On Wed, Jun 24, 2020 at 02:22:08PM -0400, Dennis Dalessandro wrote: > On 6/22/2020 8:52 PM, Nathan Chancellor wrote: > > Clang warns: > > > > drivers/infiniband/hw/hfi1/qp.c:198:9: warning: implicit conversion from > > enumeration type 'enum opa_mtu' to different enumeration type 'enum > > ib_mtu' [-Wenum-conversion] > > mtu = OPA_MTU_8192; > > ~ ^~~~~~~~~~~~ > > 1 warning generated. > > > > enum opa_mtu extends enum ib_mtu. There are typically two ways to deal > > with this: > > > > * Remove the expected types and just use 'int' for all parameters and > > types. > > > > * Explicitly cast the enums between each other. > > > > This driver chooses to do the later so do the same thing here. > > > > Fixes: 6d72344cf6c4 ("IB/ipoib: Increase ipoib Datagram mode MTU's upper limit") > > Link: https://github.com/ClangBuiltLinux/linux/issues/1062 > > Link: https://lore.kernel.org/linux-rdma/20200527040350.GA3118979@ubuntu-s3-xlarge-x86/ > > Signed-off-by: Nathan Chancellor <natechancellor@xxxxxxxxx> > > --- > > Acked-by: Dennis Dalessandro <dennis.dalessandro@xxxxxxxxx> > Thanks! Who should pick up this patch? This warning is in mainline now, it would be nice if this could go via an -rc branch but if it is too late for that, I understand. Cheers, Nathan