netdev - Re: [PATCH net 5/5] net: hns3: add 5ms delay before clear firmware reset irq source

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Message-ID: <20230916153106.GE1125562@kernel.org>
Date: Sat, 16 Sep 2023 17:31:06 +0200
From: Simon Horman <horms@...nel.org>
To: Jijie Shao <shaojijie@...wei.com>
Cc: yisen.zhuang@...wei.com, salil.mehta@...wei.com, davem@...emloft.net,
	edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
	shenjian15@...wei.com, wangjie125@...wei.com,
	liuyonglong@...wei.com, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH net 5/5] net: hns3: add 5ms delay before clear firmware
 reset irq source

On Fri, Sep 15, 2023 at 05:53:05PM +0800, Jijie Shao wrote:
> From: Jie Wang <wangjie125@...wei.com>
> 
> Currently the reset process in hns3 and firmware watchdog init process is
> asynchronous. we think firmware watchdog initialization is completed
> before hns3 clear the firmware interrupt source. However, firmware
> initialization may not complete early.
> 
> so we add delay before hns3 clear firmware interrupt source and 5 ms delay
> is enough to avoid second firmware reset interrupt.
> 
> Signed-off-by: Jie Wang <wangjie125@...wei.com>
> Signed-off-by: Jijie Shao <shaojijie@...wei.com>

Hi Jijie Shao,

is it appropriate to add the following tag?

Fixes: c1a81619d73a ("net: hns3: Add mailbox interrupt handling to PF driver")