X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fb44.c;h=474a4e3438dbb11b2b6d0b467c2cdb79a33ab8af;hb=229782a336ab21b8eb7aa91dcb0dbdf728e95aef;hp=1ec217433b4cdc30fcbebe35b1df22b31d3df1ad;hpb=946b92437e550d6ed80213bf54a1f383e141aede;p=powerpc.git

diff --git a/drivers/net/b44.c b/drivers/net/b44.c
index 1ec217433b..474a4e3438 100644
--- 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) {