diff options
| author | Paul Mackerras <paulus@samba.org> | 2006-12-04 15:59:07 +1100 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2006-12-04 15:59:07 +1100 |
| commit | 79acbb3ff2d8095b692e1502b9eb2ccec348de26 (patch) | |
| tree | 6ab773e5a8f9de2cd6443362b21d0d6fffe3b35e /drivers/net/b44.c | |
| parent | 19a79859e168640f8e16d7b216d211c1c52b687a (diff) | |
| parent | 2b5f6dcce5bf94b9b119e9ed8d537098ec61c3d2 (diff) | |
Merge branch 'linux-2.6' into for-linus
Diffstat (limited to 'drivers/net/b44.c')
| -rw-r--r-- | drivers/net/b44.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/net/b44.c b/drivers/net/b44.c index 1ec217433b4..474a4e3438d 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) { |