[FSL P50x0] Kernel 6.9-rc1 compiling issue

I have created a patch:

--- a/arch/powerpc/platforms/85xx/smp.c 2024-03-25 06:14:02.201209476 +0100
+++ b/arch/powerpc/platforms/85xx/smp.c 2024-03-25 06:10:04.421425931 +0100

@@ -393,6 +393,7 @@ static void mpc85xx_smp_kexec_cpu_down(i
         int disable_threadbit = 0;
         long start = mftb();
         long now;
+       int crashing_cpu = -1;

         local_irq_disable();
         hard_irq_disable();

---

-- Christian

On 25 March 2024 at 05:48 am, Christian Zigotzky wrote:

Hi All,

Compiling of the RC1 of kernel 6.9 doesn’t work anymore for our FSL 
P5020/P5040 boards [1] since the PowerPC updates 6.9-2 [2].

Error messages:

arch/powerpc/platforms/85xx/smp.c: In function 
'mpc85xx_smp_kexec_cpu_down':
arch/powerpc/platforms/85xx/smp.c:401:13: error: 'crashing_cpu' 
undeclared (first use in this function); did you mean 'crash_save_cpu'?
  401 |  if (cpu == crashing_cpu && cpu_thread_in_core(cpu) != 0) {
      |             ^~~~~~~~~~~~
      |             crash_save_cpu
arch/powerpc/platforms/85xx/smp.c:401:13: note: each undeclared 
identifier is reported only once for each function it appears in
make[5]: *** [scripts/Makefile.build:244: 
arch/powerpc/platforms/85xx/smp.o] Error 1
make[4]: *** [scripts/Makefile.build:485: arch/powerpc/platforms/85xx] 
Error 2
make[3]: *** [scripts/Makefile.build:485: arch/powerpc/platforms] Error 2
make[2]: *** [scripts/Makefile.build:485: arch/powerpc] Error 2

---

I was able to revert it. After that the compiling works again.

Could you please check the PowerPC updates 6.9-2? [2]

Thanks,
Christian

[1] http://wiki.amiga.org/index.php?title=X5000
[2] 
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?h=v6.9-rc1&id=484193fecd2b6349a6fd1554d306aec646ae1a6a