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Instead of using the legacy GPIO API and keeping track on
polarity inversion semantics in the driver, switch to use
GPIO descriptors for this driver and change all consumers
in the process.
This makes it possible to retire platform data completely:
the only remaining platform data member was "wakeup" which
was intended to make the vbus interrupt wakeup capable,
but was not set by any users and thus remained unused. VBUS
was not waking any devices up. Leave a comment about it so
later developers using the platform can consider setting it
to always enabled so plugging in USB wakes up the platform.
Cc: Daniel Mack <[email protected]>
Cc: Haojian Zhuang <[email protected]>
Acked-by: Robert Jarzmik <[email protected]>
Acked-by: Felipe Balbi <[email protected]>
Acked-by: Sylwester Nawrocki <[email protected]>
Acked-by: Philipp Zabel <[email protected]>
Signed-off-by: Linus Walleij <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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It's good to have SPDX identifiers in all files to make it easier to
audit the kernel tree for correct licenses.
Update the drivers/usb/ and include/linux/usb* files with the correct
SPDX license identifier based on the license text in the file itself.
The SPDX identifier is a legally binding shorthand, which can be used
instead of the full boiler plate text.
This work is based on a script and data from Thomas Gleixner, Philippe
Ombredanne, and Kate Stewart.
Cc: Thomas Gleixner <[email protected]>
Cc: Kate Stewart <[email protected]>
Cc: Philippe Ombredanne <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
Acked-by: Felipe Balbi <[email protected]>
Acked-by: Johan Hovold <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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We'd like to see the system waking up from the system-wide suspend
when it gets plugged-in, or the USB cable is pulled out.
Also makes it configurable via platform data 'wakeup'.
Signed-off-by: Shinya Kuribayashi <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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gpio_vbus provides simple GPIO VBUS sensing for peripheral
controllers with an internal transceiver.
Optionally, a second GPIO can be used to control D+ pullup.
It also interfaces with the regulator framework to limit charging
currents when powered via USB. gpio_vbus requests the regulator
supplying "vbus_draw" and can enable/disable it or limit its
current depending on USB state.
[[email protected]: use drivers/otg, cleanups ]
Signed-off-by: Philipp Zabel <[email protected]>
Signed-off-by: David Brownell <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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