[PATCH v2] cmd: usb_mass_storage: Use part_get_info_by_dev_and_name_or_num

[Marek Vasut]

On 10/28/21 9:43 PM, Sean Anderson wrote:
> Hi Marek,
> 
> On 7/22/21 2:24 PM, Sean Anderson wrote:
>>
>>
>> On 7/8/21 2:02 PM, Sean Anderson wrote:
>>>
>>>
>>> On 7/8/21 2:00 PM, Marek Vasut wrote:
>>>> On 7/8/21 7:36 PM, Sean Anderson wrote:
>>>>> This allows specifying partitions using more extended syntax. This is
>>>>> particularly useful to access eMMC hardware partitions. For example,
>>>>> this allows something like
>>>>>
>>>>>     ums mmc 0.0,0.1,0.2,0.3
>>>>
>>>> Shouldn't that be ums X mmc Y ?
>>>
>>> Yes.
>>>
>>>>
>>>>> to expose four LUNs for each of the four default eMMC hardware
>>>>> partitions. Note that the comma syntax was already present.
>>>>
>>>> That's all good, but is there some specification of the syntax 
>>>> somewhere instead of a random example ?\
>>>
>>> Yes, see https://u-boot.readthedocs.io/en/latest/usage/partitions.html
>>>
>>> I suppose that https://u-boot.readthedocs.io/en/latest/usage/ums.html
>>> should be updated as well, especially since the comma syntax is
>>> undocumented.
>>
>> Upon closer inspection, the partition syntax is actually already 
>> documented. This patch just brings the command in-line with what is 
>> documented.
> 
> Does this patch need any additional modifications? As stated above, this
> new behavior is actually what is already documented.

Update the commit message so the example isn't wrong (i.e. ums X mmc y).

Validate that "ums 0 mmc 0" still works for exporting the entire block 
device, if it does, then I can pick it.

Thanks