diff options
| -rw-r--r-- | sound/pci/hda/hda_controller.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/sound/pci/hda/hda_controller.c b/sound/pci/hda/hda_controller.c index 156930d0c9d3..ec0608d44263 100644 --- a/sound/pci/hda/hda_controller.c +++ b/sound/pci/hda/hda_controller.c @@ -789,6 +789,7 @@ static int azx_rirb_get_response(struct hdac_bus *bus, unsigned int addr, unsigned long timeout; unsigned long loopcounter; int do_poll = 0; + bool warned = false; again: timeout = jiffies + msecs_to_jiffies(1000); @@ -808,9 +809,17 @@ static int azx_rirb_get_response(struct hdac_bus *bus, unsigned int addr, spin_unlock_irq(&bus->reg_lock); if (time_after(jiffies, timeout)) break; - if (hbus->needs_damn_long_delay || loopcounter > 3000) +#define LOOP_COUNT_MAX 3000 + if (hbus->needs_damn_long_delay || + loopcounter > LOOP_COUNT_MAX) { + if (loopcounter > LOOP_COUNT_MAX && !warned) { + dev_dbg_ratelimited(chip->card->dev, + "too slow response, last cmd=%#08x\n", + bus->last_cmd[addr]); + warned = true; + } msleep(2); /* temporary workaround */ - else { + } else { udelay(10); cond_resched(); } |