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Re: [Qemu-devel] [PATCH] usb/vmstate: add parent dev path


From: Andreas Färber
Subject: Re: [Qemu-devel] [PATCH] usb/vmstate: add parent dev path
Date: Thu, 22 Mar 2012 16:12:12 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:10.0.2) Gecko/20120215 Thunderbird/10.0.2

Am 22.03.2012 15:37, schrieb Gerd Hoffmann:
>>> +            .driver   = "USB",
>>> +            .property = "full-path",
>>> +            .value    = "no",
>>
>> This touches on our "favorite" bit/bool topic again. While I agree that
>> "no" makes sense for a property of that name, the current code still
>> expects "on" and "off". In particular, "yes" would not work as expected.
> 
> "no" *does* work as expected though, at least it survived my tests,
> thats why I didn't notice.
> 
> I can s/no/off/ for consistency, no problem.  Merging your yes/no patch
> is fine with me too.

I stand corrected: Michael Roth's conversion of qdev properties to use
visitors implicitly changed the parsing logic to cover yes/no and
true/false as well. That's great news!

So no change of .value is needed here. The only thing to note is that
print_bit() will output the value as on/off.

Sorry for the confusion,

Andreas

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