Re: [RFC] [PATCH 2/9] drivers/scsi/gdth.c Removal of old scsi code
From: Michal Piotrowski
Date: Sat Aug 12 2006 - 16:59:21 EST
Signed-off-by: Michal Piotrowski <michal.k.k.piotrowski@xxxxxxxxx>
diff -uprN -X linux-work/Documentation/dontdiff linux-work-clean/drivers/scsi/gdth.c linux-work/drivers/scsi/gdth.c
--- linux-work-clean/drivers/scsi/gdth.c 2006-08-12 01:51:16.000000000 +0200
+++ linux-work/drivers/scsi/gdth.c 2006-08-12 20:54:01.000000000 +0200
@@ -393,12 +393,7 @@
#include <linux/proc_fs.h>
#include <linux/time.h>
#include <linux/timer.h>
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,6)
#include <linux/dma-mapping.h>
-#else
-#define DMA_32BIT_MASK 0x00000000ffffffffULL
-#define DMA_64BIT_MASK 0xffffffffffffffffULL
-#endif
#ifdef GDTH_RTC
#include <linux/mc146818rtc.h>
@@ -410,12 +405,7 @@
#include <asm/io.h>
#include <asm/uaccess.h>
#include <linux/spinlock.h>
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
#include <linux/blkdev.h>
-#else
-#include <linux/blk.h>
-#include "sd.h"
-#endif
#include "scsi.h"
#include <scsi/scsi_host.h>
@@ -711,7 +701,6 @@ static void gdth_delay(int milliseconds)
}
}
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
static void gdth_scsi_done(struct scsi_cmnd *scp)
{
TRACE2(("gdth_scsi_done()\n"));
@@ -749,42 +738,6 @@ int __gdth_execute(struct scsi_device *s
kfree(scp);
return rval;
}
-#else
-static void gdth_scsi_done(Scsi_Cmnd *scp)
-{
- TRACE2(("gdth_scsi_done()\n"));
-
- scp->request.rq_status = RQ_SCSI_DONE;
- if (scp->request.waiting)
- complete(scp->request.waiting);
-}
-
-int __gdth_execute(struct scsi_device *sdev, gdth_cmd_str *gdtcmd, char *cmnd,
- int timeout, u32 *info)
-{
- Scsi_Cmnd *scp = scsi_allocate_device(sdev, 1, FALSE);
- unsigned bufflen = gdtcmd ? sizeof(gdth_cmd_str) : 0;
- DECLARE_COMPLETION(wait);
- int rval;
-
- if (!scp)
- return -ENOMEM;
- scp->cmd_len = 12;
- scp->use_sg = 0;
- scp->SCp.this_residual = IOCTL_PRI; /* priority */
- scp->request.rq_status = RQ_SCSI_BUSY;
- scp->request.waiting = &wait;
- scsi_do_cmd(scp, cmnd, gdtcmd, bufflen, gdth_scsi_done, timeout*HZ, 1);
- wait_for_completion(&wait);
-
- rval = scp->SCp.Status;
- if (info)
- *info = scp->SCp.Message;
-
- scsi_release_command(scp);
- return rval;
-}
-#endif
int gdth_execute(struct Scsi_Host *shost, gdth_cmd_str *gdtcmd, char *cmnd,
int timeout, u32 *info)
@@ -2249,29 +2202,17 @@ static int __init gdth_search_drives(int
printk("GDT-HA %d: Vendor: %s Name: %s\n",
hanum,oemstr->text.oem_company_name,ha->binfo.type_string);
/* Save the Host Drive inquiry data */
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
strlcpy(ha->oem_name,oemstr->text.scsi_host_drive_inquiry_vendor_id,
sizeof(ha->oem_name));
-#else
- strncpy(ha->oem_name,oemstr->text.scsi_host_drive_inquiry_vendor_id,7);
- ha->oem_name[7] = '\0';
-#endif
} else {
/* Old method, based on PCI ID */
TRACE2(("gdth_search_drives(): CACHE_READ_OEM_STRING_RECORD failed\n"));
printk("GDT-HA %d: Name: %s\n",
hanum,ha->binfo.type_string);
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
if (ha->oem_id == OEM_ID_INTEL)
strlcpy(ha->oem_name,"Intel ", sizeof(ha->oem_name));
else
strlcpy(ha->oem_name,"ICP ", sizeof(ha->oem_name));
-#else
- if (ha->oem_id == OEM_ID_INTEL)
- strcpy(ha->oem_name,"Intel ");
- else
- strcpy(ha->oem_name,"ICP ");
-#endif
}
/* scanning for host drives */
@@ -2680,17 +2621,10 @@ static void gdth_copy_internal_data(int
return;
}
local_irq_save(flags);
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
address = kmap_atomic(sl->page, KM_BIO_SRC_IRQ) + sl->offset;
memcpy(address,buffer,cpnow);
flush_dcache_page(sl->page);
kunmap_atomic(address, KM_BIO_SRC_IRQ);
-#else
- address = kmap_atomic(sl->page, KM_BH_IRQ) + sl->offset;
- memcpy(address,buffer,cpnow);
- flush_dcache_page(sl->page);
- kunmap_atomic(address, KM_BH_IRQ);
-#endif
local_irq_restore(flags);
if (cpsum == cpcount)
break;
@@ -4281,11 +4215,7 @@ int __init option_setup(char *str)
return 1;
}
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
