[U-Boot] [UBOOT RFC PATCH 13/13] dwc3: core: Change the bounce buffer size to 4096

Kishon Vijay Abraham I
2014-08-19T16:15:11Z

Hi,

On Monday 18 August 2014 08:11 PM, Felipe Balbi wrote:
> On Mon, Aug 18, 2014 at 07:58:35PM +0530, Kishon Vijay Abraham I wrote:
>> Bounce buffer is used for transferring requests which is not maxpacket
>> aligned. In the case of DFU the requests can be upto 4096 bytes.
>>
>> While the actual fix for this should be using two chained TRBs to handle
>> the transfer, this can be used as a temporary fix.
>
> Did you manage to trigger this fault ? Was the size larger than 512 ?

yeah.. transferring any kernel image resulted in a size larger than 512.
> I'm inclined into getting a real fix instead of just patching around.
>
> That way, the kernel benefits too as we can port the same patch there.

sure.

Thanks
Kishon