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Linux/Documentation/ABI/stable/sysfs-bus-mhi

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Diff markup

Differences between /Documentation/ABI/stable/sysfs-bus-mhi (Architecture sparc64) and /Documentation/ABI/stable/sysfs-bus-mhi (Architecture m68k)


  1 What:           /sys/bus/mhi/devices/.../seria      1 What:           /sys/bus/mhi/devices/.../serialnumber
  2 Date:           Sept 2020                           2 Date:           Sept 2020
  3 KernelVersion:  5.10                                3 KernelVersion:  5.10
  4 Contact:        mhi@lists.linux.dev                 4 Contact:        mhi@lists.linux.dev
  5 Description:    The file holds the serial numb      5 Description:    The file holds the serial number of the client device obtained
  6                 using a BHI (Boot Host Interfa      6                 using a BHI (Boot Host Interface) register read after at least
  7                 one attempt to power up the de      7                 one attempt to power up the device has been done. If read
  8                 without having the device powe      8                 without having the device power on at least once, the file will
  9                 read all 0's.                       9                 read all 0's.
 10 Users:          Any userspace application or c     10 Users:          Any userspace application or clients interested in device info.
 11                                                    11 
 12 What:           /sys/bus/mhi/devices/.../oem_p     12 What:           /sys/bus/mhi/devices/.../oem_pk_hash
 13 Date:           Sept 2020                          13 Date:           Sept 2020
 14 KernelVersion:  5.10                               14 KernelVersion:  5.10
 15 Contact:        mhi@lists.linux.dev                15 Contact:        mhi@lists.linux.dev
 16 Description:    The file holds the OEM PK Hash     16 Description:    The file holds the OEM PK Hash value of the endpoint device
 17                 obtained using a BHI (Boot Hos     17                 obtained using a BHI (Boot Host Interface) register read after
 18                 at least one attempt to power      18                 at least one attempt to power up the device has been done. If
 19                 read without having the device     19                 read without having the device power on at least once, the file
 20                 will read all 0's.                 20                 will read all 0's.
 21 Users:          Any userspace application or c     21 Users:          Any userspace application or clients interested in device info.
 22                                                    22 
 23 What:           /sys/bus/mhi/devices/.../soc_r     23 What:           /sys/bus/mhi/devices/.../soc_reset
 24 Date:           April 2022                         24 Date:           April 2022
 25 KernelVersion:  5.19                               25 KernelVersion:  5.19
 26 Contact:        mhi@lists.linux.dev                26 Contact:        mhi@lists.linux.dev
 27 Description:    Initiates a SoC reset on the M     27 Description:    Initiates a SoC reset on the MHI controller.  A SoC reset is
 28                 a reset of last resort, and wi     28                 a reset of last resort, and will require a complete re-init.
 29                 This can be useful as a method     29                 This can be useful as a method of recovery if the device is
 30                 non-responsive, or as a means      30                 non-responsive, or as a means of loading new firmware as a
 31                 system administration task.        31                 system administration task.
 32                                                    32 
 33 What:           /sys/bus/mhi/devices/.../trigg     33 What:           /sys/bus/mhi/devices/.../trigger_edl
 34 Date:           April 2024                         34 Date:           April 2024
 35 KernelVersion:  6.10                               35 KernelVersion:  6.10
 36 Contact:        mhi@lists.linux.dev                36 Contact:        mhi@lists.linux.dev
 37 Description:    Writing a non-zero value to th     37 Description:    Writing a non-zero value to this file will force devices to
 38                 enter EDL (Emergency Download)     38                 enter EDL (Emergency Download) mode. This entry only exists for
 39                 devices capable of entering th     39                 devices capable of entering the EDL mode using the standard EDL
 40                 triggering mechanism defined i     40                 triggering mechanism defined in the MHI spec v1.2. Once in EDL
 41                 mode, the flash programmer ima     41                 mode, the flash programmer image can be downloaded to the
 42                 device to enter the flash prog     42                 device to enter the flash programmer execution environment.
 43                 This can be useful if user wan     43                 This can be useful if user wants to use QDL (Qualcomm Download,
 44                 which is used to download firm     44                 which is used to download firmware over EDL) to update firmware.
                                                      

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