user/sven/linux.git/drivers/usb/core/Makefile, branch v4.11.3

usb: core: Introduce a USB port LED trigger

2016-09-27T10:20:17Z

This commit adds a new trigger responsible for turning on LED when USB device gets connected to the selected USB port. This can can useful for various home routers that have USB port(s) and a proper LED telling user a device is connected. The trigger gets its documentation file but basically it just requires enabling it and selecting USB ports (e.g. echo 1 > ports/usb1-1). There was a long discussion on design of this driver. Its current state is a result of picking them most adjustable solution as others couldn't handle all cases. 1) It wasn't possible for the driver to register separated trigger for each USB port. Some physical USB ports are handled by more than one controller and so by more than one USB port. E.g. USB 2.0 physical port may be handled by OHCI's port and EHCI's port. It's also not possible to assign more than 1 trigger to a single LED and implementing such feature would be tricky due to syncing triggers and sysfs conflicts with old triggers. 2) Another idea was to register trigger per USB hub. This wouldn't allow handling devices with multiple USB LEDs and controllers (hubs) controlling more than 1 physical port. It's common for hubs to have few ports and each may have its own LED. This final trigger is highly flexible. It allows selecting any USB ports for any LED. It was also modified (comparing to the initial version) to allow choosing ports rather than having user /guess/ proper names. It was successfully tested on SmartRG SR400ac which has 3 USB LEDs, 2 physical ports and 3 controllers. It was noted USB subsystem already has usb-gadget and usb-host triggers but they are pretty trivial ones. They indicate activity only and can't have ports specified. In future it may be good idea to consider adding activity support to usbport as well. This should allow switching to this more generic driver and maybe marking old ones as obsolete. This can be implemented with another sysfs file for setting mode. The default mode wouldn't change so there won't be ABI breakage and so such feature can be safely implemented later. There was also an idea of supporting other devices (PCI, SDIO, etc.) but as this driver already contains some USB specific code (and will get more) these should be probably separated drivers (triggers). Signed-off-by: Rafał Miłecki Signed-off-by: Greg Kroah-Hartman

usb: core: of.c: fix defined but not declare warning

2016-08-09T14:16:13Z

The helper usb_of_get_child_node is defined at of.c, but missing its declare as a global function. Fix it by adding related header file as well as compile it on conditional of CONFIG_OF. Cc: Greg Kroah-Hartman Cc: Arnd Bergmann Cc: Alan Stern Cc: linux-usb@vger.kernel.org Cc: linux-kernel@vger.kernel.org Cc: Ben Dooks Cc: linux-kernel@lists.codethink.co.uk Signed-off-by: Peter Chen Reported-by: Ben Dooks Signed-off-by: Greg Kroah-Hartman

USB: core: let USB device know device node

2016-03-05T20:05:01Z

Although most of USB devices are hot-plug's, there are still some devices are hard wired on the board, eg, for HSIC and SSIC interface USB devices. If these kinds of USB devices are multiple functions, and they can supply other interfaces like i2c, gpios for other devices, we may need to describe these at device tree. In this commit, it uses "reg" in dts as physical port number to match the phyiscal port number decided by USB core, if they are the same, then the device node is for the device we are creating for USB core. Signed-off-by: Peter Chen Acked-by: Philipp Zabel Acked-by: Alan Stern Acked-by: Rob Herring Acked-by: Arnd Bergmann Signed-off-by: Greg Kroah-Hartman

USB: core: remove CONFIG_USB_DEBUG usage

2013-12-22T00:01:00Z

CONFIG_USB_DEBUG is going away, so remove the few places in the USB core that relied on them. This means that we always now do the "debug" checks for every urb submitted, which is a good idea, as who knows how many driver bugs we have been ignoring when people forget to enable this option. Also, with the overall speed of USB, doing these extra checks should not cause any additional overhead. Also, no longer announce all devices being added to the system if CONFIG_USB_DEBUG is enabled, as it's not going to be around much longer. Signed-off-by: Greg Kroah-Hartman

usb: Add driver/usb/core/(port.c,hub.h) files

2013-01-18T23:49:00Z

This patch is to create driver/usb/core/(port.c,hub.h) files and move usb port related code into port.c. Signed-off-by: Lan Tianyu Signed-off-by: Greg Kroah-Hartman

usb: Bind devices to ACPI devices when possible

2012-05-12T00:06:13Z

Built-in USB devices will typically have a representation in the system ACPI tables. Add support for binding the two together so the USB code can make use of the associated methods. Signed-off-by: Matthew Garrett Signed-off-by: Lan Tianyu Signed-off-by: Greg Kroah-Hartman

USB: remove CONFIG_USB_DEVICEFS

2012-04-30T02:20:03Z

This option has been deprecated for many years now, and no userspace tools use it anymore, so it should be safe to finally remove it. Reported-by: Kay Sievers Signed-off-by: Greg Kroah-Hartman

usb: makefile cleanup

2010-10-22T17:22:07Z

For all modules, change -objs to -y; remove if-statements and replace with lists using the kbuild idiom; move flags to the top of the file; and fix alignment while trying to maintain the original scheme in each file. None of the dependencies are modified. Signed-off-by: matt mooney Acked-by: Sam Ravnborg Acked-by: Felipe Balbi Signed-off-by: Greg Kroah-Hartman

usb: change to new flag variable

2010-10-22T17:21:56Z

Replace EXTRA_CFLAGS with ccflags-y. Signed-off-by: matt mooney Acked-by: WANG Cong Signed-off-by: Greg Kroah-Hartman

USB: add the usbfs devices file to debugfs

2009-06-16T04:44:43Z

People are very used to the devices file in usbfs. Now that we have moved usbfs to be an "embedded" option only, the developers miss the file, they had grown quite attached to it over all of these years. This patch brings it back and puts it in the usb debugfs directory, so that the developers don't feel sad anymore. Signed-off-by: Greg Kroah-Hartman