Hi, On Tuesday 19 August 2014 09:57 PM, Felipe Balbi wrote: > On Tue, Aug 19, 2014 at 09:45:11PM +0530, Kishon Vijay Abraham I wrote: >> 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. > > but it's also larger than 4KiB :-)
Yeah. But the DFU specifies the maximum transfer size in wTransferSize (DFU function descriptor) to the host which is 4096 bytes (DFU_USB_BUFSIZ). So the max size will be only 4KB. Thanks Kishon _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
