[PATCH] janitor: block/xd: replace schedule_timeout() with msleep()/msleep_interruptible()

Use msleep() or msleep_interruptible() [as appropriate] instead of
schedule_timeout() to gurantee the task delays as expected.  As a result
changed the units of the timeout variable from jiffies to msecs.

Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com>
Signed-off-by: Maximilian Attems <janitor@sternwelten.at>
Signed-off-by: Domen Puncer <domen@coderock.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 6 insertions, 9 deletions

diff --git a/drivers/block/xd.c b/drivers/block/xd.c
index 1676033da6c6..2c6d3423496b 100644
--- a/drivers/block/xd.c
+++ b/drivers/block/xd.c
@@ -47,6 +47,7 @@
 #include <linux/wait.h>
 #include <linux/blkdev.h>
 #include <linux/blkpg.h>
+#include <linux/delay.h>
 
 #include <asm/system.h>
 #include <asm/io.h>
@@ -62,7 +63,7 @@ static int xd[5] = { -1,-1,-1,-1, };
 
 #define XD_DONT_USE_DMA         0  /* Initial value. may be overriden using
                                       "nodma" module option */
-#define XD_INIT_DISK_DELAY      (30*HZ/1000)  /* 30 ms delay during disk initialization */
+#define XD_INIT_DISK_DELAY      (30)  /* 30 ms delay during disk initialization */
 
 /* Above may need to be increased if a problem with the 2nd drive detection
    (ST11M controller) or resetting a controller (WD) appears */
@@ -633,14 +634,12 @@ static u_char __init xd_initdrives (void (*init_drive)(u_char drive))
         for (i = 0; i < XD_MAXDRIVES; i++) {
                 xd_build(cmdblk,CMD_TESTREADY,i,0,0,0,0,0);
                 if (!xd_command(cmdblk,PIO_MODE,NULL,NULL,NULL,XD_TIMEOUT*8)) {
-                        set_current_state(TASK_INTERRUPTIBLE);
-                        schedule_timeout(XD_INIT_DISK_DELAY);
+                        msleep_interruptible(XD_INIT_DISK_DELAY);
 
                         init_drive(count);
                         count++;
 
-                        set_current_state(TASK_INTERRUPTIBLE);
-                        schedule_timeout(XD_INIT_DISK_DELAY);
+                        msleep_interruptible(XD_INIT_DISK_DELAY);
                 }
         }
         return (count);
@@ -761,8 +760,7 @@ static void __init xd_wd_init_controller (unsigned int address)
 
         outb(0,XD_RESET);               /* reset the controller */
 
-        set_current_state(TASK_UNINTERRUPTIBLE);
-        schedule_timeout(XD_INIT_DISK_DELAY);
+        msleep(XD_INIT_DISK_DELAY);
 }
 
 static void __init xd_wd_init_drive (u_char drive)
@@ -936,8 +934,7 @@ If you need non-standard settings use the xd=... command */
         xd_maxsectors = 0x01;
         outb(0,XD_RESET);               /* reset the controller */
 
-        set_current_state(TASK_UNINTERRUPTIBLE);
-        schedule_timeout(XD_INIT_DISK_DELAY);
+        msleep(XD_INIT_DISK_DELAY);
 }
 
 static void __init xd_xebec_init_drive (u_char drive)