linux-kernel - Re: [PATCH net-next v02 1/6] hinic3: Add PF framework

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Message-ID: <1674cec4-4270-43e9-ba32-07d058a79b56@redhat.com>
Date: Tue, 21 Oct 2025 11:16:36 +0200
From: Paolo Abeni <pabeni@...hat.com>
To: Fan Gong <gongfan1@...wei.com>, Zhu Yikai <zhuyikai1@...artners.com>,
 netdev@...r.kernel.org, "David S. Miller" <davem@...emloft.net>,
 Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>,
 Simon Horman <horms@...nel.org>, Andrew Lunn <andrew+netdev@...n.ch>,
 Markus.Elfring@....de, pavan.chebbi@...adcom.com
Cc: linux-kernel@...r.kernel.org, linux-doc@...r.kernel.org,
 luosifu <luosifu@...wei.com>, Xin Guo <guoxin09@...wei.com>,
 Shen Chenyang <shenchenyang1@...ilicon.com>,
 Zhou Shuai <zhoushuai28@...wei.com>, Wu Like <wulike1@...wei.com>,
 Shi Jing <shijing34@...wei.com>, Luo Yang <luoyang82@...artners.com>,
 Meny Yossefi <meny.yossefi@...wei.com>, Gur Stavi <gur.stavi@...wei.com>
Subject: Re: [PATCH net-next v02 1/6] hinic3: Add PF framework

On 10/17/25 10:30 AM, Fan Gong wrote:
> @@ -431,11 +436,40 @@ static int hinic3_init_comm_ch(struct hinic3_hwdev *hwdev)
>  
>  static void hinic3_uninit_comm_ch(struct hinic3_hwdev *hwdev)
>  {
> +	hinic3_set_pf_status(hwdev->hwif, HINIC3_PF_STATUS_INIT);
>  	hinic3_free_cmdqs_channel(hwdev);
>  	hinic3_set_func_svc_used_state(hwdev, COMM_FUNC_SVC_T_COMM, 0);
>  	free_base_mgmt_channel(hwdev);
>  }
>  
> +static void hinic3_auto_sync_time_work(struct work_struct *work)
> +{
> +	struct delayed_work *delay = to_delayed_work(work);
> +	struct hinic3_hwdev *hwdev;
> +
> +	hwdev = container_of(delay, struct hinic3_hwdev, sync_time_task);
> +	queue_delayed_work(hwdev->workq, &hwdev->sync_time_task,
> +			   msecs_to_jiffies(HINIC3_SYNFW_TIME_PERIOD));

It looks like the above unconditionally reschedule itself (also
apparently it's not sync-ing anything?!?)...

> +}
> +
> +static void hinic3_init_ppf_work(struct hinic3_hwdev *hwdev)
> +{
> +	if (hinic3_ppf_idx(hwdev) != hinic3_global_func_id(hwdev))
> +		return;
> +
> +	INIT_DELAYED_WORK(&hwdev->sync_time_task, hinic3_auto_sync_time_work);
> +	queue_delayed_work(hwdev->workq, &hwdev->sync_time_task,
> +			   msecs_to_jiffies(HINIC3_SYNFW_TIME_PERIOD));
> +}
> +
> +static void hinic3_free_ppf_work(struct hinic3_hwdev *hwdev)
> +{
> +	if (hinic3_ppf_idx(hwdev) != hinic3_global_func_id(hwdev))
> +		return;
> +
> +	cancel_delayed_work_sync(&hwdev->sync_time_task);

So here disable_delayed_work_sync() should be used.

> +}
> +
>  static DEFINE_IDA(hinic3_adev_ida);
>  
>  static int hinic3_adev_idx_alloc(void)
> @@ -498,15 +532,19 @@ int hinic3_init_hwdev(struct pci_dev *pdev)
>  		goto err_uninit_comm_ch;
>  	}
>  
> +	hinic3_init_ppf_work(hwdev);
> +
>  	err = hinic3_set_comm_features(hwdev, hwdev->features,
>  				       COMM_MAX_FEATURE_QWORD);
>  	if (err) {
>  		dev_err(hwdev->dev, "Failed to set comm features\n");
> -		goto err_uninit_comm_ch;
> +		goto err_free_ppf_work;
>  	}
>  
>  	return 0;
>  
> +err_free_ppf_work:
> +	hinic3_free_ppf_work(hwdev);

I don't see a similar call in the device cleanup?!?

/P