[SCSI] a2091: Reindentation
authorGeert Uytterhoeven <geert@linux-m68k.org>
Sun, 4 Apr 2010 09:00:32 +0000 (11:00 +0200)
committerJames Bottomley <James.Bottomley@suse.de>
Sun, 2 May 2010 19:54:31 +0000 (15:54 -0400)
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
drivers/scsi/a2091.c
drivers/scsi/a2091.h

index e89064d..8469c23 100644 (file)
 #include "wd33c93.h"
 #include "a2091.h"
 
-#include<linux/stat.h>
+#include <linux/stat.h>
 
-#define DMA(ptr) ((a2091_scsiregs *)((ptr)->base))
-#define HDATA(ptr) ((struct WD33C93_hostdata *)((ptr)->hostdata))
+
+#define DMA(ptr)       ((a2091_scsiregs *)((ptr)->base))
+#define HDATA(ptr)     ((struct WD33C93_hostdata *)((ptr)->hostdata))
 
 static int a2091_release(struct Scsi_Host *instance);
 
-static irqreturn_t a2091_intr (int irq, void *_instance)
+static irqreturn_t a2091_intr(int irq, void *_instance)
 {
-    unsigned long flags;
-    unsigned int status;
-    struct Scsi_Host *instance = (struct Scsi_Host *)_instance;
-
-    status = DMA(instance)->ISTR;
-    if (!(status & (ISTR_INT_F|ISTR_INT_P)) || !(status & ISTR_INTS))
-       return IRQ_NONE;
-
-    spin_lock_irqsave(instance->host_lock, flags);
-    wd33c93_intr(instance);
-    spin_unlock_irqrestore(instance->host_lock, flags);
-    return IRQ_HANDLED;
+       unsigned long flags;
+       unsigned int status;
+       struct Scsi_Host *instance = (struct Scsi_Host *)_instance;
+
+       status = DMA(instance)->ISTR;
+       if (!(status & (ISTR_INT_F | ISTR_INT_P)) || !(status & ISTR_INTS))
+               return IRQ_NONE;
+
+       spin_lock_irqsave(instance->host_lock, flags);
+       wd33c93_intr(instance);
+       spin_unlock_irqrestore(instance->host_lock, flags);
+       return IRQ_HANDLED;
 }
 
 static int dma_setup(struct scsi_cmnd *cmd, int dir_in)
 {
-    unsigned short cntr = CNTR_PDMD | CNTR_INTEN;
-    unsigned long addr = virt_to_bus(cmd->SCp.ptr);
-    struct Scsi_Host *instance = cmd->device->host;
-
-    /* don't allow DMA if the physical address is bad */
-    if (addr & A2091_XFER_MASK)
-    {
-       HDATA(instance)->dma_bounce_len = (cmd->SCp.this_residual + 511)
-           & ~0x1ff;
-       HDATA(instance)->dma_bounce_buffer =
-           kmalloc (HDATA(instance)->dma_bounce_len, GFP_KERNEL);
-       
-       /* can't allocate memory; use PIO */
-       if (!HDATA(instance)->dma_bounce_buffer) {
-           HDATA(instance)->dma_bounce_len = 0;
-           return 1;
-       }
-
-       /* get the physical address of the bounce buffer */
-       addr = virt_to_bus(HDATA(instance)->dma_bounce_buffer);
+       unsigned short cntr = CNTR_PDMD | CNTR_INTEN;
+       unsigned long addr = virt_to_bus(cmd->SCp.ptr);
+       struct Scsi_Host *instance = cmd->device->host;
 
