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lantiq: Fix build after kernel 5.15.150
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This fixes the following compile problem:
````
  CC      arch/mips/kernel/vpe-mt.o
arch/mips/kernel/vpe-mt.c: In function 'vpe_run':
arch/mips/kernel/vpe-mt.c:32:23: error: unused variable 'physical_memsize' [-Werror=unused-variable]
   32 |         unsigned long physical_memsize = 0L;
      |                       ^~~~~~~~~~~~~~~~
cc1: all warnings being treated as errors
make[6]: *** [scripts/Makefile.build:289: arch/mips/kernel/vpe-mt.o] Error 1
````

physical_memsize was removed from upstream kernel, see:
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=linux-5.15.y&id=5b4f6c5ff65c8551018ccea40c569afd759734c0

Fixes: 387fde0 ("kernel: bump 5.15 to 5.15.150")
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
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hauke committed Mar 8, 2024
1 parent abbe909 commit 9cfa5f7
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Showing 2 changed files with 3 additions and 11 deletions.
12 changes: 2 additions & 10 deletions target/linux/lantiq/patches-5.15/0152-lantiq-VPE.patch
Original file line number Diff line number Diff line change
Expand Up @@ -67,15 +67,7 @@ Signed-off-by: Stefan Koch <stefan.koch10@gmail.com>
#endif /* _ASM_VPE_H */
--- a/arch/mips/kernel/vpe-mt.c
+++ b/arch/mips/kernel/vpe-mt.c
@@ -29,6 +29,7 @@ int vpe_run(struct vpe *v)
struct vpe_notifications *notifier;
unsigned int vpeflags;
struct tc *t;
+ unsigned long physical_memsize = 0L;

/* check we are the Master VPE */
local_irq_save(flags);
@@ -415,6 +416,8 @@ int __init vpe_module_init(void)
@@ -415,6 +415,8 @@ int __init vpe_module_init(void)
}

v->ntcs = hw_tcs - aprp_cpu_index();
Expand All @@ -84,7 +76,7 @@ Signed-off-by: Stefan Koch <stefan.koch10@gmail.com>

/* add the tc to the list of this vpe's tc's. */
list_add(&t->tc, &v->tc);
@@ -518,3 +521,47 @@ void __exit vpe_module_exit(void)
@@ -518,3 +520,47 @@ void __exit vpe_module_exit(void)
release_vpe(v);
}
}
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Original file line number Diff line number Diff line change
Expand Up @@ -10,7 +10,7 @@ Signed-off-by: Stefan Koch <stefan.koch10@gmail.com>

--- a/arch/mips/kernel/vpe-mt.c
+++ b/arch/mips/kernel/vpe-mt.c
@@ -131,7 +131,10 @@ int vpe_run(struct vpe *v)
@@ -130,7 +130,10 @@ int vpe_run(struct vpe *v)
* kernels need to turn it on, even if that wasn't the pre-dvpe() state.
*/
#ifdef CONFIG_SMP
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