On Thu, 9 May 2024, Christoph Fritz wrote: > On Mon, 2024-05-06 at 19:53 +0300, Ilpo Järvinen wrote: > > On Thu, 2 May 2024, Christoph Fritz wrote: > > > > > This patch introduces driver support for the hexLIN USB LIN bus adapter, > > > enabling LIN communication over USB for both controller and responder > > > modes. The driver interfaces with the CAN_LIN framework for userland > > > connectivity. > > > > > > For more details on the adapter, visit: https://hexdev.de/hexlin/ > > > > > > Tested-by: Andreas Lauser <andreas.lauser@xxxxxxxxxxxxxxxxx> > > > Signed-off-by: Christoph Fritz <christoph.fritz@xxxxxxxxx> > > > --- > > > + le32_to_cpus(hxf.flags); > > > > You must use correct endianess typing. The struct hexlin_frame should have > > __le32 flags so sparse's endianness check is happy. > > OK > > > > > But .flags are not used at all so why is this required in the first place? > > Was necessary in the development process and will be used in hid_dbg() > below in v4. Ok, I was expecting you'd print it out there but since it wasn't, I made the unused comment. BTW, you don't need to reply "OK" to me for the review comments which you're going to do in the next version. I trust you'll address those comments which are not replied into. It saves us both time :-). > > > + lf.len = hxf.len; > > > + lf.lin_id = hxf.lin_id; > > > + memcpy(lf.data, hxf.data, LIN_MAX_DLEN); > > > + lf.checksum = hxf.checksum; > > > + lf.checksum_mode = hxf.checksum_mode; > > > + > > > + hid_dbg(hdev, "id:%02x, len:%u, data:%*ph, checksum:%02x (%s)\n", > > > + lf.lin_id, lf.len, lf.len, lf.data, lf.checksum, > > > + lf.checksum_mode ? "enhanced" : "classic"); > > > + > > > + lin_rx(priv->ldev, &lf); > > > + > > > + return 0; > > > +} -- i.