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path: root/drivers/net/ethernet/sfc/falcon.c
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Diffstat (limited to 'drivers/net/ethernet/sfc/falcon.c')
-rw-r--r--drivers/net/ethernet/sfc/falcon.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/ethernet/sfc/falcon.c b/drivers/net/ethernet/sfc/falcon.c
index 94bf4aaf984d..4dd1748a19c6 100644
--- a/drivers/net/ethernet/sfc/falcon.c
+++ b/drivers/net/ethernet/sfc/falcon.c
@@ -104,6 +104,8 @@ static void falcon_push_irq_moderation(struct efx_channel *channel)
efx_dword_t timer_cmd;
struct efx_nic *efx = channel->efx;
+ BUILD_BUG_ON(EFX_IRQ_MOD_MAX > (1 << FRF_AB_TC_TIMER_VAL_WIDTH));
+
/* Set timer register */
if (channel->irq_moderation) {
EFX_POPULATE_DWORD_2(timer_cmd,
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