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path: root/drivers/net/ethernet/intel/ice/ice_common.c
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Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_common.c')
-rw-r--r--drivers/net/ethernet/intel/ice/ice_common.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_common.c b/drivers/net/ethernet/intel/ice/ice_common.c
index 157add1268d9..2a1ee60e85f4 100644
--- a/drivers/net/ethernet/intel/ice/ice_common.c
+++ b/drivers/net/ethernet/intel/ice/ice_common.c
@@ -2189,6 +2189,18 @@ ice_parse_1588_func_caps(struct ice_hw *hw, struct ice_hw_func_caps *func_p,
info->clk_freq = (number & ICE_TS_CLK_FREQ_M) >> ICE_TS_CLK_FREQ_S;
info->clk_src = ((number & ICE_TS_CLK_SRC_M) != 0);
+ if (info->clk_freq < NUM_ICE_TIME_REF_FREQ) {
+ info->time_ref = (enum ice_time_ref_freq)info->clk_freq;
+ } else {
+ /* Unknown clock frequency, so assume a (probably incorrect)
+ * default to avoid out-of-bounds look ups of frequency
+ * related information.
+ */
+ ice_debug(hw, ICE_DBG_INIT, "1588 func caps: unknown clock frequency %u\n",
+ info->clk_freq);
+ info->time_ref = ICE_TIME_REF_FREQ_25_000;
+ }
+
ice_debug(hw, ICE_DBG_INIT, "func caps: ieee_1588 = %u\n",
func_p->common_cap.ieee_1588);
ice_debug(hw, ICE_DBG_INIT, "func caps: src_tmr_owned = %u\n",