Re: [PATCH 1/4] Docs: usb: update usb_bulk_msg receiving example
From: Philipp Hortmann <hidden>
Date: 2021-12-02 04:49:59
Also in:
linux-usb, lkml
On 11/30/21 9:10 PM, Alan Stern wrote:
On Mon, Nov 29, 2021 at 09:21:41PM +0100, Philipp Hortmann wrote:quoted
Clarification that this example is not in the driver template anymore. Update code example so that it fits best to usb-skeleton.c Signed-off-by: Philipp Hortmann <redacted> --- .../driver-api/usb/writing_usb_driver.rst | 30 +++++++++---------- 1 file changed, 15 insertions(+), 15 deletions(-)diff --git a/Documentation/driver-api/usb/writing_usb_driver.rst b/Documentation/driver-api/usb/writing_usb_driver.rst index b43e1ce49f0e..a9608ad18d77 100644 --- a/Documentation/driver-api/usb/writing_usb_driver.rst +++ b/Documentation/driver-api/usb/writing_usb_driver.rst@@ -218,36 +218,36 @@ do very much processing at that time. Our implementation of ``skel_write_bulk_callback`` merely reports if the urb was completed successfully or not and then returns. -The read function works a bit differently from the write function in +This read function works a bit differently from the write function in that we do not use an urb to transfer data from the device to the -driver. Instead we call the :c:func:`usb_bulk_msg` function, which can be used +driver. Instead we call `usb_bulk_msg` function, which can be used to send or receive data from a device without having to create urbs and -handle urb completion callback functions. We call the :c:func:`usb_bulk_msg` +handle urb completion callback functions. We call `usb_bulk_msg` function, giving it a buffer into which to place any data received fromThe reason for the last two changes above isn't clear. You removed some of the markup indicators and made the text ungrammatical. This does not seem like an improvement. Alan Stern
This two changes were made because of an earlier comment to the same document, but may be I understood this wrong: On 10/19/21 11:17 PM, Jonathan Corbet wrote: ... We shouldn't be using :c:func: anymore; just say usb_register() and the right things will happen. Definitely worth fixing while you are in the neighborhood. ... If you're making this change, take out "the" (as well as :c:func:). ... ___ Please find the full email under the link: https://lore.kernel.org/linux-usb/87h7dcsohs.fsf@meer.lwn.net/T/ (local) Please give me an example for the right wording. I am not a native English speaker. Is the article in this case required? Thanks for your support. Philipp Hortmann