Restructure the 53c700-based drivers so that:
- They call scsi_host_alloc themselves rather than leaving it to
NCR_700_detect.
- NCR_700_detect now returns an int error rather than NULL, allowing
drivers to do better error handling
- hostdata is now allocated with the Scsi_Host rather than separately.
Fixes a bug on 64-bit systems.
- hostdata now accessed through shost_priv()
- They handle calling scsi_host_put themselves at the appropriate time
to avoid leaking Scsi_Hosts
- Use of host->irq is avoided where possible
Signed-off-by: Matthew Wilcox <[EMAIL PROTECTED]>
diff --git a/drivers/scsi/53c700.c b/drivers/scsi/53c700.c
index 71ff3fb..19431de 100644
--- a/drivers/scsi/53c700.c
+++ b/drivers/scsi/53c700.c
@@ -275,33 +275,31 @@ NCR_700_offset_period_to_sxfer(struct
NCR_700_Host_Parameters *hostdata,
static inline __u8
NCR_700_get_SXFER(struct scsi_device *SDp)
{
- struct NCR_700_Host_Parameters *hostdata =
- (struct NCR_700_Host_Parameters *)SDp->host->hostdata[0];
+ struct NCR_700_Host_Parameters *hostdata = shost_priv(SDp->host);
return NCR_700_offset_period_to_sxfer(hostdata,
spi_offset(SDp->sdev_target),
spi_period(SDp->sdev_target));
}
-struct Scsi_Host *
-NCR_700_detect(struct scsi_host_template *tpnt,
- struct NCR_700_Host_Parameters *hostdata, struct device *dev)
+int NCR_700_detect(struct Scsi_Host *host, struct device *dev)
{
dma_addr_t pScript, pSlots;
__u8 *memory;
__u32 *script;
- struct Scsi_Host *host;
+ struct NCR_700_Host_Parameters *hostdata = shost_priv(host);
+ struct scsi_host_template *tpnt = host->hostt;
static int banner = 0;
- int j;
+ int j, error;
- if(tpnt->sdev_attrs == NULL)
+ if (!tpnt->sdev_attrs)
tpnt->sdev_attrs = NCR_700_dev_attrs;
memory = dma_alloc_noncoherent(hostdata->dev, TOTAL_MEM_SIZE,
&pScript, GFP_KERNEL);
- if(memory == NULL) {
- printk(KERN_ERR "53c700: Failed to allocate memory for driver,
detatching\n");
- return NULL;
+ if (!memory) {
+ printk(KERN_ERR "53c700: Failed to allocate memory for driver,
detaching\n");
+ return -ENOMEM;;
}
script = (__u32 *)memory;
@@ -336,9 +334,6 @@ NCR_700_detect(struct scsi_host_template *tpnt,
if(tpnt->proc_name == NULL)
tpnt->proc_name = "53c700";
- host = scsi_host_alloc(tpnt, 4);
- if (!host)
- return NULL;
memset(hostdata->slots, 0, sizeof(struct NCR_700_command_slot)
* NCR_700_COMMAND_SLOTS_PER_HOST);
for (j = 0; j < NCR_700_COMMAND_SLOTS_PER_HOST; j++) {
@@ -397,23 +392,22 @@ NCR_700_detect(struct scsi_host_template *tpnt,
/* reset the chip */
NCR_700_chip_reset(host);
- if (scsi_add_host(host, dev)) {
+ error = scsi_add_host(host, dev);
+ if (error) {
dev_printk(KERN_ERR, dev, "53c700: scsi_add_host failed\n");
- scsi_host_put(host);
- return NULL;
+ return error;
}
spi_signalling(host) = hostdata->differential ? SPI_SIGNAL_HVD :
SPI_SIGNAL_SE;
- return host;
+ return 0;
}
int
NCR_700_release(struct Scsi_Host *host)
{
- struct NCR_700_Host_Parameters *hostdata =
- (struct NCR_700_Host_Parameters *)host->hostdata[0];
+ struct NCR_700_Host_Parameters *hostdata = shost_priv(host);
dma_free_noncoherent(hostdata->dev, TOTAL_MEM_SIZE,
hostdata->script, hostdata->pScript);
@@ -440,8 +434,7 @@ NCR_700_identify(int can_disconnect, __u8 lun)
* Inputs : host - SCSI host */
static inline int
NCR_700_data_residual (struct Scsi_Host *host) {
- struct NCR_700_Host_Parameters *hostdata =
