diff --git a/kernel/src/drivers/bus/pci.rs b/kernel/src/drivers/bus/pci.rs
index 1c6f103..60ca629 100644
--- a/kernel/src/drivers/bus/pci.rs
+++ b/kernel/src/drivers/bus/pci.rs
@@ -157,9 +157,8 @@ pub fn init_driver(dev: &PCIDevice) {
                 );
             }
         }
-        (0x8086, 0x2922) | (0x8086, 0xa282) | (0x8086, 0x8d02) => {
+        (0x8086, 0x2922) | (0x8086, 0x8d02) => {
             // 82801IR/IO/IH (ICH9R/DO/DH) 6 port SATA Controller [AHCI mode]
-            // 200 Series PCH SATA controller [AHCI mode]
             // C610/X99 series chipset 6-Port SATA Controller [AHCI mode]
             if let Some(BAR::Memory(addr, len, _, _)) = dev.bars[5] {
                 let irq = unsafe { enable(dev.loc) };
diff --git a/kernel/src/sync/condvar.rs b/kernel/src/sync/condvar.rs
index b7c6f0f..e9e4ae0 100644
--- a/kernel/src/sync/condvar.rs
+++ b/kernel/src/sync/condvar.rs
@@ -33,10 +33,12 @@ impl Condvar {
         return lock;
     }
 
+    /// Wait for condvar until condition() returns Some
     pub fn wait_event<T>(condvar: &Condvar, mut condition: impl FnMut() -> Option<T>) -> T {
         Self::wait_events(&[condvar], condition)
     }
 
+    /// Wait for condvars until condition() returns Some
     pub fn wait_events<T>(condvars: &[&Condvar], mut condition: impl FnMut() -> Option<T>) -> T {
         let thread = thread::current();
         let tid = thread.id();