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>
---
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;
--
Sent by a consultant of the Qualcomm Innovation Center, Inc.
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum.
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