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Commit ba7ee8bb authored by Felipe Balbi's avatar Felipe Balbi
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usb: musb: don't touch devctl from babble recovery 



We do *not* want to touch devctl at all when
trying to recover from babble. All we want to
do is mask IRQs until we're done without our
babble recovery, at which point we will unmask
IRQs.

Tested-by: default avatarBin Liu <b-liu@ti.com>
Signed-off-by: default avatarFelipe Balbi <balbi@ti.com>
parent e1eb3eb8

drivers/usb/musb/musb_core.c

+4 −2
Original line number Diff line number Diff line
@@ -884,7 +884,7 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb, 
				dev_err(musb->controller, "Babble\n");



				if (is_host_active(musb)) {

					musb_generic_disable(musb);

					musb_disable_interrupts(musb);

					schedule_delayed_work(&musb->recover_work,

							msecs_to_jiffies(100));

				}
@@ -1838,8 +1838,10 @@ static void musb_recover_work(struct work_struct *data) 
	int status, ret;



	ret  = musb_platform_reset(musb);

	if (ret)

	if (ret) {

		musb_enable_interrupts(musb);

		return;

	}



	usb_phy_vbus_off(musb->xceiv);

	usleep_range(100, 200);