From 0931b52b66864ab680f1e5b52eb0c20d028f5558 Mon Sep 17 00:00:00 2001 From: jmark1m Date: Wed, 7 Sep 2022 15:10:44 -0500 Subject: [PATCH] Fix bug #1628 by preventing shared irq slots for filling up --- src/portable/raspberrypi/rp2040/hcd_rp2040.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/src/portable/raspberrypi/rp2040/hcd_rp2040.c b/src/portable/raspberrypi/rp2040/hcd_rp2040.c index e9118c6a3e..6ca9929541 100644 --- a/src/portable/raspberrypi/rp2040/hcd_rp2040.c +++ b/src/portable/raspberrypi/rp2040/hcd_rp2040.c @@ -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) 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); // clear epx and interrupt eps