On Wed, Dec 12, 2018 at 8:54 PM Marek Vasut marex@denx.de wrote:
On 12/12/2018 12:49 PM, Siva Durga Prasad Paladugu wrote:
For USB3.0 the max packetsize for GET_DESCRIPTOR should be
nits: USB 3.0, packet size
sent as exponent value for 2. This means for 512, max packet size should be filled with 9(2^9=512). Also, fill the USB version field with 3.0 if speed is negotiated to Superspeed. This fixes the issue of DFU gadget download failure with superspeed. With out this patch, the max packet size is
nits: Without
overflowed to zero as the bMaxPacketsize is of u8 and hence host is not able to detect this device.
Signed-off-by: Siva Durga Prasad Paladugu siva.durga.paladugu@xilinx.com
CCing Bin, I'd like his AB/RB.
drivers/usb/gadget/composite.c | 17 +++++++++++++++-- 1 file changed, 15 insertions(+), 2 deletions(-)
Reviewed-by: Bin Meng bmeng.cn@gmail.com
Regards, Bin