linux-kernel - Re: [PATCH v6] usb: Reduce the 'SET_ADDRESS' request timeout with a new quirk

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Date:   Fri, 27 Oct 2023 10:45:47 -0400
From:   Alan Stern <stern@...land.harvard.edu>
To:     Hardik Gajjar <hgajjar@...adit-jv.com>
Cc:     gregkh@...uxfoundation.org, mathias.nyman@...el.com,
        linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
        erosca@...adit-jv.com
Subject: Re: [PATCH v6] usb: Reduce the 'SET_ADDRESS' request timeout with a
 new quirk

On Fri, Oct 27, 2023 at 11:57:35AM +0200, Hardik Gajjar wrote:
> On Thu, Oct 26, 2023 at 02:34:22PM -0400, Alan Stern wrote:
> > As remarked earlier, we don't need to have the "_MS" suffix on either 
> > the macro name or the "timeout_ms" variable name.  Removing the suffix 
> > will be more consistent with the USB_TP_TRANSMISSION_DELAY_MAX and 
> > USB_PING_RESPONSE_TIME names you see above.
> 
> I understand the suffix _MS in macro but the suffix is variable name was
> added after the comment about timeout unit from Greg in patchV2.
> 
> https://marc.info/?l=linux-usb&m=169687322126192&w=2

Greg merely wanted you to document what the timeout units are.  You can 
do this either by adding a "_ms" suffix to the variable name or by 
mentioning it in a comment.  For example:

+	unsigned int timeout = USB_CTRL_SET_TIMEOUT;	/* ms */

Alan Stern