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Diffstat (limited to 'drivers/scsi/atari_NCR5380.c')
-rw-r--r--drivers/scsi/atari_NCR5380.c52
1 files changed, 46 insertions, 6 deletions
diff --git a/drivers/scsi/atari_NCR5380.c b/drivers/scsi/atari_NCR5380.c
index 0f920c84ac0f..1b4612c71ce2 100644
--- a/drivers/scsi/atari_NCR5380.c
+++ b/drivers/scsi/atari_NCR5380.c
@@ -264,7 +264,7 @@ static struct scsi_host_template *the_template = NULL;
264 (struct NCR5380_hostdata *)(in)->hostdata 264 (struct NCR5380_hostdata *)(in)->hostdata
265#define HOSTDATA(in) ((struct NCR5380_hostdata *)(in)->hostdata) 265#define HOSTDATA(in) ((struct NCR5380_hostdata *)(in)->hostdata)
266 266
267#define NEXT(cmd) ((Scsi_Cmnd *)((cmd)->host_scribble)) 267#define NEXT(cmd) ((cmd)->host_scribble)
268#define NEXTADDR(cmd) ((Scsi_Cmnd **)&((cmd)->host_scribble)) 268#define NEXTADDR(cmd) ((Scsi_Cmnd **)&((cmd)->host_scribble))
269 269
270#define HOSTNO instance->host_no 270#define HOSTNO instance->host_no
@@ -716,7 +716,7 @@ static void NCR5380_print_status (struct Scsi_Host *instance)
716 printk("NCR5380_print_status: no memory for print buffer\n"); 716 printk("NCR5380_print_status: no memory for print buffer\n");
717 return; 717 return;
718 } 718 }
719 len = NCR5380_proc_info(pr_bfr, &start, 0, PAGE_SIZE, HOSTNO, 0); 719 len = NCR5380_proc_info(instance, pr_bfr, &start, 0, PAGE_SIZE, 0);
720 pr_bfr[len] = 0; 720 pr_bfr[len] = 0;
721 printk("\n%s\n", pr_bfr); 721 printk("\n%s\n", pr_bfr);
722 free_page((unsigned long) pr_bfr); 722 free_page((unsigned long) pr_bfr);
@@ -878,6 +878,46 @@ static int NCR5380_init (struct Scsi_Host *instance, int flags)
878} 878}
879 879
880/* 880/*
881 * our own old-style timeout update
882 */
883/*
884 * The strategy is to cause the timer code to call scsi_times_out()
885 * when the soonest timeout is pending.
886 * The arguments are used when we are queueing a new command, because
887 * we do not want to subtract the time used from this time, but when we
888 * set the timer, we want to take this value into account.
889 */
890
891int atari_scsi_update_timeout(Scsi_Cmnd * SCset, int timeout)
892{
893 int rtn;
894
895 /*
896 * We are using the new error handling code to actually register/deregister
897 * timers for timeout.
898 */
899
900 if (!timer_pending(&SCset->eh_timeout)) {
901 rtn = 0;
902 } else {
903 rtn = SCset->eh_timeout.expires - jiffies;
904 }
905
906 if (timeout == 0) {
907 del_timer(&SCset->eh_timeout);
908 SCset->eh_timeout.data = (unsigned long) NULL;
909 SCset->eh_timeout.expires = 0;
910 } else {
911 if (SCset->eh_timeout.data != (unsigned long) NULL)
912 del_timer(&SCset->eh_timeout);
913 SCset->eh_timeout.data = (unsigned long) SCset;
914 SCset->eh_timeout.expires = jiffies + timeout;
915 add_timer(&SCset->eh_timeout);
916 }
917 return rtn;
918}
919
920/*
881 * Function : int NCR5380_queue_command (Scsi_Cmnd *cmd, 921 * Function : int NCR5380_queue_command (Scsi_Cmnd *cmd,
882 * void (*done)(Scsi_Cmnd *)) 922 * void (*done)(Scsi_Cmnd *))
883 * 923 *
@@ -902,7 +942,7 @@ int NCR5380_queue_command (Scsi_Cmnd *cmd, void (*done)(Scsi_Cmnd *))
902 Scsi_Cmnd *tmp; 942 Scsi_Cmnd *tmp;
903 int oldto; 943 int oldto;
904 unsigned long flags; 944 unsigned long flags;
905 extern int update_timeout(Scsi_Cmnd * SCset, int timeout); 945 // extern int update_timeout(Scsi_Cmnd * SCset, int timeout);
906 946
907#if (NDEBUG & NDEBUG_NO_WRITE) 947#if (NDEBUG & NDEBUG_NO_WRITE)
908 switch (cmd->cmnd[0]) { 948 switch (cmd->cmnd[0]) {
@@ -978,9 +1018,9 @@ int NCR5380_queue_command (Scsi_Cmnd *cmd, void (*done)(Scsi_Cmnd *))
978 * alter queues and touch the lock. 1018 * alter queues and touch the lock.
979 */ 1019 */
980 if (!IS_A_TT()) { 1020 if (!IS_A_TT()) {
981 oldto = update_timeout(cmd, 0); 1021 oldto = atari_scsi_update_timeout(cmd, 0);
982 falcon_get_lock(); 1022 falcon_get_lock();
983 update_timeout(cmd, oldto); 1023 atari_scsi_update_timeout(cmd, oldto);
984 } 1024 }
985 if (!(hostdata->issue_queue) || (cmd->cmnd[0] == REQUEST_SENSE)) { 1025 if (!(hostdata->issue_queue) || (cmd->cmnd[0] == REQUEST_SENSE)) {
986 LIST(cmd, hostdata->issue_queue); 1026 LIST(cmd, hostdata->issue_queue);
@@ -1435,7 +1475,7 @@ static int NCR5380_select (struct Scsi_Host *instance, Scsi_Cmnd *cmd, int tag)
1435 local_irq_restore(flags); 1475 local_irq_restore(flags);
1436 1476
1437 /* Wait for arbitration logic to complete */ 1477 /* Wait for arbitration logic to complete */
1438#if NCR_TIMEOUT 1478#if defined(NCR_TIMEOUT)
1439 { 1479 {
1440 unsigned long timeout = jiffies + 2*NCR_TIMEOUT; 1480 unsigned long timeout = jiffies + 2*NCR_TIMEOUT;
1441 1481