[SCSI] mesh: cleanup variable usage in interrupt handler

_ convert void* to struct mesh_state*

- remove unused irq argument from mesh_interrupt()

Signed-off-by: Olaf Hering <olaf@aepfle.de>
Cc: James Bottomley <James.Bottomley@steeleye.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

diff --git a/drivers/scsi/mesh.c b/drivers/scsi/mesh.c
index 1fd3c7590d316bf93207a475dc0e32f0d009c3e2..6f50a5b3e4ce7c480777a3b9a9e55691d2c9afed 100644 (file)
--- a/drivers/scsi/mesh.c
+++ b/drivers/scsi/mesh.c
@@ -185,7 +185,7 @@ struct mesh_state {
  * Driver is too messy, we need a few prototypes...
  */
 static void mesh_done(struct mesh_state *ms, int start_next);
-static void mesh_interrupt(int irq, void *dev_id);
+static void mesh_interrupt(struct mesh_state *ms);
 static void cmd_complete(struct mesh_state *ms);
 static void set_dma_cmds(struct mesh_state *ms, struct scsi_cmnd *cmd);
 static void halt_dma(struct mesh_state *ms);
@@ -466,7 +466,7 @@ static void mesh_start_cmd(struct mesh_state *ms, struct scsi_cmnd *cmd)
                                dlog(ms, "intr b4 arb, intr/exc/err/fc=%.8x",
                                     MKWORD(mr->interrupt, mr->exception,
                                            mr->error, mr->fifo_count));
-                               mesh_interrupt(0, (void *)ms);
+                               mesh_interrupt(ms);
                                if (ms->phase != arbitrating)
                                        return;
                        }
@@ -504,7 +504,7 @@ static void mesh_start_cmd(struct mesh_state *ms, struct scsi_cmnd *cmd)
                dlog(ms, "intr after disresel, intr/exc/err/fc=%.8x",
                     MKWORD(mr->interrupt, mr->exception,
                            mr->error, mr->fifo_count));
-               mesh_interrupt(0, (void *)ms);
+               mesh_interrupt(ms);
                if (ms->phase != arbitrating)
                        return;
                dlog(ms, "after intr after disresel, intr/exc/err/fc=%.8x",
@@ -1018,10 +1018,11 @@ static void handle_reset(struct mesh_state *ms)
 static irqreturn_t do_mesh_interrupt(int irq, void *dev_id)
 {
        unsigned long flags;
-       struct Scsi_Host *dev = ((struct mesh_state *)dev_id)->host;
+       struct mesh_state *ms = dev_id;
+       struct Scsi_Host *dev = ms->host;
        
        spin_lock_irqsave(dev->host_lock, flags);
-       mesh_interrupt(irq, dev_id);
+       mesh_interrupt(ms);
        spin_unlock_irqrestore(dev->host_lock, flags);
        return IRQ_HANDLED;
 }
@@ -1661,9 +1662,8 @@ static int mesh_queue(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
  * handler (do_mesh_interrupt) or by other functions in
  * exceptional circumstances
  */
-static void mesh_interrupt(int irq, void *dev_id)
+static void mesh_interrupt(struct mesh_state *ms)
 {
-       struct mesh_state *ms = (struct mesh_state *) dev_id;
        volatile struct mesh_regs __iomem *mr = ms->mesh;
        int intr;