[PATCH] drivers/usb: fix-up schedule_timeout() usage
Description: Use schedule_timeout_{,un}interruptible() instead of
set_current_state()/schedule_timeout() to reduce kernel size.
Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/usb/class/audio.c b/drivers/usb/class/audio.c
index f8f2156..5085827 100644
--- a/drivers/usb/class/audio.c
+++ b/drivers/usb/class/audio.c
@@ -631,8 +631,10 @@
i = u->flags;
spin_unlock_irqrestore(&as->lock, flags);
while (i & (FLG_URB0RUNNING|FLG_URB1RUNNING|FLG_SYNC0RUNNING|FLG_SYNC1RUNNING)) {
- set_current_state(notkilled ? TASK_INTERRUPTIBLE : TASK_UNINTERRUPTIBLE);
- schedule_timeout(1);
+ if (notkilled)
+ schedule_timeout_interruptible(1);
+ else
+ schedule_timeout_uninterruptible(1);
spin_lock_irqsave(&as->lock, flags);
i = u->flags;
spin_unlock_irqrestore(&as->lock, flags);
@@ -1102,8 +1104,10 @@
i = u->flags;
spin_unlock_irqrestore(&as->lock, flags);
while (i & (FLG_URB0RUNNING|FLG_URB1RUNNING|FLG_SYNC0RUNNING|FLG_SYNC1RUNNING)) {
- set_current_state(notkilled ? TASK_INTERRUPTIBLE : TASK_UNINTERRUPTIBLE);
- schedule_timeout(1);
+ if (notkilled)
+ schedule_timeout_interruptible(1);
+ else
+ schedule_timeout_uninterruptible(1);
spin_lock_irqsave(&as->lock, flags);
i = u->flags;
spin_unlock_irqrestore(&as->lock, flags);
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index ae5ba4d..b948ffd 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -1147,8 +1147,7 @@
case QH_STATE_UNLINK: /* wait for hw to finish? */
idle_timeout:
spin_unlock_irqrestore (&ehci->lock, flags);
- set_current_state (TASK_UNINTERRUPTIBLE);
- schedule_timeout (1);
+ schedule_timeout_uninterruptible(1);
goto rescan;
case QH_STATE_IDLE: /* fully unlinked */
if (list_empty (&qh->qtd_list)) {
diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c
index 56b43f2..ddaa9c8 100644
--- a/drivers/usb/host/ohci-hcd.c
+++ b/drivers/usb/host/ohci-hcd.c
@@ -382,8 +382,7 @@
goto sanitize;
}
spin_unlock_irqrestore (&ohci->lock, flags);
- set_current_state (TASK_UNINTERRUPTIBLE);
- schedule_timeout (1);
+ schedule_timeout_uninterruptible(1);
goto rescan;
case ED_IDLE: /* fully unlinked */
if (list_empty (&ed->td_list)) {
diff --git a/drivers/usb/serial/cypress_m8.c b/drivers/usb/serial/cypress_m8.c
index 05c44ae..9ee1aaf 100644
--- a/drivers/usb/serial/cypress_m8.c
+++ b/drivers/usb/serial/cypress_m8.c
@@ -610,8 +610,7 @@
timeout = max((HZ*2560)/bps,HZ/10);
else
timeout = 2*HZ;
- set_current_state(TASK_INTERRUPTIBLE);
- schedule_timeout(timeout);
+ schedule_timeout_interruptible(timeout);
dbg("%s - stopping urbs", __FUNCTION__);
usb_kill_urb (port->interrupt_in_urb);
diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index 4614741..ea8c6e7 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -652,8 +652,7 @@
timeout = max((HZ*2560)/bps,HZ/10);
else
timeout = 2*HZ;
- set_current_state(TASK_INTERRUPTIBLE);
- schedule_timeout(timeout);
+ schedule_timeout_interruptible(timeout);
/* shutdown our urbs */
dbg("%s - shutting down urbs", __FUNCTION__);