- (struct NCR_700_Host_Parameters *)host->hostdata[0];
+ struct NCR_700_Host_Parameters *hostdata = shost_priv(host);
int count, synchronous = 0;
unsigned int ddir;
@@ -649,8 +642,7 @@ NCR_700_internal_bus_reset(struct Scsi_Host *host)
STATIC void
NCR_700_chip_setup(struct Scsi_Host *host)
{
- struct NCR_700_Host_Parameters *hostdata =
- (struct NCR_700_Host_Parameters *)host->hostdata[0];
+ struct NCR_700_Host_Parameters *hostdata = shost_priv(host);
__u8 min_period;
__u8 min_xferp = (hostdata->chip710 ? NCR_710_MIN_XFERP :
NCR_700_MIN_XFERP);
@@ -759,8 +751,7 @@ NCR_700_chip_setup(struct Scsi_Host *host)
STATIC void
NCR_700_chip_reset(struct Scsi_Host *host)
{
- struct NCR_700_Host_Parameters *hostdata =
- (struct NCR_700_Host_Parameters *)host->hostdata[0];
+ struct NCR_700_Host_Parameters *hostdata = shost_priv(host);
if(hostdata->chip710) {
NCR_700_writeb(SOFTWARE_RESET_710, host, ISTAT_REG);
udelay(100);
@@ -1286,8 +1277,7 @@ process_selection(struct Scsi_Host *host, __u32 dsp)
__u8 id = 0; /* Squash compiler warning */
int count = 0;
__u32 resume_offset = 0;
- struct NCR_700_Host_Parameters *hostdata =
- (struct NCR_700_Host_Parameters *)host->hostdata[0];
+ struct NCR_700_Host_Parameters *hostdata = shost_priv(host);
struct scsi_cmnd *SCp = hostdata->cmd;
__u8 sbcl;
@@ -1363,8 +1353,7 @@ process_selection(struct Scsi_Host *host, __u32 dsp)
static inline void
NCR_700_clear_fifo(struct Scsi_Host *host) {
- const struct NCR_700_Host_Parameters *hostdata
- = (struct NCR_700_Host_Parameters *)host->hostdata[0];
+ const struct NCR_700_Host_Parameters *hostdata = shost_priv(host);
if(hostdata->chip710) {
NCR_700_writeb(CLR_FIFO_710, host, CTEST8_REG);
} else {
@@ -1374,8 +1363,7 @@ NCR_700_clear_fifo(struct Scsi_Host *host) {
static inline void
NCR_700_flush_fifo(struct Scsi_Host *host) {
- const struct NCR_700_Host_Parameters *hostdata
- = (struct NCR_700_Host_Parameters *)host->hostdata[0];
+ const struct NCR_700_Host_Parameters *hostdata = shost_priv(host);
if(hostdata->chip710) {
NCR_700_writeb(FLUSH_DMA_FIFO_710, host, CTEST8_REG);
udelay(10);
@@ -1396,7 +1384,7 @@ NCR_700_start_command(struct scsi_cmnd *SCp)
struct NCR_700_command_slot *slot =
(struct NCR_700_command_slot *)SCp->host_scribble;
struct NCR_700_Host_Parameters *hostdata =
- (struct NCR_700_Host_Parameters
*)SCp->device->host->hostdata[0];
+ shost_priv(SCp->device->host);
__u16 count = 1; /* for IDENTIFY message */
if(hostdata->state != NCR_700_HOST_FREE) {
@@ -1482,8 +1470,7 @@ irqreturn_t
NCR_700_intr(int irq, void *dev_id)
{
struct Scsi_Host *host = (struct Scsi_Host *)dev_id;
- struct NCR_700_Host_Parameters *hostdata =
- (struct NCR_700_Host_Parameters *)host->hostdata[0];
+ struct NCR_700_Host_Parameters *hostdata = shost_priv(host);
__u8 istat;
__u32 resume_offset = 0;
__u8 pun = 0xff, lun = 0xff;
@@ -1753,8 +1740,8 @@ NCR_700_intr(int irq, void *dev_id)
STATIC int
NCR_700_queuecommand(struct scsi_cmnd *SCp, void (*done)(struct scsi_cmnd *))
{
- struct NCR_700_Host_Parameters *hostdata =
- (struct NCR_700_Host_Parameters
*)SCp->device->host->hostdata[0];
+ struct NCR_700_Host_Parameters *hostdata =
+ shost_priv(SCp->device->host);
__u32 move_ins;
enum dma_data_direction direction;
struct NCR_700_command_slot *slot;
@@ -1941,8 +1928,8 @@ STATIC int
NCR_700_bus_reset(struct scsi_cmnd * SCp)
{
DECLARE_COMPLETION_ONSTACK(complete);
