From: Wei Zhao <wei.zhao1@intel.com>
To: dev@dpdk.org
Cc: stable@dpdk.org, qi.z.zhang@intel.com, xiaolong.ye@intel.com,
Wei Zhao <wei.zhao1@intel.com>
Subject: [dpdk-dev] [PATCH] net/ice: disable useless interrupt
Date: Wed, 30 Oct 2019 15:46:44 +0800 [thread overview]
Message-ID: <1572421604-14087-1-git-send-email-wei.zhao1@intel.com> (raw)
This is a useless interrupt which will cause
intr every time when download FDIR rte_flow rule.
Fixes: cf911d90e366 ("net/ice: support link update")
Cc: stable@dpdk.org
Signed-off-by: Wei Zhao <wei.zhao1@intel.com>
---
drivers/net/ice/ice_ethdev.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/net/ice/ice_ethdev.c b/drivers/net/ice/ice_ethdev.c
index d746758..404d734 100644
--- a/drivers/net/ice/ice_ethdev.c
+++ b/drivers/net/ice/ice_ethdev.c
@@ -1225,6 +1225,8 @@ ice_pf_enable_irq0(struct ice_hw *hw)
GLINT_DYN_CTL_INTENA_M |
GLINT_DYN_CTL_CLEARPBA_M |
GLINT_DYN_CTL_ITR_INDX_M);
+ /* disable useless intr */
+ ICE_WRITE_REG(hw, GL_MDCK_TX_TDPU, 0x2);
ice_flush(hw);
}
--
2.7.5
next reply other threads:[~2019-10-30 8:20 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-30 7:46 Wei Zhao [this message]
2019-10-31 1:50 ` [dpdk-dev] [PATCH] net/ice: disable useless interrupt Zhao1, Wei
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