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authorLinus Torvalds <torvalds@linux-foundation.org>2021-11-04 17:50:43 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2021-11-04 17:50:43 +0300
commit048ff8629e117d8411a787559417c781bcd78d7e (patch)
tree2cff07ed5c13a096d1c880139873870146cca74a /Documentation/driver-api
parent7ddb58cb0ecae8e8b6181d736a87667cc9ab8389 (diff)
parenta0548b26901f082684ad1fb3ba397d2de3a1406a (diff)
downloadlinux-048ff8629e117d8411a787559417c781bcd78d7e.tar.xz
Merge tag 'usb-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB / Thunderbolt updates from Greg KH: "Here is the big set of USB and Thunderbolt driver updates for 5.16-rc1. Nothing major in here, just lots of little cleanups and additions for new hardware, all of which have been in linux-next for a while with no reported problems. Included in here are: - tiny Thunderbolt driver updates - USB typec driver updates - USB serial driver updates - USB gadget driver updates - dwc2 and dwc3 controller driver updates - tiny USB host driver updates - minor USB driver fixes and updates - USB dts updates for various platforms" * tag 'usb-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (123 commits) usb: gadget: Mark USB_FSL_QE broken on 64-bit usb: gadget: f_mass_storage: Disable eps during disconnect usb: gadget: udc: core: Revise comments for USB ep enable/disable USB: serial: keyspan: fix memleak on probe errors USB: serial: cp210x: use usb_control_msg_recv() and usb_control_msg_send() USB: serial: ch314: use usb_control_msg_recv() USB: iowarrior: fix control-message timeouts Documentation: USB: fix example bulk-message timeout usb: dwc2: stm32mp15: set otg_rev usb: dwc2: add otg_rev and otg_caps information for gadget driver dt-bindings: usb: dwc2: adopt otg properties defined in usb-drd.yaml dt-bindings: usb: dwc2: Add reference to usb-drd.yaml usb: gadget: uvc: implement dwPresentationTime and scrSourceClock usb: gadget: uvc: use on returned header len in video_encode_isoc_sg usb:gadget: f_uac1: fixed sync playback Docs: usb: remove :c:func: for usb_register and usb_deregister Docs: usb: update struct usb_driver usb: gadget: configfs: change config attributes file operation usb: gadget: configfs: add cfg_to_gadget_info() helper usb: dwc3: Align DWC3_EP_* flag macros ...
Diffstat (limited to 'Documentation/driver-api')
-rw-r--r--Documentation/driver-api/usb/writing_usb_driver.rst13
1 files changed, 8 insertions, 5 deletions
diff --git a/Documentation/driver-api/usb/writing_usb_driver.rst b/Documentation/driver-api/usb/writing_usb_driver.rst
index 2176297e5765..b43e1ce49f0e 100644
--- a/Documentation/driver-api/usb/writing_usb_driver.rst
+++ b/Documentation/driver-api/usb/writing_usb_driver.rst
@@ -57,9 +57,12 @@ structure. The skeleton driver declares a :c:type:`usb_driver` as::
.name = "skeleton",
.probe = skel_probe,
.disconnect = skel_disconnect,
- .fops = &skel_fops,
- .minor = USB_SKEL_MINOR_BASE,
+ .suspend = skel_suspend,
+ .resume = skel_resume,
+ .pre_reset = skel_pre_reset,
+ .post_reset = skel_post_reset,
.id_table = skel_table,
+ .supports_autosuspend = 1,
};
@@ -81,7 +84,7 @@ this user-space interaction. The skeleton driver needs this kind of
interface, so it provides a minor starting number and a pointer to its
:c:type:`file_operations` functions.
-The USB driver is then registered with a call to :c:func:`usb_register`,
+The USB driver is then registered with a call to usb_register(),
usually in the driver's init function, as shown here::
static int __init usb_skel_init(void)
@@ -102,7 +105,7 @@ usually in the driver's init function, as shown here::
When the driver is unloaded from the system, it needs to deregister
-itself with the USB subsystem. This is done with the :c:func:`usb_deregister`
+itself with the USB subsystem. This is done with usb_deregister()
function::
static void __exit usb_skel_exit(void)
@@ -231,7 +234,7 @@ error message. This can be shown with the following code::
skel->bulk_in_endpointAddr),
skel->bulk_in_buffer,
skel->bulk_in_size,
- &count, HZ*10);
+ &count, 5000);
/* if the read was successful, copy the data to user space */
if (!retval) {
if (copy_to_user (buffer, skel->bulk_in_buffer, count))