- struct NCR_700_Host_Parameters *hostdata =
- (struct NCR_700_Host_Parameters
*)SCp->device->host->hostdata[0];
+ struct NCR_700_Host_Parameters *hostdata =
+ shost_priv(SCp->device->host);
scmd_printk(KERN_INFO, SCp,
"New error handler wants BUS reset, cmd %p\n\t", SCp);
@@ -1994,9 +1981,8 @@ STATIC void
NCR_700_set_period(struct scsi_target *STp, int period)
{
struct Scsi_Host *SHp = dev_to_shost(STp->dev.parent);
- struct NCR_700_Host_Parameters *hostdata =
- (struct NCR_700_Host_Parameters *)SHp->hostdata[0];
-
+ struct NCR_700_Host_Parameters *hostdata = shost_priv(SHp);
+
if(!hostdata->fast)
return;
@@ -2013,8 +1999,7 @@ STATIC void
NCR_700_set_offset(struct scsi_target *STp, int offset)
{
struct Scsi_Host *SHp = dev_to_shost(STp->dev.parent);
- struct NCR_700_Host_Parameters *hostdata =
- (struct NCR_700_Host_Parameters *)SHp->hostdata[0];
+ struct NCR_700_Host_Parameters *hostdata = shost_priv(SHp);
int max_offset = hostdata->chip710
? NCR_710_MAX_OFFSET : NCR_700_MAX_OFFSET;
@@ -2050,8 +2035,7 @@ NCR_700_slave_alloc(struct scsi_device *SDp)
STATIC int
NCR_700_slave_configure(struct scsi_device *SDp)
{
- struct NCR_700_Host_Parameters *hostdata =
- (struct NCR_700_Host_Parameters *)SDp->host->hostdata[0];
+ struct NCR_700_Host_Parameters *hostdata = shost_priv(SDp->host);
/* to do here: allocate memory; build a queue_full list */
if(SDp->tagged_supported) {
@@ -2094,8 +2078,7 @@ static int NCR_700_change_queue_type(struct scsi_device
*SDp, int tag_type)
{
int change_tag = ((tag_type ==0 && scsi_get_tag_type(SDp) != 0)
|| (tag_type != 0 && scsi_get_tag_type(SDp) == 0));
- struct NCR_700_Host_Parameters *hostdata =
- (struct NCR_700_Host_Parameters *)SDp->host->hostdata[0];
+ struct NCR_700_Host_Parameters *hostdata = shost_priv(SDp->host);
scsi_set_tag_type(SDp, tag_type);
diff --git a/drivers/scsi/53c700.h b/drivers/scsi/53c700.h
index e06bdfe..e2372e4 100644
--- a/drivers/scsi/53c700.h
+++ b/drivers/scsi/53c700.h
@@ -54,8 +54,7 @@
struct NCR_700_Host_Parameters;
/* These are the externally used routines */
-struct Scsi_Host *NCR_700_detect(struct scsi_host_template *,
- struct NCR_700_Host_Parameters *, struct device *);
+int NCR_700_detect(struct Scsi_Host *host, struct device *);
int NCR_700_release(struct Scsi_Host *host);
irqreturn_t NCR_700_intr(int, void *);
diff --git a/drivers/scsi/NCR_D700.c b/drivers/scsi/NCR_D700.c
index 3a80897..e432350 100644
--- a/drivers/scsi/NCR_D700.c
+++ b/drivers/scsi/NCR_D700.c
@@ -181,12 +181,13 @@ NCR_D700_probe_one(struct NCR_D700_private *p, int siop,
int irq,
struct Scsi_Host *host;
int ret;
- hostdata = kzalloc(sizeof(*hostdata), GFP_KERNEL);
- if (!hostdata) {
- printk(KERN_ERR "NCR D700: SIOP%d: Failed to allocate host"
- "data, detatching\n", siop);
+ host = scsi_host_alloc(&NCR_D700_driver_template, sizeof(*hostdata));
+ if (!host) {
+ printk(KERN_ERR "NCR D700: SIOP%d: Failed to allocate host, "
+ "detaching\n", siop);
return -ENOMEM;
}
+ hostdata = shost_priv(host);
if (!request_region(region, 64, "NCR_D700")) {
printk(KERN_ERR "NCR D700: Failed to reserve IO region 0x%x\n",
@@ -195,18 +196,16 @@ NCR_D700_probe_one(struct NCR_D700_private *p, int siop,
int irq,
goto region_failed;
}
- /* Fill in the three required pieces of hostdata */
+ /* Fill in the required pieces of hostdata */
hostdata->base = ioport_map(region, 64);
