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usb: chipidea: udc: implement get_frame

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The chipidea udc core is capable of reading the current frame index from
hardware. This patch adds the get_frame callback to the driver.

Acked-by: Peter Chen <peter.chen@kernel.org>
Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Link: https://lore.kernel.org/r/20220616194459.2981519-1-m.grzeschik@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Michael Grzeschik
2022-06-16 21:44:59 +02:00
committed by Greg Kroah-Hartman
parent 5c586db846
commit 8709115180
3 changed files with 17 additions and 0 deletions
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1
drivers/usb/chipidea/ci.h
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@@ -49,6 +49,7 @@ enum ci_hw_regs {
OP_USBCMD,
OP_USBSTS,
OP_USBINTR,
OP_FRINDEX,
OP_DEVICEADDR,
OP_ENDPTLISTADDR,
OP_TTCTRL,