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

From: Peter Korsgaard
Date: Thu Mar 10 2016 - 16:55:26 EST


>>>>> "Joseph" == Joseph CHANG <josright123@xxxxxxxxx> 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