hostdata->differential = (((1<<siop) & differential) != 0);
hostdata->clock = NCR_D700_CLOCK_MHZ;
hostdata->burst_length = 8;
/* and register the siop */
- host = NCR_700_detect(&NCR_D700_driver_template, hostdata, p->dev);
- if (!host) {
- ret = -ENOMEM;
+ ret = NCR_700_detect(host, p->dev);
+ if (ret)
goto detect_failed;
- }
p->hosts[siop] = host;
/* FIXME: read this from SUS */
@@ -220,7 +219,7 @@ NCR_D700_probe_one(struct NCR_D700_private *p, int siop,
int irq,
detect_failed:
release_region(region, 64);
region_failed:
- kfree(hostdata);
+ scsi_host_put(host);
return ret;
}
@@ -354,9 +353,9 @@ NCR_D700_remove_one(struct Scsi_Host *host)
{
scsi_remove_host(host);
NCR_700_release(host);
- kfree((struct NCR_700_Host_Parameters *)host->hostdata[0]);
free_irq(host->irq, host);
release_region(host->base, 64);
+ scsi_host_put(host);
}
static int __devexit
diff --git a/drivers/scsi/a4000t.c b/drivers/scsi/a4000t.c
index 0c758d1..abf96b8 100644
--- a/drivers/scsi/a4000t.c
+++ b/drivers/scsi/a4000t.c
@@ -37,22 +37,24 @@ static struct platform_device *a4000t_scsi_device;
static int __devinit a4000t_probe(struct device *dev)
{
- struct Scsi_Host * host = NULL;
+ struct Scsi_Host *host;
struct NCR_700_Host_Parameters *hostdata;
+ int err = -ENODEV;
if (!(MACH_IS_AMIGA && AMIGAHW_PRESENT(A4000_SCSI)))
goto out;
+ err = -EBUSY;
if (!request_mem_region(A4000T_SCSI_ADDR, 0x1000,
"A4000T builtin SCSI"))
goto out;
- hostdata = kmalloc(sizeof(struct NCR_700_Host_Parameters), GFP_KERNEL);
- if (hostdata == NULL) {
- printk(KERN_ERR "a4000t-scsi: Failed to allocate host data\n");
+ err = -ENOMEM;
+ host = scsi_host_alloc(&a4000t_scsi_driver_template, sizeof(*hostdata));
+ if (!host)
goto out_release;
- }
- memset(hostdata, 0, sizeof(struct NCR_700_Host_Parameters));
+
+ hostdata = shost_priv(host);
/* Fill in the required pieces of hostdata */
hostdata->base = (void __iomem *)ZTWO_VADDR(A4000T_SCSI_ADDR);
@@ -62,19 +64,19 @@ static int __devinit a4000t_probe(struct device *dev)
hostdata->dcntl_extra = EA_710;
/* and register the chip */
- host = NCR_700_detect(&a4000t_scsi_driver_template, hostdata, dev);
- if (!host) {
+ err = NCR_700_detect(host, dev);
+ if (err) {
printk(KERN_ERR "a4000t-scsi: No host detected; "
"board configuration problem?\n");
- goto out_free;
+ goto out_put_host;
}
host->this_id = 7;
host->base = A4000T_SCSI_ADDR;
- host->irq = IRQ_AMIGA_PORTS;
- if (request_irq(host->irq, NCR_700_intr, IRQF_SHARED, "a4000t-scsi",
- host)) {
+ err = request_irq(IRQ_AMIGA_PORTS, NCR_700_intr, IRQF_SHARED,
+ "a4000t-scsi", host);
+ if (err) {
printk(KERN_ERR "a4000t-scsi: request_irq failed\n");
goto out_put_host;
}
@@ -86,25 +88,21 @@ static int __devinit a4000t_probe(struct device *dev)
out_put_host:
scsi_host_put(host);
- out_free:
- kfree(hostdata);
out_release:
release_mem_region(A4000T_SCSI_ADDR, 0x1000);
out:
- return -ENODEV;
+ return err;
}
static __devexit int a4000t_device_remove(struct device *dev)
{
struct Scsi_Host *host = dev_get_drvdata(dev);
- struct NCR_700_Host_Parameters *hostdata = shost_priv(host);
scsi_remove_host(host);
-
NCR_700_release(host);
- kfree(hostdata);
- free_irq(host->irq, host);
+ free_irq(IRQ_AMIGA_PORTS, host);
release_mem_region(A4000T_SCSI_ADDR, 0x1000);
+ scsi_host_put(host);
return 0;
}
diff --git a/drivers/scsi/bvme6000_scsi.c b/drivers/scsi/bvme6000_scsi.c
