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-rw-r--r--arch/x86/kernel/tsc_msr.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/x86/kernel/tsc_msr.c b/arch/x86/kernel/tsc_msr.c
index f0951c2e9f28..27ef714d886c 100644
--- a/arch/x86/kernel/tsc_msr.c
+++ b/arch/x86/kernel/tsc_msr.c
@@ -29,6 +29,11 @@ struct freq_desc {
u32 freqs[MAX_NUM_FREQS];
};
+/*
+ * Penwell and Clovertrail use spread spectrum clock,
+ * so the freq number is not exactly the same as reported
+ * by MSR based on SDM.
+ */
static const struct freq_desc freq_desc_pnw = {
0, { 0, 0, 0, 0, 0, 99840, 0, 83200 }
};