static int __init gdth_detect(struct scsi_host_template *shtp)
-#else
-static int __init gdth_detect(Scsi_Host_Template *shtp)
-#endif
{
struct Scsi_Host *shp;
gdth_pci_str pcistr[MAXHA];
@@ -4425,10 +4355,6 @@ static int __init gdth_detect(Scsi_Host_
hdr_channel = ha->bus_cnt;
ha->virt_bus = hdr_channel;
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,20) && \
- LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
- shp->highmem_io = 0;
-#endif
if (ha->cache_feat & ha->raw_feat & ha->screen_feat & GDT_64BIT)
shp->max_cmd_len = 16;
@@ -4549,10 +4475,6 @@ static int __init gdth_detect(Scsi_Host_
hdr_channel = ha->bus_cnt;
ha->virt_bus = hdr_channel;
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,20) && \
- LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
- shp->highmem_io = 0;
-#endif
if (ha->cache_feat & ha->raw_feat & ha->screen_feat & GDT_64BIT)
shp->max_cmd_len = 16;
@@ -4652,10 +4574,6 @@ static int __init gdth_detect(Scsi_Host_
hdr_channel = ha->bus_cnt;
ha->virt_bus = hdr_channel;
-
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
- scsi_set_pci_device(shp, pcistr[ctr].pdev);
-#endif
if (!(ha->cache_feat & ha->raw_feat & ha->screen_feat &GDT_64BIT)||
/* 64-bit DMA only supported from FW >= x.43 */
(!ha->dma64_support)) {
@@ -4887,11 +4805,7 @@ static int gdth_eh_bus_reset(Scsi_Cmnd *
return SUCCESS;
}
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
static int gdth_bios_param(struct scsi_device *sdev,struct block_device *bdev,sector_t cap,int *ip)
-#else
-static int gdth_bios_param(Disk *disk,kdev_t dev,int *ip)
-#endif
{
unchar b, t;
int hanum;
@@ -4899,13 +4813,8 @@ static int gdth_bios_param(Disk *disk,kd
struct scsi_device *sd;
unsigned capacity;
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
sd = sdev;
capacity = cap;
-#else
- sd = disk->device;
- capacity = disk->capacity;
-#endif
hanum = NUMDATA(sd->host)->hanum;
b = virt_ctr ? NUMDATA(sd->host)->busnum : sd->channel;
t = sd->id;
@@ -5520,7 +5429,6 @@ static int gdth_ioctl(struct inode *inod
hanum = res.ionode;
ha = HADATA(gdth_ctr_tab[hanum]);
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
scp = kmalloc(sizeof(*scp), GFP_KERNEL);
if (!scp)
return -ENOMEM;
@@ -5532,17 +5440,7 @@ static int gdth_ioctl(struct inode *inod
rval = gdth_eh_bus_reset(scp);
res.status = (rval == SUCCESS ? S_OK : S_GENERR);
kfree(scp);
-#else
- scp = scsi_allocate_device(ha->sdev, 1, FALSE);
- if (!scp)
- return -ENOMEM;
- scp->cmd_len = 12;
- scp->use_sg = 0;
- scp->channel = virt_ctr ? 0 : res.number;
- rval = gdth_eh_bus_reset(scp);
- res.status = (rval == SUCCESS ? S_OK : S_GENERR);
- scsi_release_command(scp);
-#endif
+
if (copy_to_user(argp, &res, sizeof(gdth_ioctl_reset)))
return -EFAULT;
break;
@@ -5630,7 +5528,6 @@ static int gdth_halt(struct notifier_blo
return NOTIFY_OK;
}
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
/* configure lun */
static int gdth_slave_configure(struct scsi_device *sdev)
{
@@ -5639,13 +5536,8 @@ static int gdth_slave_configure(struct s
sdev->skip_ms_page_8 = 1;
return 0;
}
-#endif
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
static struct scsi_host_template driver_template = {
-#else
-static Scsi_Host_Template driver_template = {
-#endif
.proc_name = "gdth",
.proc_info = gdth_proc_info,
.name = "GDT SCSI Disk Array Controller",
@@ -5656,20 +5548,12 @@ static Scsi_Host_Template driver_templat
.eh_bus_reset_handler = gdth_eh_bus_reset,
.bios_param = gdth_bios_param,
.can_queue = GDTH_MAXCMDS,
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
.slave_configure = gdth_slave_configure,
-#endif
.this_id = -1,
.sg_tablesize = GDTH_MAXSG,
.cmd_per_lun = GDTH_MAXC_P_L,
.unchecked_isa_dma = 1,
.use_clustering = ENABLE_CLUSTERING,
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
- .use_new_eh_code = 1,
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,20)
- .highmem_io = 1,
-#endif
-#endif
};
#include "scsi_module.c"
-
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