From c623ad7da04f58a01c6323f6592ce7e79f10b790 Mon Sep 17 00:00:00 2001
From: Bananymous <oskari.alaranta@bananymous.com>
Date: Thu, 6 Feb 2025 22:34:47 +0200
Subject: [PATCH] Kernel: Use correct USB endpoint field to determine interval

I was using the wrong endpoint descriptor field which caused intervals
to be messed up.
---
 kernel/kernel/USB/XHCI/Device.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/kernel/USB/XHCI/Device.cpp b/kernel/kernel/USB/XHCI/Device.cpp
index fe2267bc..9c1d384f 100644
--- a/kernel/kernel/USB/XHCI/Device.cpp
+++ b/kernel/kernel/USB/XHCI/Device.cpp
@@ -156,7 +156,7 @@ namespace Kernel
 	// 6.2.3.6 Interval
 	static uint32_t determine_interval(const USBEndpointDescriptor& endpoint_descriptor, USB::SpeedClass speed_class)
 	{
-		auto ep_type = static_cast<USB::EndpointType>(endpoint_descriptor.bDescriptorType & 0x03);
+		const auto ep_type = static_cast<USB::EndpointType>(endpoint_descriptor.bmAttributes & 0x03);
 
 		switch (speed_class)
 		{