-       /* the bounce buffer may not be in the first 16M of physmem */
+       /* don't allow DMA if the physical address is bad */
        if (addr & A2091_XFER_MASK) {
-           /* we could use chipmem... maybe later */
-           kfree (HDATA(instance)->dma_bounce_buffer);
-           HDATA(instance)->dma_bounce_buffer = NULL;
-           HDATA(instance)->dma_bounce_len = 0;
-           return 1;
-       }
-
-       if (!dir_in) {
-               /* copy to bounce buffer for a write */
-               memcpy (HDATA(instance)->dma_bounce_buffer,
-                       cmd->SCp.ptr, cmd->SCp.this_residual);
+               HDATA(instance)->dma_bounce_len =
+                       (cmd->SCp.this_residual + 511) & ~0x1ff;
+               HDATA(instance)->dma_bounce_buffer =
+                       kmalloc(HDATA(instance)->dma_bounce_len, GFP_KERNEL);
+
+               /* can't allocate memory; use PIO */
+               if (!HDATA(instance)->dma_bounce_buffer) {
+                       HDATA(instance)->dma_bounce_len = 0;
+                       return 1;
+               }
+
+               /* get the physical address of the bounce buffer */
+               addr = virt_to_bus(HDATA(instance)->dma_bounce_buffer);
+
+               /* the bounce buffer may not be in the first 16M of physmem */
+               if (addr & A2091_XFER_MASK) {
+                       /* we could use chipmem... maybe later */
+                       kfree(HDATA(instance)->dma_bounce_buffer);
+                       HDATA(instance)->dma_bounce_buffer = NULL;
+                       HDATA(instance)->dma_bounce_len = 0;
+                       return 1;
+               }
+
+               if (!dir_in) {
+                       /* copy to bounce buffer for a write */
+                       memcpy(HDATA(instance)->dma_bounce_buffer,
+                              cmd->SCp.ptr, cmd->SCp.this_residual);
+               }
        }
-    }
 
-    /* setup dma direction */
-    if (!dir_in)
-       cntr |= CNTR_DDIR;
+       /* setup dma direction */
+       if (!dir_in)
+               cntr |= CNTR_DDIR;
 
-    /* remember direction */
-    HDATA(cmd->device->host)->dma_dir = dir_in;
+       /* remember direction */
+       HDATA(cmd->device->host)->dma_dir = dir_in;
 
-    DMA(cmd->device->host)->CNTR = cntr;
+       DMA(cmd->device->host)->CNTR = cntr;
 
-    /* setup DMA *physical* address */
-    DMA(cmd->device->host)->ACR = addr;
+       /* setup DMA *physical* address */
+       DMA(cmd->device->host)->ACR = addr;
 
-    if (dir_in){
-       /* invalidate any cache */
-       cache_clear (addr, cmd->SCp.this_residual);
-    }else{
-       /* push any dirty cache */
-       cache_push (addr, cmd->SCp.this_residual);
-      }
-    /* start DMA */
-    DMA(cmd->device->host)->ST_DMA = 1;
+       if (dir_in) {
+               /* invalidate any cache */
+               cache_clear(addr, cmd->SCp.this_residual);
+       } else {
+               /* push any dirty cache */
+               cache_push(addr, cmd->SCp.this_residual);
+       }
+       /* start DMA */
+       DMA(cmd->device->host)->ST_DMA = 1;
 
-    /* return success */
-    return 0;
+       /* return success */
+       return 0;
 }
 
