* [dpdk-stable] [PATCH] net/ice: disable useless interrupt
@ 2019-10-30 7:46 Wei Zhao
2019-10-31 1:50 ` Zhao1, Wei
0 siblings, 1 reply; 2+ messages in thread
From: Wei Zhao @ 2019-10-30 7:46 UTC (permalink / raw)
To: dev; +Cc: stable, qi.z.zhang, xiaolong.ye, Wei Zhao
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
^ permalink raw reply [flat|nested] 2+ messages in thread* Re: [dpdk-stable] [PATCH] net/ice: disable useless interrupt
2019-10-30 7:46 [dpdk-stable] [PATCH] net/ice: disable useless interrupt Wei Zhao
@ 2019-10-31 1:50 ` Zhao1, Wei
0 siblings, 0 replies; 2+ messages in thread
From: Zhao1, Wei @ 2019-10-31 1:50 UTC (permalink / raw)
To: dev; +Cc: stable, Zhang, Qi Z, Ye, Xiaolong, Fu, Qi
Tested-by: Qi Fu < qi.fu@intel.com>
> -----Original Message-----
> From: Zhao1, Wei
> Sent: Wednesday, October 30, 2019 3:47 PM
> To: dev@dpdk.org
> Cc: stable@dpdk.org; Zhang, Qi Z <qi.z.zhang@intel.com>; Ye, Xiaolong
> <xiaolong.ye@intel.com>; Zhao1, Wei <wei.zhao1@intel.com>
> Subject: [PATCH] net/ice: disable useless interrupt
>
> 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
^ permalink raw reply [flat|nested] 2+ messages in thread
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