If USB PLL is not necessary for other USB drivers (e.g. OHCI and EHCI)
reduce power consumption by switching off the USB PLL if no USB Host is
currently connected to this USB Device.
Changes since v3:
* Added stable tag for the first patch
* As suggested, removed the unused check for udc->driver is not NULL in
Vbus IRQ by requesting IRQ after udc->driver is set and by releasing
IRQ before udc->driver is cleared
* Rebased the core patch of this series against the just explained changes
Changes since v2:
* Use spin_lock_irqsave/unlock_irqrestore instead of spin_lock/unlock in
threaded interrupt because we are not in irq context anymore
* Removed useless and probably harmful IRQF_NO_SUSPEND from
devm_request_threaded_irq() flags
Changes since v1:
* Using a threaded irq and mutex instead of spinclock as suggested
* Moved a silently fixed bug in a separate patch (1/2)
Sylvain Rochet (3):
USB: gadget: atmel_usba_udc: Fixed vbus_prev initial state
USB: gadget: atmel_usba_udc: Enable Vbus signal IRQ in UDC start
instead of UDC probe
USB: gadget: atmel_usba_udc: Start clocks on rising edge of the Vbus
signal, stop clocks on falling edge of the Vbus signal
drivers/usb/gadget/udc/atmel_usba_udc.c | 130 +++++++++++++++++++++-----------
drivers/usb/gadget/udc/atmel_usba_udc.h | 4 +
2 files changed, 89 insertions(+), 45 deletions(-)
--
2.1.4
--
To unsubscribe from this list: send the line "unsubscribe linux-usb" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