index cac3540..3e46a1a 100644
--- a/drivers/scsi/bvme6000_scsi.c
+++ b/drivers/scsi/bvme6000_scsi.c
@@ -36,19 +36,19 @@ static struct platform_device *bvme6000_scsi_device;
static __devinit int
bvme6000_probe(struct device *dev)
{
- struct Scsi_Host * host = NULL;
+ struct Scsi_Host *host;
struct NCR_700_Host_Parameters *hostdata;
if (!MACH_IS_BVME6000)
goto out;
- hostdata = kmalloc(sizeof(struct NCR_700_Host_Parameters), GFP_KERNEL);
- if (hostdata == NULL) {
- printk(KERN_ERR "bvme6000-scsi: "
- "Failed to allocate host data\n");
+ host = scsi_host_alloc(&bvme6000_scsi_driver_template,
+ sizeof(*hostdata));
+ if (!host) {
+ printk(KERN_ERR "bvme6000-scsi: Failed to allocate host\n");
goto out;
}
- memset(hostdata, 0, sizeof(struct NCR_700_Host_Parameters));
+ hostdata = shost_priv(host);
/* Fill in the required pieces of hostdata */
hostdata->base = (void __iomem *)BVME_NCR53C710_BASE;
@@ -59,15 +59,13 @@ bvme6000_probe(struct device *dev)
hostdata->ctest7_extra = CTEST7_TT1;
/* and register the chip */
- host = NCR_700_detect(&bvme6000_scsi_driver_template, hostdata, dev);
- if (!host) {
+ if (NCR_700_detect(host, dev)) {
printk(KERN_ERR "bvme6000-scsi: No host detected; "
"board configuration problem?\n");
- goto out_free;
+ goto out_put_host;
}
host->base = BVME_NCR53C710_BASE;
host->this_id = 7;
- host->irq = BVME_IRQ_SCSI;
if (request_irq(BVME_IRQ_SCSI, NCR_700_intr, 0, "bvme6000-scsi",
host)) {
printk(KERN_ERR "bvme6000-scsi: request_irq failed\n");
@@ -81,8 +79,6 @@ bvme6000_probe(struct device *dev)
out_put_host:
scsi_host_put(host);
- out_free:
- kfree(hostdata);
out:
return -ENODEV;
}
@@ -91,12 +87,11 @@ static __devexit int
bvme6000_device_remove(struct device *dev)
{
struct Scsi_Host *host = dev_get_drvdata(dev);
- struct NCR_700_Host_Parameters *hostdata = shost_priv(host);
scsi_remove_host(host);
NCR_700_release(host);
- kfree(hostdata);
- free_irq(host->irq, host);
+ free_irq(BVME_IRQ_SCSI, host);
+ scsi_host_put(host);
return 0;
}
diff --git a/drivers/scsi/lasi700.c b/drivers/scsi/lasi700.c
index 3126824..cbd45eb 100644
--- a/drivers/scsi/lasi700.c
+++ b/drivers/scsi/lasi700.c
@@ -101,12 +101,13 @@ lasi700_probe(struct parisc_device *dev)
struct NCR_700_Host_Parameters *hostdata;
struct Scsi_Host *host;
- hostdata = kzalloc(sizeof(*hostdata), GFP_KERNEL);
- if (!hostdata) {
- printk(KERN_ERR "%s: Failed to allocate host data\n",
+ host = scsi_host_alloc(&lasi700_template, sizeof(*hostdata));
+ if (!host) {
+ printk(KERN_ERR "%s: Failed to allocate host\n",
dev->dev.bus_id);
return -ENOMEM;
}
+ hostdata = shost_priv(host);
hostdata->dev = &dev->dev;
dma_set_mask(&dev->dev, DMA_32BIT_MASK);
@@ -124,12 +125,10 @@ lasi700_probe(struct parisc_device *dev)
hostdata->burst_length = 8;
}
- host = NCR_700_detect(&lasi700_template, hostdata, &dev->dev);
- if (!host)
- goto out_kfree;
+ if (NCR_700_detect(host, &dev->dev))
+ goto out_put_host;
host->this_id = 7;
host->base = base;
- host->irq = dev->irq;
if(request_irq(dev->irq, NCR_700_intr, IRQF_SHARED, "lasi700", host)) {
printk(KERN_ERR "lasi700: request_irq failed!\n");
goto out_put_host;
@@ -141,10 +140,8 @@ lasi700_probe(struct parisc_device *dev)
return 0;
out_put_host:
- scsi_host_put(host);
- out_kfree:
iounmap(hostdata->base);
- kfree(hostdata);
+ scsi_host_put(host);
return -ENODEV;
}
