diff options
Diffstat (limited to 'drivers/macintosh/via-pmu.c')
| -rw-r--r-- | drivers/macintosh/via-pmu.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/macintosh/via-pmu.c b/drivers/macintosh/via-pmu.c index f8a2c917201f..ba41220f618e 100644 --- a/drivers/macintosh/via-pmu.c +++ b/drivers/macintosh/via-pmu.c @@ -534,8 +534,9 @@ init_pmu(void) int timeout; struct adb_request req; - out_8(&via[B], via[B] | TREQ); /* negate TREQ */ - out_8(&via[DIRB], (via[DIRB] | TREQ) & ~TACK); /* TACK in, TREQ out */ + /* Negate TREQ. Set TACK to input and TREQ to output. */ + out_8(&via[B], in_8(&via[B]) | TREQ); + out_8(&via[DIRB], (in_8(&via[DIRB]) | TREQ) & ~TACK); pmu_request(&req, NULL, 2, PMU_SET_INTR_MASK, pmu_intr_mask); timeout = 100000; @@ -1418,8 +1419,8 @@ pmu_sr_intr(void) struct adb_request *req; int bite = 0; - if (via[B] & TREQ) { - printk(KERN_ERR "PMU: spurious SR intr (%x)\n", via[B]); + if (in_8(&via[B]) & TREQ) { + printk(KERN_ERR "PMU: spurious SR intr (%x)\n", in_8(&via[B])); out_8(&via[IFR], SR_INT); return NULL; } |