diff options
| author | Vladimir Kondratyev <wulf@FreeBSD.org> | 2019-11-03 20:46:20 +0000 |
|---|---|---|
| committer | Vladimir Kondratyev <wulf@FreeBSD.org> | 2019-11-03 20:46:20 +0000 |
| commit | 0a6b1b56d9104f12fadc477cbb9d5e0dd0a7bf60 (patch) | |
| tree | 8d613ab2f69eaad4d8e7699e9051149943ecb83d /sys/dev/ichiic | |
| parent | 733d657a748dfc0673234a6e0411da09de51c1ee (diff) | |
Notes
Diffstat (limited to 'sys/dev/ichiic')
| -rw-r--r-- | sys/dev/ichiic/ig4_iic.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/sys/dev/ichiic/ig4_iic.c b/sys/dev/ichiic/ig4_iic.c index 4d6026d48bd5..e201842112a6 100644 --- a/sys/dev/ichiic/ig4_iic.c +++ b/sys/dev/ichiic/ig4_iic.c @@ -685,9 +685,12 @@ ig4iic_intr(void *cookie) ig4iic_softc_t *sc = cookie; mtx_lock(&sc->io_lock); - set_intr_mask(sc, 0); - reg_read(sc, IG4_REG_CLR_INTR); - wakeup(sc); + /* Ignore stray interrupts */ + if (sc->intr_mask != 0 && reg_read(sc, IG4_REG_INTR_STAT) != 0) { + set_intr_mask(sc, 0); + reg_read(sc, IG4_REG_CLR_INTR); + wakeup(sc); + } mtx_unlock(&sc->io_lock); } |