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| author | Nishanth Aravamudan <nacc@us.ibm.com> | 2005-09-10 00:27:31 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-09-10 10:06:38 -0700 |
| commit | 7b4ccf8db4c1dc343ad5d6ed19240bbc3b5f945f (patch) | |
| tree | 5e73fbba733a6e77f157c4022ee26b8c56b7410e | |
| parent | da4cd8dfe18ee901b880f94ca0fa79d5cc1cd0eb (diff) | |
| download | lwn-7b4ccf8db4c1dc343ad5d6ed19240bbc3b5f945f.tar.gz lwn-7b4ccf8db4c1dc343ad5d6ed19240bbc3b5f945f.zip | |
[PATCH] parport: fix-up schedule_timeout() usage
Use schedule_timeout_interruptible() instead of
set_current_state()/schedule_timeout() to reduce kernel size. Also use
human-time to jiffies units conversion functions rather than direct HZ
division to avoid rounding issues.
Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| -rw-r--r-- | drivers/parport/ieee1284.c | 7 | ||||
| -rw-r--r-- | drivers/parport/ieee1284_ops.c | 10 | ||||
| -rw-r--r-- | drivers/parport/parport_pc.c | 3 |
3 files changed, 8 insertions, 12 deletions
diff --git a/drivers/parport/ieee1284.c b/drivers/parport/ieee1284.c index 694bae162fed..5b887ba5aaf9 100644 --- a/drivers/parport/ieee1284.c +++ b/drivers/parport/ieee1284.c @@ -196,7 +196,7 @@ int parport_wait_peripheral(struct parport *port, return 1; /* 40ms of slow polling. */ - deadline = jiffies + (HZ + 24) / 25; + deadline = jiffies + msecs_to_jiffies(40); while (time_before (jiffies, deadline)) { int ret; @@ -205,7 +205,7 @@ int parport_wait_peripheral(struct parport *port, /* Wait for 10ms (or until an interrupt occurs if * the handler is set) */ - if ((ret = parport_wait_event (port, (HZ + 99) / 100)) < 0) + if ((ret = parport_wait_event (port, msecs_to_jiffies(10))) < 0) return ret; status = parport_read_status (port); @@ -216,8 +216,7 @@ int parport_wait_peripheral(struct parport *port, /* parport_wait_event didn't time out, but the * peripheral wasn't actually ready either. * Wait for another 10ms. */ - __set_current_state (TASK_INTERRUPTIBLE); - schedule_timeout ((HZ+ 99) / 100); + schedule_timeout_interruptible(msecs_to_jiffies(10)); } } diff --git a/drivers/parport/ieee1284_ops.c b/drivers/parport/ieee1284_ops.c index 6624278c6ed8..ce1e2aad8b10 100644 --- a/drivers/parport/ieee1284_ops.c +++ b/drivers/parport/ieee1284_ops.c @@ -60,7 +60,7 @@ size_t parport_ieee1284_write_compat (struct parport *port, parport_data_forward (port); while (count < len) { unsigned long expire = jiffies + dev->timeout; - long wait = (HZ + 99) / 100; + long wait = msecs_to_jiffies(10); unsigned char mask = (PARPORT_STATUS_ERROR | PARPORT_STATUS_BUSY); unsigned char val = (PARPORT_STATUS_ERROR @@ -97,8 +97,7 @@ size_t parport_ieee1284_write_compat (struct parport *port, our interrupt handler called. */ if (count && no_irq) { parport_release (dev); - __set_current_state (TASK_INTERRUPTIBLE); - schedule_timeout (wait); + schedule_timeout_interruptible(wait); parport_claim_or_block (dev); } else @@ -542,13 +541,12 @@ size_t parport_ieee1284_ecp_read_data (struct parport *port, /* Yield the port for a while. */ if (count && dev->port->irq != PARPORT_IRQ_NONE) { parport_release (dev); - __set_current_state (TASK_INTERRUPTIBLE); - schedule_timeout ((HZ + 24) / 25); + schedule_timeout_interruptible(msecs_to_jiffies(40)); parport_claim_or_block (dev); } else /* We must have the device claimed here. */ - parport_wait_event (port, (HZ + 24) / 25); + parport_wait_event (port, msecs_to_jiffies(40)); /* Is there a signal pending? */ if (signal_pending (current)) diff --git a/drivers/parport/parport_pc.c b/drivers/parport/parport_pc.c index 1b938bb9be3c..c6493ad7c0c8 100644 --- a/drivers/parport/parport_pc.c +++ b/drivers/parport/parport_pc.c @@ -173,8 +173,7 @@ static int change_mode(struct parport *p, int m) if (time_after_eq (jiffies, expire)) /* The FIFO is stuck. */ return -EBUSY; - __set_current_state (TASK_INTERRUPTIBLE); - schedule_timeout ((HZ + 99) / 100); + schedule_timeout_interruptible(msecs_to_jiffies(10)); if (signal_pending (current)) break; } |