• Greg Kroah-Hartman's avatar
    Merge tag 'mhi-for-v5.19' of... · 46ee6bca
    Greg Kroah-Hartman authored
    Merge tag 'mhi-for-v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/mani/mhi into char-work-next
    
    Manivannan writes:
    
    MHI changes for v5.19
    
    MHI Host
    --------
    
    Support for new modems:
    
     - Foxconn Cinterion MV32-WA/MV32-WB based on SDX62/SDX65
     - Telit FN980 v1 based on SDX55
     - Telit FN990 based on SDX65
     - Foxconn T99W373/T99W368 based on SDX62/SDX65
    
    Core changes:
    
     - During the recycle of event ring elements, compute the ctxt_wp based on the
       local cached value instead of reading from shared memory. This is to prevent
       the possible corruption of the ctxt_wp as some of the endpoint devices could
       modify the value in shared memory.
    
     - Add sysfs support for resetting the endpoint based on the MHI spec. The MHI
       spec allows the host to hard reset the device in the case of an unrecoverable
       error and all other reset mechanisms have failed.
    
     - During MHI shutdown, wait for the endpoint device to enter the ready state
       post reset before proceeding. This is to avoid a possible race where ho...
    46ee6bca
init.c 36.6 KB