Prepare_enable on rising edge, disable_unprepare on falling edge. Reduce power consumption if USB PLL is not already necessary for OHCI or EHCI. If USB host is not connected we can sleep with USB PLL stopped.
This driver does not support suspend/resume yet, not suspending if we are still attached to an USB host is fine for what I need, this patch allow suspending with USB PLL stopped when USB device is not currently used. Change 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 (2): USB: gadget: atmel_usba_udc: Fixed vbus_prev initial state USB: gadget: atmel_usba_udc: Enable/disable USB PLL on Vbus change drivers/usb/gadget/udc/atmel_usba_udc.c | 97 ++++++++++++++++++++++++--------- drivers/usb/gadget/udc/atmel_usba_udc.h | 4 ++ 2 files changed, 75 insertions(+), 26 deletions(-) -- 2.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
