mirror of https://gitee.com/openkylin/linux.git
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: Bin Liu <b-liu@ti.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
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@ -884,7 +884,7 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb,
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dev_err(musb->controller, "Babble\n");
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if (is_host_active(musb)) {
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musb_generic_disable(musb);
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musb_disable_interrupts(musb);
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schedule_delayed_work(&musb->recover_work,
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msecs_to_jiffies(100));
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}
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@ -1838,8 +1838,10 @@ static void musb_recover_work(struct work_struct *data)
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int status, ret;
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ret = musb_platform_reset(musb);
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if (ret)
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if (ret) {
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musb_enable_interrupts(musb);
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return;
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}
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usb_phy_vbus_off(musb->xceiv);
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usleep_range(100, 200);
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