Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit a6038ee7 authored by Heikki Krogerus's avatar Heikki Krogerus Committed by Greg Kroah-Hartman
Browse files

usb: musb: ignore spurious SESSREQ interrupts 



This will ignore any SESSREQ interrupt if musb is B state.
Charger detection may cause spurious SESSREQ interrupts.

Signed-off-by: default avatarHeikki Krogerus <ext-heikki.krogerus@nokia.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 43467868

drivers/usb/musb/musb_core.c

+5 −0
Original line number Diff line number Diff line
@@ -550,6 +550,11 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb, 
	if (int_usb & MUSB_INTR_SESSREQ) {

		void __iomem *mbase = musb->mregs;



		if (devctl & MUSB_DEVCTL_BDEVICE) {

			DBG(3, "SessReq while on B state\n");

			return IRQ_HANDLED;

		}



		DBG(1, "SESSION_REQUEST (%s)\n", otg_state_string(musb));



		/* IRQ arrives from ID pin sense or (later, if VBUS power