diff options
Diffstat (limited to 'drivers/usb/otg/tegra-otg.c')
| -rw-r--r-- | drivers/usb/otg/tegra-otg.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/usb/otg/tegra-otg.c b/drivers/usb/otg/tegra-otg.c index d95d238fd9d6..f72e2225e7c7 100644 --- a/drivers/usb/otg/tegra-otg.c +++ b/drivers/usb/otg/tegra-otg.c @@ -288,6 +288,15 @@ static void irq_work(struct work_struct *work) else to = OTG_STATE_A_SUSPEND; + if (from != OTG_STATE_A_HOST) { + if (tegra->int_status & USB_VBUS_INT_STATUS) { + if (status & USB_VBUS_STATUS) + to = OTG_STATE_B_PERIPHERAL; + else + to = OTG_STATE_A_SUSPEND; + } + } + spin_unlock_irqrestore(&tegra->lock, flags); tegra_change_otg_state(tegra, to); clk_disable(tegra->clk); |