct mk mk = from_timer(mk, t, timer);

REPLACE: setup_timer(&mk->timer, mk_timer, (long) mk); WITH: timer_setup(&mk->timer, mk_timer, 0);

[martinville]

Thanks for this. I eventually figured that i needed to replace the mentioned lines. Works perfectly with retro pi.