Merge branch 'akpm' (patches from Andrew)

[cascardo/linux.git] / drivers / scsi / atari_scsi.c

diff --git a/drivers/scsi/atari_scsi.c b/drivers/scsi/atari_scsi.c
index 1c6c4ca..78d1b29 100644 (file)
--- a/drivers/scsi/atari_scsi.c
+++ b/drivers/scsi/atari_scsi.c
@@ -66,7 +66,6 @@
 
 #include <linux/module.h>
 #include <linux/types.h>
-#include <linux/delay.h>
 #include <linux/blkdev.h>
 #include <linux/interrupt.h>
 #include <linux/init.h>
@@ -98,7 +97,6 @@
 
 #define NCR5380_queue_command           atari_scsi_queue_command
 #define NCR5380_abort                   atari_scsi_abort
-#define NCR5380_show_info               atari_scsi_show_info
 #define NCR5380_info                    atari_scsi_info
 
 #define NCR5380_dma_read_setup(instance, data, count) \
@@ -161,14 +159,10 @@ static inline unsigned long SCSI_DMA_GETADR(void)
        return adr;
 }
 
-#define HOSTDATA_DMALEN                (((struct NCR5380_hostdata *) \
-                               (atari_scsi_host->hostdata))->dma_len)
-
 #ifdef REAL_DMA
 static void atari_scsi_fetch_restbytes(void);
 #endif
 
-static struct Scsi_Host *atari_scsi_host;
 static unsigned char (*atari_scsi_reg_read)(unsigned char reg);
 static void (*atari_scsi_reg_write)(unsigned char reg, unsigned char value);
 
@@ -264,15 +258,17 @@ static void scsi_dma_buserr(int irq, void *dummy)
 #endif
 
 
-static irqreturn_t scsi_tt_intr(int irq, void *dummy)
+static irqreturn_t scsi_tt_intr(int irq, void *dev)
 {
 #ifdef REAL_DMA
+       struct Scsi_Host *instance = dev;
+       struct NCR5380_hostdata *hostdata = shost_priv(instance);
        int dma_stat;
 
        dma_stat = tt_scsi_dma.dma_ctrl;
 
-       dprintk(NDEBUG_INTR, "scsi%d: NCR5380 interrupt, DMA status = %02x\n",
-                  atari_scsi_host->host_no, dma_stat & 0xff);
+       dsprintk(NDEBUG_INTR, instance, "NCR5380 interrupt, DMA status = %02x\n",
+                dma_stat & 0xff);
 
        /* Look if it was the DMA that has interrupted: First possibility
         * is that a bus error occurred...
@@ -295,7 +291,8 @@ static irqreturn_t scsi_tt_intr(int irq, void *dummy)
         * data reg!
         */
        if ((dma_stat & 0x02) && !(dma_stat & 0x40)) {
-               atari_dma_residual = HOSTDATA_DMALEN - (SCSI_DMA_READ_P(dma_addr) - atari_dma_startaddr);
+               atari_dma_residual = hostdata->dma_len -
+                       (SCSI_DMA_READ_P(dma_addr) - atari_dma_startaddr);
 
                dprintk(NDEBUG_DMA, "SCSI DMA: There are %ld residual bytes.\n",
                           atari_dma_residual);
@@ -347,15 +344,17 @@ static irqreturn_t scsi_tt_intr(int irq, void *dummy)
 
 #endif /* REAL_DMA */
 
-       NCR5380_intr(irq, dummy);
+       NCR5380_intr(irq, dev);
 
        return IRQ_HANDLED;
 }
 
 
-static irqreturn_t scsi_falcon_intr(int irq, void *dummy)
+static irqreturn_t scsi_falcon_intr(int irq, void *dev)
 {
 #ifdef REAL_DMA
+       struct Scsi_Host *instance = dev;
+       struct NCR5380_hostdata *hostdata = shost_priv(instance);
        int dma_stat;
 
        /* Turn off DMA and select sector counter register before
@@ -390,7 +389,7 @@ static irqreturn_t scsi_falcon_intr(int irq, void *dummy)
                        printk(KERN_ERR "SCSI DMA error: %ld bytes lost in "
                               "ST-DMA fifo\n", transferred & 15);
 
-               atari_dma_residual = HOSTDATA_DMALEN - transferred;
+               atari_dma_residual = hostdata->dma_len - transferred;
                dprintk(NDEBUG_DMA, "SCSI DMA: There are %ld residual bytes.\n",
                           atari_dma_residual);
        } else
@@ -402,13 +401,14 @@ static irqreturn_t scsi_falcon_intr(int irq, void *dummy)
                 * data to the original destination address.
                 */
                memcpy(atari_dma_orig_addr, phys_to_virt(atari_dma_startaddr),
-                      HOSTDATA_DMALEN - atari_dma_residual);
+                      hostdata->dma_len - atari_dma_residual);
                atari_dma_orig_addr = NULL;
        }
 
 #endif /* REAL_DMA */
 
-       NCR5380_intr(irq, dummy);
+       NCR5380_intr(irq, dev);
+
        return IRQ_HANDLED;
 }
 
@@ -775,14 +775,14 @@ static int atari_scsi_bus_reset(struct scsi_cmnd *cmd)
 static struct scsi_host_template atari_scsi_template = {
        .module                 = THIS_MODULE,
        .proc_name              = DRV_MODULE_NAME,
-       .show_info              = atari_scsi_show_info,
        .name                   = "Atari native SCSI",
        .info                   = atari_scsi_info,
        .queuecommand           = atari_scsi_queue_command,
        .eh_abort_handler       = atari_scsi_abort,
        .eh_bus_reset_handler   = atari_scsi_bus_reset,
        .this_id                = 7,
-       .use_clustering         = DISABLE_CLUSTERING
+       .use_clustering         = DISABLE_CLUSTERING,
+       .cmd_size               = NCR5380_CMD_SIZE,
 };
 
 static int __init atari_scsi_probe(struct platform_device *pdev)
@@ -875,7 +875,6 @@ static int __init atari_scsi_probe(struct platform_device *pdev)
                error = -ENOMEM;
                goto fail_alloc;
        }
-       atari_scsi_host = instance;
 
        instance->irq = irq->start;