@@ -152,14 +149,13 @@ static int __exit
lasi700_driver_remove(struct parisc_device *dev)
{
struct Scsi_Host *host = dev_get_drvdata(&dev->dev);
- struct NCR_700_Host_Parameters *hostdata =
- (struct NCR_700_Host_Parameters *)host->hostdata[0];
+ struct NCR_700_Host_Parameters *hostdata = shost_priv(host);
scsi_remove_host(host);
NCR_700_release(host);
- free_irq(host->irq, host);
+ free_irq(dev->irq, host);
iounmap(hostdata->base);
- kfree(hostdata);
+ scsi_host_put(host);
return 0;
}
diff --git a/drivers/scsi/mvme16x_scsi.c b/drivers/scsi/mvme16x_scsi.c
index 1bdddad..a62c222 100644
--- a/drivers/scsi/mvme16x_scsi.c
+++ b/drivers/scsi/mvme16x_scsi.c
@@ -36,7 +36,7 @@ static struct platform_device *mvme16x_scsi_device;
static __devinit int
mvme16x_probe(struct device *dev)
{
- struct Scsi_Host * host = NULL;
+ struct Scsi_Host *host;
struct NCR_700_Host_Parameters *hostdata;
if (!MACH_IS_MVME16x)
@@ -48,13 +48,13 @@ mvme16x_probe(struct device *dev)
goto out;
}
- hostdata = kmalloc(sizeof(struct NCR_700_Host_Parameters), GFP_KERNEL);
- if (hostdata == NULL) {
- printk(KERN_ERR "mvme16x-scsi: "
- "Failed to allocate host data\n");
+ host = scsi_host_alloc(&mvme16x_scsi_driver_template,
+ sizeof(*hostdata));
+ if (!host) {
+ printk(KERN_ERR "mvme16x-scsi: Failed to allocate host\n");
goto out;
}
- memset(hostdata, 0, sizeof(struct NCR_700_Host_Parameters));
+ hostdata = shost_priv(host);
/* Fill in the required pieces of hostdata */
hostdata->base = (void __iomem *)0xfff47000UL;
@@ -65,16 +65,15 @@ mvme16x_probe(struct device *dev)
hostdata->ctest7_extra = CTEST7_TT1;
/* and register the chip */
- host = NCR_700_detect(&mvme16x_scsi_driver_template, hostdata, dev);
- if (!host) {
+ if (NCR_700_detect(host, dev)) {
printk(KERN_ERR "mvme16x-scsi: No host detected; "
"board configuration problem?\n");
- goto out_free;
+ goto out_put_host;
}
host->this_id = 7;
host->base = 0xfff47000UL;
- host->irq = MVME16x_IRQ_SCSI;
- if (request_irq(host->irq, NCR_700_intr, 0, "mvme16x-scsi", host)) {
+ if (request_irq(MVME16x_IRQ_SCSI, NCR_700_intr, 0, "mvme16x-scsi",
+ host)) {
printk(KERN_ERR "mvme16x-scsi: request_irq failed\n");
goto out_put_host;
}
@@ -96,8 +95,6 @@ mvme16x_probe(struct device *dev)
out_put_host:
scsi_host_put(host);
- out_free:
- kfree(hostdata);
out:
return -ENODEV;
}
@@ -106,8 +103,8 @@ static __devexit int
mvme16x_device_remove(struct device *dev)
{
struct Scsi_Host *host = dev_get_drvdata(dev);
- struct NCR_700_Host_Parameters *hostdata = shost_priv(host);
+ scsi_remove_host(host);
/* Disable scsi chip ints */
{
volatile unsigned long v;
@@ -116,10 +113,9 @@ mvme16x_device_remove(struct device *dev)
v &= ~0x10;
out_be32(0xfff4202c, v);
}
- scsi_remove_host(host);
NCR_700_release(host);
- kfree(hostdata);
- free_irq(host->irq, host);
+ free_irq(MVME16x_IRQ_SCSI, host);
+ scsi_host_put(host);
return 0;
}
diff --git a/drivers/scsi/sim710.c b/drivers/scsi/sim710.c
index d63d229..23ef3a8 100644
--- a/drivers/scsi/sim710.c
+++ b/drivers/scsi/sim710.c
@@ -98,26 +98,27 @@ static __devinit int
sim710_probe_common(struct device *dev, unsigned long base_addr,
int irq, int clock, int differential, int scsi_id)
{
- struct Scsi_Host * host = NULL;
- struct NCR_700_Host_Parameters *hostdata =
- kzalloc(sizeof(struct NCR_700_Host_Parameters), GFP_KERNEL);
+ struct Scsi_Host *host;
