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