linux-kernel - Re: [PATCH v3 3/3] usb: dwc3: add quirk USB_GADGET_QUIRK_EP_OUT_ALIGNED

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Message-ID: <5272B67B.6050509@linux.intel.com>
Date:	Thu, 31 Oct 2013 12:58:51 -0700
From:	David Cohen <david.a.cohen@...ux.intel.com>
To:	balbi@...com
CC:	gregkh@...uxfoundation.org, linux-usb@...r.kernel.org,
	linux-kernel@...r.kernel.org, stern@...land.harvard.edu,
	Paul.Zimmerman@...opsys.com
Subject: Re: [PATCH v3 3/3] usb: dwc3: add quirk USB_GADGET_QUIRK_EP_OUT_ALIGNED_SIZE
 to gadget driver

On 10/30/2013 10:35 AM, Felipe Balbi wrote:
> On Wed, Oct 30, 2013 at 10:06:18AM -0700, David Cohen wrote:
>> DWC3 requires epout to have buffer size aligned to MaxPacketSize value.
>> This patch adds necessary quirk for it.
>>
>> Signed-off-by: David Cohen <david.a.cohen@...ux.intel.com>
>> ---
>>  drivers/usb/dwc3/gadget.c | 6 ++++++
>>  1 file changed, 6 insertions(+)
>>
>> diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
>> index 5452c0f..528c7d7 100644
>> --- a/drivers/usb/dwc3/gadget.c
>> +++ b/drivers/usb/dwc3/gadget.c
>> @@ -2600,6 +2600,12 @@ int dwc3_gadget_init(struct dwc3 *dwc)
>>  	dwc->gadget.name		= "dwc3-gadget";
>>  
>>  	/*
>> +	 * Per databook, DWC3 needs buffer size to be aligned to MaxPacketSize
>> +	 * on ep out.
>> +	 */
>> +	dwc->gadget.quirk_ep_out_aligned_size = 1;
> 
> just to make it look cooler and neater, could you set to 'true' instead
> :-)

'bool' is an alien in C :)
But I can change to true in next patch set.

Br, David Cohen

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