diff mbox series

[3/6] phy: rockchip-inno-usb2: Do not lock in bvalid IRQ handler

Message ID 20220414032258.40984-4-samuel@sholland.org (mailing list archive)
State New, archived
Headers show
Series phy: rockchip-inno-usb2: RK356x OTG fix and enhancements | expand

Commit Message

Samuel Holland April 14, 2022, 3:22 a.m. UTC 
Clearing the IRQ is atomic, so there is no need to hold the mutex.

Signed-off-by: Samuel Holland <samuel@sholland.org>
---

 drivers/phy/rockchip/phy-rockchip-inno-usb2.c | 4 ----
 1 file changed, 4 deletions(-)
diff mbox series

Patch

diff --git a/drivers/phy/rockchip/phy-rockchip-inno-usb2.c b/drivers/phy/rockchip/phy-rockchip-inno-usb2.c
index 29407b36f5fa..3422db56be76 100644
--- a/drivers/phy/rockchip/phy-rockchip-inno-usb2.c
+++ b/drivers/phy/rockchip/phy-rockchip-inno-usb2.c
@@ -905,13 +905,9 @@  static irqreturn_t rockchip_usb2phy_bvalid_irq(int irq, void *data)
 	if (!property_enabled(rphy->grf, &rport->port_cfg->bvalid_det_st))
 		return IRQ_NONE;
 
-	mutex_lock(&rport->mutex);
-
 	/* clear bvalid detect irq pending status */
 	property_enable(rphy->grf, &rport->port_cfg->bvalid_det_clr, true);
 
-	mutex_unlock(&rport->mutex);
-
 	rockchip_usb2phy_otg_sm_work(&rport->otg_sm_work.work);
 
 	return IRQ_HANDLED;