+ struct NCR_700_Host_Parameters *hostdata;
printk(KERN_NOTICE "sim710: %s\n", dev->bus_id);
printk(KERN_NOTICE "sim710: irq = %d, clock = %d, base = 0x%lx, scsi_id
= %d\n",
irq, clock, base_addr, scsi_id);
- if(hostdata == NULL) {
- printk(KERN_ERR "sim710: Failed to allocate host data\n");
+ host = scsi_host_alloc(&sim710_driver_template, sizeof(*hostdata));
+ if (!host) {
+ printk(KERN_ERR "sim710: Failed to allocate host\n");
goto out;
}
+ hostdata = shost_priv(host);
if(request_region(base_addr, 64, "sim710") == NULL) {
printk(KERN_ERR "sim710: Failed to reserve IO region 0x%lx\n",
base_addr);
- goto out_free;
+ goto out_put_host;
}
- /* Fill in the three required pieces of hostdata */
+ /* Fill in the required pieces of hostdata */
hostdata->base = ioport_map(base_addr, 64);
hostdata->differential = differential;
hostdata->clock = clock;
@@ -125,8 +126,7 @@ sim710_probe_common(struct device *dev, unsigned long
base_addr,
hostdata->burst_length = 8;
/* and register the chip */
- if((host = NCR_700_detect(&sim710_driver_template, hostdata, dev))
- == NULL) {
+ if (NCR_700_detect(host, dev)) {
printk(KERN_ERR "sim710: No host detected; card configuration
problem?\n");
goto out_release;
}
@@ -135,7 +135,7 @@ sim710_probe_common(struct device *dev, unsigned long
base_addr,
host->irq = irq;
if (request_irq(irq, NCR_700_intr, IRQF_SHARED, "sim710", host)) {
printk(KERN_ERR "sim710: request_irq failed\n");
- goto out_put_host;
+ goto out_release;
}
dev_set_drvdata(dev, host);
@@ -143,12 +143,10 @@ sim710_probe_common(struct device *dev, unsigned long
base_addr,
return 0;
- out_put_host:
- scsi_host_put(host);
out_release:
release_region(base_addr, 64);
- out_free:
- kfree(hostdata);
+ out_put_host:
+ scsi_host_put(host);
out:
return -ENODEV;
}
@@ -157,14 +155,12 @@ static __devexit int
sim710_device_remove(struct device *dev)
{
struct Scsi_Host *host = dev_get_drvdata(dev);
- struct NCR_700_Host_Parameters *hostdata =
- (struct NCR_700_Host_Parameters *)host->hostdata[0];
scsi_remove_host(host);
NCR_700_release(host);
- kfree(hostdata);
free_irq(host->irq, host);
release_region(host->base, 64);
+ scsi_host_put(host);
return 0;
}
diff --git a/drivers/scsi/sni_53c710.c b/drivers/scsi/sni_53c710.c
index 0a6b45b..bd42a78 100644
--- a/drivers/scsi/sni_53c710.c
+++ b/drivers/scsi/sni_53c710.c
@@ -75,12 +75,13 @@ static int __init snirm710_probe(struct platform_device
*dev)
return -ENODEV;
base = res->start;
- hostdata = kzalloc(sizeof(*hostdata), GFP_KERNEL);
- if (!hostdata) {
- printk(KERN_ERR "%s: Failed to allocate host data\n",
+ host = scsi_host_alloc(&snirm710_template, sizeof(*hostdata));
+ if (!host) {
+ printk(KERN_ERR "%s: Failed to allocate host\n",
dev->dev.bus_id);
return -ENOMEM;
}
+ hostdata = shost_priv(host);
hostdata->dev = &dev->dev;
dma_set_mask(&dev->dev, DMA_32BIT_MASK);
@@ -92,9 +93,8 @@ static int __init snirm710_probe(struct platform_device *dev)
hostdata->chip710 = 1;
hostdata->burst_length = 4;
- host = NCR_700_detect(&snirm710_template, hostdata, &dev->dev);
- if (!host)
- goto out_kfree;
+ if (NCR_700_detect(host, &dev->dev))
+ goto out_put_host;
host->this_id = 7;
host->base = base;
host->irq = platform_get_irq(dev, 0);
@@ -109,24 +109,21 @@ static int __init snirm710_probe(struct platform_device
*dev)
return 0;
out_put_host:
- scsi_host_put(host);
- out_kfree:
iounmap(hostdata->base);
