[PATCH 2/4] Docs: usb: update comment and code near decrement our usage count for the device
From: Philipp Hortmann <hidden>
Date: 2021-11-29 22:53:27
Also in:
linux-usb, lkml
Subsystem:
documentation, the rest · Maintainers:
Jonathan Corbet, Linus Torvalds
Put release function in the document typical form Update comment: decrement our usage count .. and code according to usb-skeleton.c Signed-off-by: Philipp Hortmann <redacted> --- Documentation/driver-api/usb/writing_usb_driver.rst | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/Documentation/driver-api/usb/writing_usb_driver.rst b/Documentation/driver-api/usb/writing_usb_driver.rst
index a9608ad18d77..b16e4e76d472 100644
--- a/Documentation/driver-api/usb/writing_usb_driver.rst
+++ b/Documentation/driver-api/usb/writing_usb_driver.rst@@ -250,12 +250,12 @@ a device, it is recommended to set up your own urbs and submit them to the USB subsystem. The template uses urbs for read and write. When the user program releases the file handle that it has been using to -talk to the device, the release function in the driver is called. In +talk to the device, the `skel_release` function in the driver is called. In this function we decrement our private usage count and wait for possible pending writes:: - /* decrement our usage count for the device */ - --skel->open_count; + /* decrement the count on our device */ + kref_put(&dev->kref, skel_delete); One of the more difficult problems that USB drivers must be able to
--
2.25.1