[PATCH v2 28/72] ncr5380: Drop DEF_SCSI_QCMD macro

Finn Thain
2015-12-06T03:44:04Z

[-- Attachment #1: ncr5380-drop-DEF_SCSI_QCMD --]
[-- Type: text/plain, Size: 3678 bytes --]

Remove the DEF_SCSI_QCMD macro (already removed from atari_NCR5380.c). The
lock provided by DEF_SCSI_QCMD is only needed for queue data structures.

Signed-off-by: Finn Thain <fthain@telegraphics.com.au>

---
drivers/scsi/NCR5380.c | 30 +++++++++++++++---------------
drivers/scsi/atari_NCR5380.c | 2 +-
2 files changed, 16 insertions(+), 16 deletions(-)

Index: linux/drivers/scsi/NCR5380.c
===================================================================
--- linux.orig/drivers/scsi/NCR5380.c 2015-12-06 12:30:15.000000000 +1100
+++ linux/drivers/scsi/NCR5380.c 2015-12-06 12:30:16.000000000 +1100
@@ -803,22 +803,21 @@ static void NCR5380_exit(struct Scsi_Hos
}

/**
- * NCR5380_queue_command - queue a command
- * @cmd: SCSI command
- * @done: completion handler
+ * NCR5380_queue_command - queue a command
+ * @instance: the relevant SCSI adapter
+ * @cmd: SCSI command
*
- * cmd is added to the per instance issue_queue, with minor
- * twiddling done to the host specific fields of cmd. If the
- * main coroutine is not running, it is restarted.
- *
- * Locks: host lock taken by caller
+ * cmd is added to the per-instance issue queue, with minor
+ * twiddling done to the host specific fields of cmd. If the
+ * main coroutine is not running, it is restarted.
*/

-static int NCR5380_queue_command_lck(struct scsi_cmnd *cmd, void (*done) (struct scsi_cmnd *))
+static int NCR5380_queue_command(struct Scsi_Host *instance,
+ struct scsi_cmnd *cmd)
{
- struct Scsi_Host *instance = cmd->device->host;
- struct NCR5380_hostdata *hostdata = (struct NCR5380_hostdata *) instance->hostdata;
+ struct NCR5380_hostdata *hostdata = shost_priv(instance);
struct scsi_cmnd *tmp;
+ unsigned long flags;

#if (NDEBUG & NDEBUG_NO_WRITE)
switch (cmd->cmnd[0]) {
@@ -826,7 +825,7 @@ static int NCR5380_queue_command_lck(str
case WRITE_10:
printk("scsi%d : WRITE attempted with NO_WRITE debugging flag set\n", instance->host_no);
cmd->result = (DID_ERROR << 16);
- done(cmd);
+ cmd->scsi_done(cmd);
return 0;
}
#endif /* (NDEBUG & NDEBUG_NO_WRITE) */
@@ -837,9 +836,10 @@ static int NCR5380_queue_command_lck(str
*/

cmd->host_scribble = NULL;
- cmd->scsi_done = done;
cmd->result = 0;

+ spin_lock_irqsave(instance->host_lock, flags);
+
/*
* Insert the cmd into the issue queue. Note that REQUEST SENSE
* commands are added to the head of the queue since any command will
@@ -856,6 +856,8 @@ static int NCR5380_queue_command_lck(str
LIST(cmd, tmp);
tmp->host_scribble = (unsigned char *) cmd;
}
+ spin_unlock_irqrestore(instance->host_lock, flags);
+
dprintk(NDEBUG_QUEUES, "scsi%d : command added to %s of queue\n", instance->host_no, (cmd->cmnd[0] == REQUEST_SENSE) ? "head" : "tail");

/* Run the coroutine if it isn't already running. */
@@ -864,8 +866,6 @@ static int NCR5380_queue_command_lck(str
return 0;
}

-static DEF_SCSI_QCMD(NCR5380_queue_command)
-
/**
* NCR5380_main - NCR state machines
*
Index: linux/drivers/scsi/atari_NCR5380.c
===================================================================
--- linux.orig/drivers/scsi/atari_NCR5380.c 2015-12-06 12:30:12.000000000 +1100
+++ linux/drivers/scsi/atari_NCR5380.c 2015-12-06 12:30:16.000000000 +1100
@@ -925,7 +925,7 @@ static void NCR5380_exit(struct Scsi_Hos
* @instance: the relevant SCSI adapter
* @cmd: SCSI command
*
- * cmd is added to the per instance issue_queue, with minor
+ * cmd is added to the per-instance issue queue, with minor
* twiddling done to the host specific fields of cmd. If the
* main coroutine is not running, it is restarted.
*/