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authorNishanth Aravamudan <nacc@us.ibm.com>2005-09-10 00:27:31 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2005-09-10 10:06:38 -0700
commit7b4ccf8db4c1dc343ad5d6ed19240bbc3b5f945f (patch)
tree5e73fbba733a6e77f157c4022ee26b8c56b7410e /drivers/parport/ieee1284_ops.c
parentda4cd8dfe18ee901b880f94ca0fa79d5cc1cd0eb (diff)
[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>
Diffstat (limited to 'drivers/parport/ieee1284_ops.c')
-rw-r--r--drivers/parport/ieee1284_ops.c10
1 files changed, 4 insertions, 6 deletions
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))

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