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-rw-r--r--firmware/target/arm/system-pp502x.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/firmware/target/arm/system-pp502x.c b/firmware/target/arm/system-pp502x.c
index afffcd9283..1fe5860fb9 100644
--- a/firmware/target/arm/system-pp502x.c
+++ b/firmware/target/arm/system-pp502x.c
@@ -30,6 +30,10 @@
unsigned int ipod_hw_rev;
+#if NUM_CORES > 1
+struct mutex boostctrl_mtx NOCACHEBSS_ATTR;
+#endif
+
#ifndef BOOTLOADER
extern void TIMER1(void);
extern void TIMER2(void);