On 12/31/20 11:48 PM, Sean Anderson wrote:
This documents the new partition names added in the previous commit.

Signed-off-by: Sean Anderson <sean.ander...@seco.com>
---

  doc/android/fastboot.rst | 28 ++++++++++++++++++++++++++++
  1 file changed, 28 insertions(+)

diff --git a/doc/android/fastboot.rst b/doc/android/fastboot.rst
index 2877c3cbaa..2ca80ae844 100644
--- a/doc/android/fastboot.rst
+++ b/doc/android/fastboot.rst
@@ -151,6 +151,34 @@ The device index starts from ``a`` and refers to the 
interface (e.g. USB
  controller, SD/MMC controller) or disk index. The partition index starts
  from ``1`` and describes the partition number on the particular device.

+
+Alternate Partition Names
+^^^^^^^^^^^^^^^^^^^^^^^^^
+
+Partitions may also be specified like::
+
+    devnum.hwpartnum#partname

Thank you for getting this all documented.

Don't we need the interface (mmc), too?

+
+or like::
+
+    devnum.hwpartnum:partnum

I think this is the wrong place to document how partitions are addressed
as it is not Android specific. I would prefer a sub-chapter of doc/usage/.

Cf.
https://u-boot.readthedocs.io/en/latest/usage/index.html

Best regards

Heinrich

+
+Where
+
+  * ``devnum`` is the MMC device number. This defaults to 0.
+  * ``hwpartnum`` is the hardware partition number. This defaults to 0 (the 
user
+    partition on eMMC devices).
+  * ``partname`` is the partition name on GPT devices. Partitions do not have
+    names on MBR devices.
+  * ``partnum`` is the partition number, starting from 1. The partition number 0
+    is special, and specifies that the whole device is to be used as one
+    "partition."
+
+If neither ``partname`` nor ``partnum`` is specified and there is a partition
+table, then partition 1 is used. If there is no partition table, then the whole
+device is used as one "partion." Examples of alternate partition names include
+``0.1``, ``0#boot``, and ``:3``.
+
  Writing Partition Table
  -----------------------



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