On Fri, 24 Jan 2025 03:01:48 +0100, Neil Armstrong wrote: > The SCSI specification originally required that the second > Command Data Byte contain the LUN value in its high-order bits, > but this field has been marked as reserved since the SCSI-3 spec > from 1996. > > Some vendors uses this byte to pass vendor specific data, > and specifying the LUN can trigger strange behaviors. > For the record, this happened on an UFS device where LUN0 was > working perfectly and reading the other LUNs would get the last > buffer data that was read for LUN0, making this issue very very > hard to debug. > > [...]
Applied to u-boot/master, thanks! -- Tom
