[PATCH] zd1211rw: Add ID for Planex GW-US54Mini

[powerpc.git] / drivers / net / b44.c

diff --git a/drivers/net/b44.c b/drivers/net/b44.c
index 1ec2174..474a4e3 100644 (file)
--- a/drivers/net/b44.c
+++ b/drivers/net/b44.c
@@ -908,8 +908,9 @@ static irqreturn_t b44_interrupt(int irq, void *dev_id)
        istat = br32(bp, B44_ISTAT);
        imask = br32(bp, B44_IMASK);
 
-       /* ??? What the fuck is the purpose of the interrupt mask
-        * ??? register if we have to mask it out by hand anyways?
+       /* The interrupt mask register controls which interrupt bits
+        * will actually raise an interrupt to the CPU when set by hw/firmware,
+        * but doesn't mask off the bits.
         */
        istat &= imask;
        if (istat) {