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b51e0ceed1
Here's a fix for a long-standing issue in the ftdi_sio driver that prevented unprivileged users from updating the low-latency flag, something which became apparent after a recent change that restored the older setting of not using low-latency mode by default. A run of sparse revealed a couple of endianness issues that are now fixed, and addressed is also a user-triggerable division-by-zero in io_ti when debugging is enabled. Finally there are some new device ids, including a simplification of how we deal with a couple of older Olimex JTAG adapters. All have been in linux-next with no reported issues. Signed-off-by: Johan Hovold <johan@kernel.org> -----BEGIN PGP SIGNATURE----- iQJFBAABCAAvFiEEHszNKQClByu0A+9RQQ3kT97htJUFAlkeotERHGpvaGFuQGtl cm5lbC5vcmcACgkQQQ3kT97htJX75xAAsQA0i+Bbafh5zfWyrz5Y5a+jaS6S5ilp LMiZnBlqRXkfRHzCB8loUn+EJuFWp4TAr07FypRHPuocDmIkTQ8vx949rmB9mN51 oGBvmCREhoawBB7Mvh19ZMgzT/4GR4Nhg9RINJDtjsAj442Twn3MVwNQWFx2i9Vj Vr6mRy03XxaN8/I/CnHXfYhRvH/zKB2MfCO0GqvoRFQOO2cjjS4Ebwl6KMySr/ok Vu1loIsNl7dpxro8tlfJ30u7mOcD72Yg5nD8ED+caEerIaTpeOJl9rjVk/TFVPpq Yk2fGU43TvPkj+aNMsXw9PvWBGQwmIxgiohQ4ivKAiCHeQYyHC0EqktqBf+Ru0NR LbYztpvlO0I0gHIt2l3uf0ZbsPy05Fi9HyknX/4DUXstaFwOvNzksPNe8E4M0ELX mcMSENa6D/FIAZjnxBpssqHaTovCeS355oUE6z8yb/fy3sAFraUwj0BHqV9aXjtr XQf8ZaGFWuc61KnezSoIhWVSBxq3aFsazEHP1yZbOoNxDIAg+bjklmees17Y9uDa w3KGQUX7+MWc8Ccfp2QEeRnIsqq1O9r22WTL2Q1W3nkP3y90i9QiruZZ/UhxPWsz rhgL0ygyNAIRzyfV9fFTxPQiD5IeSnYElZXv7sjQHAARNGzkNVA7YYeKqA2mPw7e vNXKKToyERg= =psyq -----END PGP SIGNATURE----- Merge tag 'usb-serial-4.12-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-linus Johan writes: USB-serial fixes for v4.12-rc2 Here's a fix for a long-standing issue in the ftdi_sio driver that prevented unprivileged users from updating the low-latency flag, something which became apparent after a recent change that restored the older setting of not using low-latency mode by default. A run of sparse revealed a couple of endianness issues that are now fixed, and addressed is also a user-triggerable division-by-zero in io_ti when debugging is enabled. Finally there are some new device ids, including a simplification of how we deal with a couple of older Olimex JTAG adapters. All have been in linux-next with no reported issues. Signed-off-by: Johan Hovold <johan@kernel.org> |
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atm | ||
c67x00 | ||
chipidea | ||
class | ||
common | ||
core | ||
dwc2 | ||
dwc3 | ||
early | ||
gadget | ||
host | ||
image | ||
isp1760 | ||
misc | ||
mon | ||
mtu3 | ||
musb | ||
phy | ||
renesas_usbhs | ||
serial | ||
storage | ||
typec | ||
usbip | ||
wusbcore | ||
Kconfig | ||
Makefile | ||
README | ||
usb-skeleton.c |
To understand all the Linux-USB framework, you'll use these resources: * This source code. This is necessarily an evolving work, and includes kerneldoc that should help you get a current overview. ("make pdfdocs", and then look at "usb.pdf" for host side and "gadget.pdf" for peripheral side.) Also, Documentation/usb has more information. * The USB 2.0 specification (from www.usb.org), with supplements such as those for USB OTG and the various device classes. The USB specification has a good overview chapter, and USB peripherals conform to the widely known "Chapter 9". * Chip specifications for USB controllers. Examples include host controllers (on PCs, servers, and more); peripheral controllers (in devices with Linux firmware, like printers or cell phones); and hard-wired peripherals like Ethernet adapters. * Specifications for other protocols implemented by USB peripheral functions. Some are vendor-specific; others are vendor-neutral but just standardized outside of the www.usb.org team. Here is a list of what each subdirectory here is, and what is contained in them. core/ - This is for the core USB host code, including the usbfs files and the hub class driver ("hub_wq"). host/ - This is for USB host controller drivers. This includes UHCI, OHCI, EHCI, and others that might be used with more specialized "embedded" systems. gadget/ - This is for USB peripheral controller drivers and the various gadget drivers which talk to them. Individual USB driver directories. A new driver should be added to the first subdirectory in the list below that it fits into. image/ - This is for still image drivers, like scanners or digital cameras. ../input/ - This is for any driver that uses the input subsystem, like keyboard, mice, touchscreens, tablets, etc. ../media/ - This is for multimedia drivers, like video cameras, radios, and any other drivers that talk to the v4l subsystem. ../net/ - This is for network drivers. serial/ - This is for USB to serial drivers. storage/ - This is for USB mass-storage drivers. class/ - This is for all USB device drivers that do not fit into any of the above categories, and work for a range of USB Class specified devices. misc/ - This is for all USB device drivers that do not fit into any of the above categories.