linux-kernel - Re: [PATCH v3 1/5] Docs: usb: update usb_bulk

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Message-ID: <8c11aa29-d935-94e4-9812-2c882d9e8c19@gmail.com>
Date:   Mon, 13 Dec 2021 06:06:34 +0100
From:   Philipp Hortmann <philipp.g.hortmann@...il.com>
To:     Oliver Neukum <oneukum@...e.com>, corbet@....net,
        linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     linux-usb@...r.kernel.org, gregkh@...uxfoundation.org
Subject: Re: [PATCH v3 1/5] Docs: usb: update usb_bulk_msg receiving example

On 12/7/21 9:55 AM, Oliver Neukum wrote:
> 
> On 06.12.21 21:57, Philipp Hortmann wrote:
>>   The :c:func:`usb_bulk_msg` function can be very useful for doing single reads
>>   or writes to a device; however, if you need to read or write constantly to
>>   a device, it is recommended to set up your own urbs and submit them to
>> -the USB subsystem.
>> +the USB subsystem. The template uses urbs for read and write.
> 
> Hi,
> 
> now that I read this, shouldn't we tell the reader why exactly the use
> of URBs is a good idea at that place?
> 
>      Regards
>          Oliver
> 

The Documentation/driver-api/usb/URB.rst does describe this well. We 
could think about a link to it.

Regards
Philipp