linux-kernel - Re: [PATCH 1/3] dm9601: enable EP3 interrupt

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Date:	Thu, 10 Mar 2016 22:55:14 +0100
From:	Peter Korsgaard <peter@...sgaard.com>
To:	Joseph CHANG <josright123@...il.com>
Cc:	Peter Korsgaard <jacmet@...site.dk>, netdev@...r.kernel.org,
	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
	Joseph Chang <joseph_chang@...icom.com.tw>
Subject: Re: [PATCH 1/3] dm9601: enable EP3 interrupt

>>>>> "Joseph" == Joseph CHANG <josright123@...il.com> writes:

 > Enable chip's EP3 interrupt to get the link-up notify soon
 > immediately.

Sorry, what do you mean about 'soon immediately'?

 > +
 > +		/* Always return 8-bytes data to host per interrupt-interval */
 > +		dm_write_reg(dev, DM_USB_CTRL, USB_CTRL_EP3ACK);

Why would we want to do that instead of the current setup that afaik
only returns data when the link status changes?

-- 
Bye, Peter Korsgaard