usb: gadget: u_serial: Implement remote wakeup capability

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Implement the remote wakeup capability for u_serial. The newly added
function gserial_wakeup_host() wakes up the host when there is some
data to be sent while the device is suspended. Add gser_get_status()
callbacks to advertise f_serial interface as function wakeup capable.

Signed-off-by: Prashanth K <prashanth.k@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20250424121142.4180241-1-prashanth.k@oss.qualcomm.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Prashanth K 2025-04-24 17:41:42 +05:30 • committed by Greg Kroah-Hartman

parent 11e80d371b

commit 3baea29dc0

2 changed files with 50 additions and 0 deletions

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7

drivers/usb/gadget/function/f_serial.c

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43

drivers/usb/gadget/function/u_serial.c

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