patches for DPDK stable branches
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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-stable] [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


             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 ` Zhao1, Wei

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