diff options
author | Andi Kleen <andi@basil.nowhere.org> | 2006-11-21 10:22:09 +0100 |
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committer | Andi Kleen <andi@basil.nowhere.org> | 2006-11-21 10:22:09 +0100 |
commit | 1b7f6a626f0ff511c3840678466cbfe1d62c0b29 (patch) | |
tree | 415e8c838c0067bff384afb8a2c91e5f7c6d11d3 /drivers/isdn/hysdn/hysdn_sched.c | |
parent | b3edc9cec07ade41aaf1804f7c9e876afa90c862 (diff) | |
parent | 3f5a6ca31c334011fd929501a078424c0d3f71be (diff) |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'drivers/isdn/hysdn/hysdn_sched.c')
-rw-r--r-- | drivers/isdn/hysdn/hysdn_sched.c | 19 |
1 files changed, 4 insertions, 15 deletions
diff --git a/drivers/isdn/hysdn/hysdn_sched.c b/drivers/isdn/hysdn/hysdn_sched.c index 1fadf0133e9..18758772b74 100644 --- a/drivers/isdn/hysdn/hysdn_sched.c +++ b/drivers/isdn/hysdn/hysdn_sched.c @@ -155,21 +155,17 @@ hysdn_tx_cfgline(hysdn_card *card, unsigned char *line, unsigned short chan) if (card->debug_flags & LOG_SCHED_ASYN) hysdn_addlog(card, "async tx-cfg chan=%d len=%d", chan, strlen(line) + 1); - spin_lock_irqsave(&card->hysdn_lock, flags); while (card->async_busy) { - sti(); if (card->debug_flags & LOG_SCHED_ASYN) hysdn_addlog(card, "async tx-cfg delayed"); msleep_interruptible(20); /* Timeout 20ms */ - if (!--cnt) { - spin_unlock_irqrestore(&card->hysdn_lock, flags); + if (!--cnt) return (-ERR_ASYNC_TIME); /* timed out */ - } - cli(); } /* wait for buffer to become free */ + spin_lock_irqsave(&card->hysdn_lock, flags); strcpy(card->async_data, line); card->async_len = strlen(line) + 1; card->async_channel = chan; @@ -177,30 +173,23 @@ hysdn_tx_cfgline(hysdn_card *card, unsigned char *line, unsigned short chan) /* now queue the task */ schedule_work(&card->irq_queue); - sti(); + spin_unlock_irqrestore(&card->hysdn_lock, flags); if (card->debug_flags & LOG_SCHED_ASYN) hysdn_addlog(card, "async tx-cfg data queued"); cnt++; /* short delay */ - cli(); while (card->async_busy) { - sti(); if (card->debug_flags & LOG_SCHED_ASYN) hysdn_addlog(card, "async tx-cfg waiting for tx-ready"); msleep_interruptible(20); /* Timeout 20ms */ - if (!--cnt) { - spin_unlock_irqrestore(&card->hysdn_lock, flags); + if (!--cnt) return (-ERR_ASYNC_TIME); /* timed out */ - } - cli(); } /* wait for buffer to become free again */ - spin_unlock_irqrestore(&card->hysdn_lock, flags); - if (card->debug_flags & LOG_SCHED_ASYN) hysdn_addlog(card, "async tx-cfg data send"); |