ipq807x: Add delay for Get descriptor
REQUEST SUMMARY
Setup Data 8006000200000900 Direction Device-to-host
Type Standard Recipient Device
bRequest GET_DESCRIPTOR wValue CONFIGURATION, Index 0
wIndex 0x0000 wLength 0x0009
DECODING INFORMATION
Field Length(bits) Offset(bits) Decoded HexValue Description
bRequest 8 8 GET_DESCRIPTOR 0x06 bRequest HexVal: 0x06
wValue 16 16 CONFIGURATION type, Index 0 0x0200 Type of Descriptor
wIndex 16 32 0x0000 0x0000 index info
DEVICE_QUALIFIER
Descriptor(128 bytes) Field Length(bits) Offset(bits) Decoded HexValue Description
bLength 8 0 0x80 0x80 Descriptor size is 128 bytes
bDescriptorType 8 8 0x06 0x06 DEVICE_QUALIFIER Descriptor Type
bcdUSB 16 16 0x0200 0x0200 USB Specification version 2.00
bDeviceClass 8 32 0x00 0x00 Each interface specifies its own class information
bDeviceSubClass 8 40 0x00 0x00 Each interface specifies its own Subclass information
bDeviceProtocol 8 48 0x09 0x09 Protocol code = 9
bMaxPacketSize0 8 56 0x00 0x00 The Maximum packet size 0 for endpoint zero is invalid! (Only 8,16,32,or 64 are valid)
bNumConfigurations 8 64 0x09 0x09 The device has 9 possible other-speed configurations
The Transcend device fails for get configuration descriptor length.
Adding a delay fixes the issue.
Change-Id: Ic337e94e6342163e57e652781544709d0c32edcc
Signed-off-by: Sham Muthayyan <smuthayy@codeaurora.org>
1 file changed