Re: [PATCH] usb: gadget: gadgetfs: correct dev state

[Marcus Nutzinger]

Hi Sergei,

On Jun 5, 2014, at 4:18 PM, Sergei Shtylyov <sergei.shtylyov@xxxxxxxxxxxxxxxxxx> wrote:

>   Please also specify that commit's summary line in parens.

I'll resubmit the updated patch in a minute!

>> +	/* other endpoints were all decoupled from this device */
>> +	spin_lock_irq(&dev->lock);
>> +	dev->state = STATE_DEV_DISABLED;
>> +	spin_unlock_irq(&dev->lock);
> 
>   Not sure I understand why you need spinlock here... isn't the assignment atomic already?


Sure, an assignment might be atomic. However, following the policy of commit 7489d149
(USB: gadgetfs cleanups) all ep0 state changes shall be protected by spinlocks.

Thanks,
Marcus

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