[SCSI] ncr53c8xx: Cleanup namespace collision with ktimers

Replace the mcr53c8xx roll your own ktime_... macros with the correct
time_after() et al.

Signed-off-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

diff --git a/drivers/scsi/ncr53c8xx.c b/drivers/scsi/ncr53c8xx.c
index 519486d..9a4f576 100644 (file)
--- a/drivers/scsi/ncr53c8xx.c
+++ b/drivers/scsi/ncr53c8xx.c
@@ -3481,8 +3481,8 @@ static int ncr_queue_command (struct ncb *np, struct scsi_cmnd *cmd)
        **----------------------------------------------------
        */
        if (np->settle_time && cmd->timeout_per_command >= HZ) {
-               u_long tlimit = ktime_get(cmd->timeout_per_command - HZ);
-               if (ktime_dif(np->settle_time, tlimit) > 0)
+               u_long tlimit = jiffies + cmd->timeout_per_command - HZ;
+               if (time_after(np->settle_time, tlimit))
                        np->settle_time = tlimit;
        }
 
@@ -3516,7 +3516,7 @@ static int ncr_queue_command (struct ncb *np, struct scsi_cmnd *cmd)
                **      Force ordered tag if necessary to avoid timeouts 
                **      and to preserve interactivity.
                */
-               if (lp && ktime_exp(lp->tags_stime)) {
+               if (lp && time_after(jiffies, lp->tags_stime)) {
                        if (lp->tags_smap) {
                                order = M_ORDERED_TAG;
                                if ((DEBUG_FLAGS & DEBUG_TAGS)||bootverbose>2){ 
@@ -3524,7 +3524,7 @@ static int ncr_queue_command (struct ncb *np, struct scsi_cmnd *cmd)
                                                "ordered tag forced.\n");
                                }
                        }
-                       lp->tags_stime = ktime_get(3*HZ);
+                       lp->tags_stime = jiffies + 3*HZ;
                        lp->tags_smap = lp->tags_umap;
                }
 
@@ -3792,7 +3792,7 @@ static int ncr_reset_scsi_bus(struct ncb *np, int enab_int, int settle_delay)
        u32 term;
        int retv = 0;
 
-       np->settle_time = ktime_get(settle_delay * HZ);
+       np->settle_time = jiffies + settle_delay * HZ;
 
        if (bootverbose > 1)
                printk("%s: resetting, "
@@ -5044,7 +5044,7 @@ static void ncr_setup_tags (struct ncb *np, struct scsi_device *sdev)
 
 static void ncr_timeout (struct ncb *np)
 {
-       u_long  thistime = ktime_get(0);
+       u_long  thistime = jiffies;
 
        /*
        **      If release process in progress, let's go
@@ -5057,7 +5057,7 @@ static void ncr_timeout (struct ncb *np)
                return;
        }
 
-       np->timer.expires = ktime_get(SCSI_NCR_TIMER_INTERVAL);
+       np->timer.expires = jiffies + SCSI_NCR_TIMER_INTERVAL;
        add_timer(&np->timer);
 
        /*
@@ -5336,8 +5336,8 @@ void ncr_exception (struct ncb *np)
        **=========================================================
        */
 
-       if (ktime_exp(np->regtime)) {
-               np->regtime = ktime_get(10*HZ);
+       if (time_after(jiffies, np->regtime)) {
+               np->regtime = jiffies + 10*HZ;
                for (i = 0; i<sizeof(np->regdump); i++)
                        ((char*)&np->regdump)[i] = INB_OFF(i);
                np->regdump.nc_dstat = dstat;
@@ -5453,7 +5453,7 @@ static int ncr_int_sbmc (struct ncb *np)
                **      Suspend command processing for 1 second and 
                **      reinitialize all except the chip.
                */
-               np->settle_time = ktime_get(1*HZ);
+               np->settle_time = jiffies + HZ;
                ncr_init (np, 0, bootverbose ? "scsi mode change" : NULL, HS_RESET);
                return 1;
        }
@@ -6923,7 +6923,7 @@ static struct lcb *ncr_setup_lcb (struct ncb *np, struct scsi_device *sdev)
                for (i = 0 ; i < MAX_TAGS ; i++)
                        lp->cb_tags[i] = i;
                lp->maxnxs = MAX_TAGS;
-               lp->tags_stime = ktime_get(3*HZ);
+               lp->tags_stime = jiffies + 3*HZ;
                ncr_setup_tags (np, sdev);
        }
 

diff --git a/drivers/scsi/sym53c8xx_defs.h b/drivers/scsi/sym53c8xx_defs.h
index 4c4ae7d..139cd0e 100644 (file)
--- a/drivers/scsi/sym53c8xx_defs.h
+++ b/drivers/scsi/sym53c8xx_defs.h
@@ -281,19 +281,6 @@
 #endif
 
 /*
-**     These simple macros limit expression involving 
-**     kernel time values (jiffies) to some that have 
-**     chance not to be too much incorrect. :-)
-*/
-#define ktime_get(o)           (jiffies + (u_long) o)
-#define ktime_exp(b)           ((long)(jiffies) - (long)(b) >= 0)
-#define ktime_dif(a, b)                ((long)(a) - (long)(b))
-/* These ones are not used in this driver */
-#define ktime_add(a, o)                ((a) + (u_long)(o))
-#define ktime_sub(a, o)                ((a) - (u_long)(o))
-
-
-/*
  *  IO functions definition for big/little endian CPU support.
  *  For now, the NCR is only supported in little endian addressing mode, 
  */