generic: 6.12: fix compilation warnings

Fix compilation warnings.

Signed-off-by: Mieczyslaw Nalewaj <[email protected]>

target/linux/generic/hack-6.12/931-fix-compilation-warnings.patch

@@ -0,0 +1,23 @@
+--- a/include/linux/irq.h
++++ b/include/linux/irq.h
+@@ -1267,6 +1267,9 @@ static inline u32 irq_reg_readl(struct i
+ 		return readl(gc->reg_base + reg_offset);
+ }
+
++int get_c0_perfcount_int(void);
++unsigned int get_c0_compare_int(void);
++
+ struct irq_matrix;
+ struct irq_matrix *irq_alloc_matrix(unsigned int matrix_bits,
+ 				    unsigned int alloc_start,
+--- a/arch/mips/include/asm/switch_to.h
++++ b/arch/mips/include/asm/switch_to.h
+@@ -111,7 +111,7 @@ do {									\
+ 	__mips_mt_fpaff_switch_to(prev);				\
+ 	lose_fpu_inatomic(1, prev);					\
+ 	if (tsk_used_math(next))					\
+-		__sanitize_fcr31(next);					\
++		{ __sanitize_fcr31(next); }				\
+ 	if (cpu_has_dsp) {						\
+ 		__save_dsp(prev);					\
+ 		__restore_dsp(next);					\