 static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt,
-                     int status)
+                    int status)
 {
-    /* disable SCSI interrupts */
-    unsigned short cntr = CNTR_PDMD;
-
-    if (!HDATA(instance)->dma_dir)
-           cntr |= CNTR_DDIR;
-
-    /* disable SCSI interrupts */
-    DMA(instance)->CNTR = cntr;
-
-    /* flush if we were reading */
-    if (HDATA(instance)->dma_dir) {
-       DMA(instance)->FLUSH = 1;
-       while (!(DMA(instance)->ISTR & ISTR_FE_FLG))
-           ;
-    }
-
-    /* clear a possible interrupt */
-    DMA(instance)->CINT = 1;
-
-    /* stop DMA */
-    DMA(instance)->SP_DMA = 1;
-
-    /* restore the CONTROL bits (minus the direction flag) */
-    DMA(instance)->CNTR = CNTR_PDMD | CNTR_INTEN;
-
-    /* copy from a bounce buffer, if necessary */
-    if (status && HDATA(instance)->dma_bounce_buffer) {
-       if( HDATA(instance)->dma_dir )
-               memcpy (SCpnt->SCp.ptr, 
-                       HDATA(instance)->dma_bounce_buffer,
-                       SCpnt->SCp.this_residual);
-       kfree (HDATA(instance)->dma_bounce_buffer);
-       HDATA(instance)->dma_bounce_buffer = NULL;
-       HDATA(instance)->dma_bounce_len = 0;
-    }
+       /* disable SCSI interrupts */
+       unsigned short cntr = CNTR_PDMD;
+
+       if (!HDATA(instance)->dma_dir)
+               cntr |= CNTR_DDIR;
+
+       /* disable SCSI interrupts */
+       DMA(instance)->CNTR = cntr;
+
+       /* flush if we were reading */
+       if (HDATA(instance)->dma_dir) {
+               DMA(instance)->FLUSH = 1;
+               while (!(DMA(instance)->ISTR & ISTR_FE_FLG))
+                       ;
+       }
+
+       /* clear a possible interrupt */
+       DMA(instance)->CINT = 1;
+
+       /* stop DMA */
+       DMA(instance)->SP_DMA = 1;
+
+       /* restore the CONTROL bits (minus the direction flag) */
+       DMA(instance)->CNTR = CNTR_PDMD | CNTR_INTEN;
+
+       /* copy from a bounce buffer, if necessary */
+       if (status && HDATA(instance)->dma_bounce_buffer) {
+               if (HDATA(instance)->dma_dir)
+                       memcpy(SCpnt->SCp.ptr,
+                              HDATA(instance)->dma_bounce_buffer,
+                              SCpnt->SCp.this_residual);
+               kfree(HDATA(instance)->dma_bounce_buffer);
+               HDATA(instance)->dma_bounce_buffer = NULL;
+               HDATA(instance)->dma_bounce_len = 0;
+       }
 }
 
 static int __init a2091_detect(struct scsi_host_template *tpnt)
 {
-    static unsigned char called = 0;
-    struct Scsi_Host *instance;
-    unsigned long address;
-    struct zorro_dev *z = NULL;
-    wd33c93_regs regs;
-    int num_a2091 = 0;
-
-    if (!MACH_IS_AMIGA || called)
-       return 0;
-    called = 1;
-
-    tpnt->proc_name = "A2091";
-    tpnt->proc_info = &wd33c93_proc_info;
-
-    while ((z = zorro_find_device(ZORRO_WILDCARD, z))) {
-       if (z->id != ZORRO_PROD_CBM_A590_A2091_1 &&
-           z->id != ZORRO_PROD_CBM_A590_A2091_2)
-           continue;
-       address = z->resource.start;
-       if (!request_mem_region(address, 256, "wd33c93"))
-           continue;
-
-       instance = scsi_register (tpnt, sizeof (struct WD33C93_hostdata));
-       if (instance == NULL)
-           goto release;
-       instance->base = ZTWO_VADDR(address);
-       instance->irq = IRQ_AMIGA_PORTS;
-       instance->unique_id = z->slotaddr;
-       DMA(instance)->DAWR = DAWR_A2091;
-       regs.SASR = &(DMA(instance)->SASR);
-       regs.SCMD = &(DMA(instance)->SCMD);
-       HDATA(instance)->no_sync = 0xff;
-       HDATA(instance)->fast = 0;
-       HDATA(instance)->dma_mode = CTRL_DMA;
-       wd33c93_init(instance, regs, dma_setup, dma_stop, WD33C93_FS_8_10);
-       if (request_irq(IRQ_AMIGA_PORTS, a2091_intr, IRQF_SHARED, "A2091 SCSI",
-                       instance))
-           goto unregister;
-       DMA(instance)->CNTR = CNTR_PDMD | CNTR_INTEN;
-       num_a2091++;
-       continue;
+       static unsigned char called = 0;
+       struct Scsi_Host *instance;
+       unsigned long address;
+       struct zorro_dev *z = NULL;
+       wd33c93_regs regs;
+       int num_a2091 = 0;
+
+       if (!MACH_IS_AMIGA || called)
+               return 0;
+       called = 1;
+
+       tpnt->proc_name = "A2091";
+       tpnt->proc_info = &wd33c93_proc_info;
+
+       while ((z = zorro_find_device(ZORRO_WILDCARD, z))) {
+               if (z->id != ZORRO_PROD_CBM_A590_A2091_1 &&
+                   z->id != ZORRO_PROD_CBM_A590_A2091_2)
+                       continue;
+               address = z->resource.start;
+               if (!request_mem_region(address, 256, "wd33c93"))
+                       continue;
+
+               instance = scsi_register(tpnt, sizeof(struct WD33C93_hostdata));
+               if (instance == NULL)
+                       goto release;
+               instance->base = ZTWO_VADDR(address);
+               instance->irq = IRQ_AMIGA_PORTS;
+               instance->unique_id = z->slotaddr;
+               DMA(instance)->DAWR = DAWR_A2091;
+               regs.SASR = &(DMA(instance)->SASR);
+               regs.SCMD = &(DMA(instance)->SCMD);
+               HDATA(instance)->no_sync = 0xff;
+               HDATA(instance)->fast = 0;
+               HDATA(instance)->dma_mode = CTRL_DMA;
+               wd33c93_init(instance, regs, dma_setup, dma_stop,
+                            WD33C93_FS_8_10);
+               if (request_irq(IRQ_AMIGA_PORTS, a2091_intr, IRQF_SHARED,
+                               "A2091 SCSI", instance))
+                       goto unregister;
+               DMA(instance)->CNTR = CNTR_PDMD | CNTR_INTEN;
+               num_a2091++;
+               continue;
 
