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Fix bug #1628 by preventing shared irq slots for filling up

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jmark1m 2022-09-07 15:10:44 -05:00
parent b624664f52
commit 0931b52b66
1 changed files with 3 additions and 0 deletions
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src/portable/raspberrypi/rp2040/hcd_rp2040.c
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@ -380,6 +380,9 @@ bool hcd_init(uint8_t rhport)
// Force VBUS detect to always present, for now we assume vbus is always provided (without using VBUS En) // Force VBUS detect to always present, for now we assume vbus is always provided (without using VBUS En)
usb_hw->pwr = USB_USB_PWR_VBUS_DETECT_BITS | USB_USB_PWR_VBUS_DETECT_OVERRIDE_EN_BITS; usb_hw->pwr = USB_USB_PWR_VBUS_DETECT_BITS | USB_USB_PWR_VBUS_DETECT_OVERRIDE_EN_BITS;
// Remove shared irq if it was previously added so as not to fill up shared irq slots
irq_remove_handler(USBCTRL_IRQ, hcd_rp2040_irq);
irq_add_shared_handler(USBCTRL_IRQ, hcd_rp2040_irq, PICO_SHARED_IRQ_HANDLER_HIGHEST_ORDER_PRIORITY); irq_add_shared_handler(USBCTRL_IRQ, hcd_rp2040_irq, PICO_SHARED_IRQ_HANDLER_HIGHEST_ORDER_PRIORITY);
// clear epx and interrupt eps // clear epx and interrupt eps