[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>

5 files changed, 12 insertions, 12 deletions

diff --git a/drivers/usb/class/audio.c b/drivers/usb/class/audio.c
index f8f21567cc22..50858273f8d3 100644
--- a/drivers/usb/class/audio.c
+++ b/drivers/usb/class/audio.c
@@ -631,8 +631,10 @@ static void usbin_stop(struct usb_audiodev *as)
         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 @@ static void usbout_stop(struct usb_audiodev *as)
         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 ae5ba4ddfb40..b948ffd94f45 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -1147,8 +1147,7 @@ rescan:
         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 56b43f2a0e52..ddaa9c82c58d 100644
--- a/drivers/usb/host/ohci-hcd.c
+++ b/drivers/usb/host/ohci-hcd.c
@@ -382,8 +382,7 @@ sanitize:
                         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 05c44ae3ed32..9ee1aaff2fcd 100644
--- a/drivers/usb/serial/cypress_m8.c
+++ b/drivers/usb/serial/cypress_m8.c
@@ -610,8 +610,7 @@ static void cypress_close(struct usb_serial_port *port, struct file * filp)
                 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 461474176cfb..ea8c6e74be4f 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -652,8 +652,7 @@ static void pl2303_close (struct usb_serial_port *port, struct file *filp)
                 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__);