netdev - Re: RESEND [PATCH 3/3] NetXen: Graceful teardown of interface and hardware upon module unload

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Date:	Sun, 1 Jul 2007 22:23:04 +0200
From:	Michael Buesch <mb@...sch.de>
To:	dhananjay.phadke@...il.com
Cc:	netdev@...r.kernel.org, rob@...xen.com,
	Milan Bag <mbag@...xen.com>, Wen Xiong <wenxiong@...ibm.com>
Subject: Re: RESEND [PATCH 3/3] NetXen: Graceful teardown of interface and hardware upon module unload

On Sunday 01 July 2007 20:56:01 dhananjay.phadke@...il.com wrote:
> These changes allow driver close routine to be called during module unload,
> to clean-up buffers and other software resources, flush queues etc. Also,
> hardware is reset to pristine state. 
> 
> Signed-off-by: Dhananjay Phadke <dhananjay@...xen.com>
> Signed-off-by: Milan Bag <mbag@...xen.com>
> Signed-off-by: Wen Xiong <wenxiong@...ibm.com>
> 


> +			msleep(1);
> +			if (netxen_load_firmware(adapter))
> +				return;
> +			netxen_phantom_init(adapter, NETXEN_NIC_PEG_TUNE);
> +		}
> +
> +		/* clear the register for future unloads/loads */
> +		writel(0, NETXEN_CRB_NORMALIZE(adapter, NETXEN_CAM_RAM(0x1fc)));
> +		printk(KERN_INFO "State: 0x%0x\n",
> +			readl(NETXEN_CRB_NORMALIZE(adapter, CRB_CMDPEG_STATE)));
> +
> +		dma_watchdog_shutdown_request(adapter);
> +		mdelay(100);
> +		i = 100;
> +		while ((dma_watchdog_shutdown_poll_result(adapter) != 1) && i) {
> +			printk(KERN_INFO "dma_watchdog_shutdown_poll still in progress\n");
> +			mdelay(100);
> +			i--;
> +		}

msleep, please.

-- 
Greetings Michael.
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