diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/macintosh/via-cuda.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/macintosh/via-cuda.c b/drivers/macintosh/via-cuda.c index bbec6ac0a966..3581abfb0c6a 100644 --- a/drivers/macintosh/via-cuda.c +++ b/drivers/macintosh/via-cuda.c @@ -569,6 +569,7 @@ cuda_interrupt(int irq, void *arg) unsigned char ibuf[16]; int ibuf_len = 0; int complete = 0; + bool full; spin_lock_irqsave(&cuda_lock, flags); @@ -656,12 +657,13 @@ idle_state: break; case reading: - if (reading_reply ? ARRAY_FULL(current_req->reply, reply_ptr) - : ARRAY_FULL(cuda_rbuf, reply_ptr)) + full = reading_reply ? ARRAY_FULL(current_req->reply, reply_ptr) + : ARRAY_FULL(cuda_rbuf, reply_ptr); + if (full) (void)in_8(&via[SR]); else *reply_ptr++ = in_8(&via[SR]); - if (!TREQ_asserted(status)) { + if (!TREQ_asserted(status) || full) { if (mcu_is_egret) assert_TACK(); /* that's all folks */ |