ENGR00220341-3 usb: add spin_lock at platform data

It is used to sync pdata->lowpower between wakeup interrupt
and driver API.

Signed-off-by: Peter Chen <peter.chen@freescale.com>

diff --git a/include/linux/fsl_devices.h b/include/linux/fsl_devices.h
index 8c41b237fc832a86a606ea07320ddc0d5e929047..2a955730764321ac9640fa6f5586b1931f9b3632 100644 (file)
--- a/include/linux/fsl_devices.h
+++ b/include/linux/fsl_devices.h
@@ -144,6 +144,7 @@ struct fsl_usb2_platform_data {
        unsigned        irq_delay:1;
        enum usb_wakeup_event   wakeup_event;
        u32             pmflags;        /* PM from otg or system */
+       spinlock_t lock;
 
        void __iomem *charger_base_addr; /* used for i.mx6 usb charger detect */