 unregister:
-       scsi_unregister(instance);
+               scsi_unregister(instance);
 release:
-       release_mem_region(address, 256);
-    }
+               release_mem_region(address, 256);
+       }
 
-    return num_a2091;
+       return num_a2091;
 }
 
 static int a2091_bus_reset(struct scsi_cmnd *cmd)
index 252528f..1c3daa1 100644 (file)
 #include <linux/types.h>
 
 #ifndef CMD_PER_LUN
-#define CMD_PER_LUN 2
+#define CMD_PER_LUN            2
 #endif
 
 #ifndef CAN_QUEUE
-#define CAN_QUEUE 16
+#define CAN_QUEUE              16
 #endif
 
 /*
  * if the transfer address ANDed with this results in a non-zero
  * result, then we can't use DMA.
  */
-#define A2091_XFER_MASK  (0xff000001)
+#define A2091_XFER_MASK                (0xff000001)
 
 typedef struct {
-             unsigned char      pad1[64];
-    volatile unsigned short     ISTR;
-    volatile unsigned short     CNTR;
-             unsigned char      pad2[60];
-    volatile unsigned int       WTC;
-    volatile unsigned long      ACR;
-             unsigned char      pad3[6];
-    volatile unsigned short     DAWR;
-             unsigned char      pad4;
-    volatile unsigned char      SASR;
-             unsigned char      pad5;
-    volatile unsigned char      SCMD;
-             unsigned char      pad6[76];
-    volatile unsigned short     ST_DMA;
-    volatile unsigned short     SP_DMA;
-    volatile unsigned short     CINT;
-             unsigned char      pad7[2];
-    volatile unsigned short     FLUSH;
+                unsigned char  pad1[64];
+       volatile unsigned short ISTR;
+       volatile unsigned short CNTR;
+                unsigned char  pad2[60];
+       volatile unsigned int   WTC;
+       volatile unsigned long  ACR;
+                unsigned char  pad3[6];
+       volatile unsigned short DAWR;
+                unsigned char  pad4;
+       volatile unsigned char  SASR;
+                unsigned char  pad5;
+       volatile unsigned char  SCMD;
+                unsigned char  pad6[76];
+       volatile unsigned short ST_DMA;
+       volatile unsigned short SP_DMA;
+       volatile unsigned short CINT;
+                unsigned char  pad7[2];
+       volatile unsigned short FLUSH;
 } a2091_scsiregs;
 
 #define DAWR_A2091             (3)