From: Pavankumar Kondeti <pkondeti@xxxxxxxxxxxxxx> The current code is clearing in_lpm flag after enabling the IRQ. If IRQ comes immediately before in_lpm flag is set, it thinks that hardware is in low power mode and disables the IRQ. Fix this by clearing in_lpm flag before enabling the IRQ. Signed-off-by: Pavankumar Kondeti <pkondeti@xxxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx> --- drivers/usb/otg/msm_otg.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/usb/otg/msm_otg.c b/drivers/usb/otg/msm_otg.c index 2965986..f58b7da 100644 --- a/drivers/usb/otg/msm_otg.c +++ b/drivers/usb/otg/msm_otg.c @@ -389,14 +389,14 @@ skip_phy_resume: if (bus) set_bit(HCD_FLAG_HW_ACCESSIBLE, &(bus_to_hcd(bus))->flags); + atomic_set(&motg->in_lpm, 0); + if (motg->async_int) { motg->async_int = 0; pm_runtime_put(otg->dev); enable_irq(motg->irq); } - atomic_set(&motg->in_lpm, 0); - dev_info(otg->dev, "USB exited from low power mode\n"); return 0; -- 1.7.4.2 -- 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