- kfree(hostdata);
+ scsi_host_put(host);
return -ENODEV;
}
static int __exit snirm710_driver_remove(struct platform_device *dev)
{
struct Scsi_Host *host = dev_get_drvdata(&dev->dev);
- struct NCR_700_Host_Parameters *hostdata =
- (struct NCR_700_Host_Parameters *)host->hostdata[0];
+ struct NCR_700_Host_Parameters *hostdata = shost_priv(host);
scsi_remove_host(host);
NCR_700_release(host);
free_irq(host->irq, host);
iounmap(hostdata->base);
- kfree(hostdata);
+ scsi_host_put(host);
return 0;
}
diff --git a/drivers/scsi/zorro7xx.c b/drivers/scsi/zorro7xx.c
index c822deb..cc99c22 100644
--- a/drivers/scsi/zorro7xx.c
+++ b/drivers/scsi/zorro7xx.c
@@ -69,7 +69,7 @@ static struct zorro_device_id zorro7xx_zorro_tbl[]
__devinitdata = {
static int __devinit zorro7xx_init_one(struct zorro_dev *z,
const struct zorro_device_id *ent)
{
- struct Scsi_Host * host = NULL;
+ struct Scsi_Host *host;
struct NCR_700_Host_Parameters *hostdata;
struct zorro_driver_data *zdd;
unsigned long board, ioaddr;
@@ -89,13 +89,13 @@ static int __devinit zorro7xx_init_one(struct zorro_dev *z,
return -EBUSY;
}
- hostdata = kmalloc(sizeof(struct NCR_700_Host_Parameters), GFP_KERNEL);
- if (hostdata == NULL) {
- printk(KERN_ERR "zorro7xx: Failed to allocate host data\n");
+ host = scsi_host_alloc(&zorro7xx_scsi_driver_template,
+ sizeof(*hostdata));
+ if (!host) {
+ printk(KERN_ERR "zorro7xx: Failed to allocate host\n");
goto out_release;
}
-
- memset(hostdata, 0, sizeof(struct NCR_700_Host_Parameters));
+ hostdata = shost_priv(host);
/* Fill in the required pieces of hostdata */
if (ioaddr > 0x01000000)
@@ -112,22 +112,19 @@ static int __devinit zorro7xx_init_one(struct zorro_dev
*z,
zorro7xx_scsi_driver_template.name = zdd->name;
/* and register the chip */
- host = NCR_700_detect(&zorro7xx_scsi_driver_template, hostdata,
- &z->dev);
- if (!host) {
+ if (NCR_700_detect(host, &z->dev)) {
printk(KERN_ERR "zorro7xx: No host detected; "
"board configuration problem?\n");
- goto out_free;
+ goto out_put_host;
}
host->this_id = 7;
host->base = ioaddr;
- host->irq = IRQ_AMIGA_PORTS;
- if (request_irq(host->irq, NCR_700_intr, IRQF_SHARED, "zorro7xx-scsi",
- host)) {
+ if (request_irq(IRQ_AMIGA_PORTS, NCR_700_intr, IRQF_SHARED,
+ "zorro7xx-scsi", host)) {
printk(KERN_ERR "zorro7xx: request_irq failed\n");
- goto out_put_host;
+ goto out_unmap;
}
zorro_set_drvdata(z, host);
@@ -135,12 +132,11 @@ static int __devinit zorro7xx_init_one(struct zorro_dev
*z,
return 0;
- out_put_host:
- scsi_host_put(host);
- out_free:
+ out_unmap:
if (ioaddr > 0x01000000)
iounmap(hostdata->base);
- kfree(hostdata);
+ out_put_host:
+ scsi_host_put(host);
out_release:
zorro_release_device(z);
@@ -150,13 +146,11 @@ static int __devinit zorro7xx_init_one(struct zorro_dev
*z,
static __devexit void zorro7xx_remove_one(struct zorro_dev *z)
{
struct Scsi_Host *host = zorro_get_drvdata(z);
- struct NCR_700_Host_Parameters *hostdata = shost_priv(host);
scsi_remove_host(host);
-
NCR_700_release(host);
- kfree(hostdata);
- free_irq(host->irq, host);
+ free_irq(IRQ_AMIGA_PORTS, host);
+ scsi_host_put(host);
zorro_release_device(z);
}
--
"Bill, look, we understand that you're interested in selling us this
operating system, but compare it to ours. We can't possibly take such
a retrograde step."
-
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