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-rw-r--r--src/peripheral/cpuid.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/peripheral/cpuid.rs b/src/peripheral/cpuid.rs
index 7b86ddc..1eb0869 100644
--- a/src/peripheral/cpuid.rs
+++ b/src/peripheral/cpuid.rs
@@ -90,7 +90,7 @@ impl CPUID {
unsafe {
self.csselr.write(
- (((level as u32) << CSSELR_LEVEL_POS) & CSSELR_LEVEL_MASK)
+ ((u32::from(level) << CSSELR_LEVEL_POS) & CSSELR_LEVEL_MASK)
| (((ind as u32) << CSSELR_IND_POS) & CSSELR_IND_MASK),
)
}