linux-kernel - RE: [PATCH v15 10/10] usb:dummy_hcd: Force FS device connection according to module parameter

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Date:	Tue, 7 Jun 2011 21:47:59 +0300
From:	"Tanya Brokhman" <tlinder@...eaurora.org>
To:	"'Alan Stern'" <stern@...land.harvard.edu>
Cc:	<greg@...ah.com>, <linux-usb@...r.kernel.org>,
	<linux-arm-msm@...r.kernel.org>, <balbi@...com>,
	<ablay@...eaurora.org>,
	"'open list'" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH v15 10/10] usb:dummy_hcd: Force FS device connection according to module parameter

> > I'm not talking about dummy_hcd. It was a general comment about the
> gadget
> > code. I can't give you an example from the top of my head...
> 
> Oh.  Well, if you're writing new code and you come across a place where
> an error message really is needed, you should add the error message.

Ok, I'll take that into consideration. Since I'm new here I was "afraid" to
add any changes that are not really required :)

 
> But if the parameters are contradictory, you don't know _how_ to fix
> it.  If is_super_speed is True and is_high_speed is False, did the user
> want to add SuperSpeed support or to remove high-speed support?
> 
> Besides, the best (i.e., easiest and most likely to be correct) way of
> fixing the error is for the user to issue the modprobe command again,
> with the correct parameters this time.  Therefore the driver should
> fail to load, so that the modprobe can be reissued with no need to do
> rmmod first.
> 

Ok, agreed. I'll update the patch.


Thanks,
Tanya Brokhman
---
Sent by an consultant of the Qualcomm Innovation Center, Inc.
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum.




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