On Thu, Aug 12, 2021 at 03:16:58PM +1200, Paul Davey wrote: > I encountered some problems getting the MHI driver to work on an Octeon > 3 platform these seem to all be related to endianness issues. The modem > interface appears to require the DMA structures to be in little endian, > however the MHI core driver was assembling them in native endianness. > > Using little endian explicitly allows the interface to function as > expected. > > Changes in v4: > - add Fixes and Reviewed-By tags as requested/offered. > Changes in v3: > - removed change of doorbell helper functions db_val type from > dma_addr_t to __le64 favouring doing conversion only when writing to > context wp fields. > Changes in v2: > - use __fls instead of find_last_bit in pm_state conversion patch as > requested by Hemant Kumar <hemantk@xxxxxxxxxxxxxx> > > Paul Davey (2): > bus: mhi: Fix pm_state conversion to string > bus: mhi: Fix MHI DMA structure endianness I've included these two patches two my MHI endpoint patch series. But I hope to merge these along with MHI host cleanup patches separately for v5.18. Thanks, Mani > > drivers/bus/mhi/core/debugfs.c | 26 +++---- > drivers/bus/mhi/core/init.c | 43 ++++++------ > drivers/bus/mhi/core/internal.h | 119 ++++++++++++++++---------------- > drivers/bus/mhi/core/main.c | 22 +++--- > drivers/bus/mhi/core/pm.c | 4 +- > 5 files changed, 109 insertions(+), 105 deletions(-) > > -- > 2.32.0 >
