From 20e5c023919c8982aa40b818efb134800c6ccad9 Mon Sep 17 00:00:00 2001
From: 4lDO2 <4lDO2@protonmail.com>
Date: Sat, 15 Feb 2020 09:55:36 +0100
Subject: [PATCH] Use correct ioc and chain bits when creating trbs.

---
 xhcid/src/xhci/scheme.rs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/xhcid/src/xhci/scheme.rs b/xhcid/src/xhci/scheme.rs
index 50fb886b2b..f8c35f877b 100644
--- a/xhcid/src/xhci/scheme.rs
+++ b/xhcid/src/xhci/scheme.rs
@@ -918,6 +918,10 @@ impl Xhci {
             |trb, cycle| {
                 let len = cmp::min(bytes_left, max_transfer_size as usize) as u32;
 
+                // set the interrupt on completion (IOC) flag for the last trb.
+                let ioc = bytes_left <= max_transfer_size as usize;
+                let chain = !ioc;
+
                 trb.normal(
                     buffer,
                     len,
@@ -926,7 +930,7 @@ impl Xhci {
                     0,
                     false,
                     true,
-                    false,
+                    chain,
                     true,
                     idt,
                     false,