Re: [PATCH 4/8] usb: dwc3: implement stream transfer timeout

[Andy Shevchenko]

On Wed, Jul 25, 2018 at 2:51 PM, Anurag Kumar Vulisha
<anurag.kumar.vulisha@xxxxxxxxxx> wrote:
> According to dwc3 databook when streams are used, it may be possible
> for the host and device become out of sync, where device may wait for
> host to issue prime transcation and host may wait for device to issue
> erdy. To avoid such deadlock, timeout needs to be implemented. After
> timeout occurs, device will first stop transfer and restart the transfer
> again. This patch does the same.

> +/*
> + * Timeout value in msecs used by stream_timeout_timer when streams are enabled
> + */
> +#define STREAM_TIMEOUT         50

Perhaps, STREAM_TIMEOUT_MS 50

Dunno about this driver, but it's a usual practice to help reader with
understanding code on the first glance.

-- 
With Best Regards,
Andy Shevchenko