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Commit 0c4ea957 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-ip22 

* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-ip22:
  Convert SGI IP22 and specific drivers to platform_device.
parents f2c60ed0 df9f5408

arch/mips/sgi-ip22/Makefile

+1 −1
Original line number Diff line number Diff line
@@ -4,6 +4,6 @@ 
#



obj-y	+= ip22-mc.o ip22-hpc.o ip22-int.o ip22-berr.o \

	   ip22-time.o ip22-nvram.o ip22-reset.o ip22-setup.o

	   ip22-time.o ip22-nvram.o ip22-platform.o ip22-reset.o ip22-setup.o



obj-$(CONFIG_EISA)	+= ip22-eisa.o

arch/mips/sgi-ip22/ip22-platform.c

0 → 100644
+177 −0
Original line number Diff line number Diff line 
#include <linux/init.h>

#include <linux/if_ether.h>

#include <linux/kernel.h>

#include <linux/platform_device.h>



#include <asm/paccess.h>

#include <asm/sgi/ip22.h>

#include <asm/sgi/hpc3.h>

#include <asm/sgi/mc.h>

#include <asm/sgi/seeq.h>

#include <asm/sgi/wd.h>



static struct resource sgiwd93_0_resources[] = {

	{

		.name	= "eth0 irq",

		.start	= SGI_WD93_0_IRQ,

		.end	= SGI_WD93_0_IRQ,

		.flags	= IORESOURCE_IRQ

	}

};



static struct sgiwd93_platform_data sgiwd93_0_pd = {

	.unit	= 0,

	.irq	= SGI_WD93_0_IRQ,

};



static struct platform_device sgiwd93_0_device = {

	.name		= "sgiwd93",

	.id		= 0,

	.num_resources	= ARRAY_SIZE(sgiwd93_0_resources),

	.resource	= sgiwd93_0_resources,

	.dev = {

		.platform_data = &sgiwd93_0_pd,

	},

};



static struct resource sgiwd93_1_resources[] = {

	{

		.name	= "eth0 irq",

		.start	= SGI_WD93_1_IRQ,

		.end	= SGI_WD93_1_IRQ,

		.flags	= IORESOURCE_IRQ

	}

};



static struct sgiwd93_platform_data sgiwd93_1_pd = {

	.unit	= 1,

	.irq	= SGI_WD93_1_IRQ,

};



static struct platform_device sgiwd93_1_device = {

	.name		= "sgiwd93",

	.id		= 1,

	.num_resources	= ARRAY_SIZE(sgiwd93_1_resources),

	.resource	= sgiwd93_1_resources,

	.dev = {

		.platform_data = &sgiwd93_1_pd,

	},

};



/*

 * Create a platform device for the GPI port that receives the

 * image data from the embedded camera.

 */

static int __init sgiwd93_devinit(void)

{

	int res;



	sgiwd93_0_pd.hregs	= &hpc3c0->scsi_chan0;

	sgiwd93_0_pd.wdregs	= (unsigned char *) hpc3c0->scsi0_ext;



	res = platform_device_register(&sgiwd93_0_device);

	if (res)

		return res;



	if (!ip22_is_fullhouse())

		return 0;



	sgiwd93_1_pd.hregs	= &hpc3c0->scsi_chan1;

	sgiwd93_1_pd.wdregs	= (unsigned char *) hpc3c0->scsi1_ext;



	return platform_device_register(&sgiwd93_1_device);

}



device_initcall(sgiwd93_devinit);



static struct resource sgiseeq_0_resources[] = {

	{

		.name	= "eth0 irq",

		.start	= SGI_ENET_IRQ,

		.end	= SGI_ENET_IRQ,

		.flags	= IORESOURCE_IRQ

	}

};



static struct sgiseeq_platform_data eth0_pd;



static struct platform_device eth0_device = {

	.name		= "sgiseeq",

	.id		= 0,

	.num_resources	= ARRAY_SIZE(sgiseeq_0_resources),

	.resource	= sgiseeq_0_resources,

	.dev = {

		.platform_data = &eth0_pd,

	},

};



static struct resource sgiseeq_1_resources[] = {

	{

		.name	= "eth1 irq",

		.start	= SGI_GIO_0_IRQ,

		.end	= SGI_GIO_0_IRQ,

		.flags	= IORESOURCE_IRQ

	}

};



static struct sgiseeq_platform_data eth1_pd;



static struct platform_device eth1_device = {

	.name		= "sgiseeq",

	.id		= 1,

	.num_resources	= ARRAY_SIZE(sgiseeq_1_resources),

	.resource	= sgiseeq_1_resources,

	.dev = {

		.platform_data = &eth1_pd,

	},

};



/*

 * Create a platform device for the GPI port that receives the

 * image data from the embedded camera.

 */

static int __init sgiseeq_devinit(void)

{

	unsigned int tmp;

	int res, i;



	eth0_pd.hpc = hpc3c0;

	eth0_pd.irq = SGI_ENET_IRQ;

#define EADDR_NVOFS     250

	for (i = 0; i < 3; i++) {

		unsigned short tmp = ip22_nvram_read(EADDR_NVOFS / 2 + i);



		eth0_pd.mac[2 * i]     = tmp >> 8;

		eth0_pd.mac[2 * i + 1] = tmp & 0xff;

	}



	res = platform_device_register(&eth0_device);

	if (res)

		return res;



	/* Second HPC is missing? */

	if (ip22_is_fullhouse() ||

	    !get_dbe(tmp, (unsigned int *)&hpc3c1->pbdma[1]))

		return 0;



	sgimc->giopar |= SGIMC_GIOPAR_MASTEREXP1 | SGIMC_GIOPAR_EXP164 |

	                 SGIMC_GIOPAR_HPC264;

	hpc3c1->pbus_piocfg[0][0] = 0x3ffff;

	/* interrupt/config register on Challenge S Mezz board */

	hpc3c1->pbus_extregs[0][0] = 0x30;



	eth1_pd.hpc = hpc3c1;

	eth1_pd.irq = SGI_GIO_0_IRQ;

#define EADDR_NVOFS     250

	for (i = 0; i < 3; i++) {

		unsigned short tmp = ip22_eeprom_read(&hpc3c1->eeprom,

		                                      EADDR_NVOFS / 2 + i);



		eth1_pd.mac[2 * i]     = tmp >> 8;

		eth1_pd.mac[2 * i + 1] = tmp & 0xff;

	}



	return platform_device_register(&eth1_device);

}



device_initcall(sgiseeq_devinit);

drivers/net/sgiseeq.c

+37 −46
Original line number Diff line number Diff line
@@ -16,11 +16,13 @@ 
#include <linux/string.h>

#include <linux/delay.h>

#include <linux/netdevice.h>

#include <linux/platform_device.h>

#include <linux/etherdevice.h>

#include <linux/skbuff.h>



#include <asm/sgi/hpc3.h>

#include <asm/sgi/ip22.h>

#include <asm/sgi/seeq.h>



#include "sgiseeq.h"
@@ -92,13 +94,9 @@ struct sgiseeq_private { 


	struct net_device_stats stats;



	struct net_device *next_module;

	spinlock_t tx_lock;

};



/* A list of all installed seeq devices, for removing the driver module. */

static struct net_device *root_sgiseeq_dev;



static inline void hpc3_eth_reset(struct hpc3_ethregs *hregs)

{

	hregs->reset = HPC3_ERST_CRESET | HPC3_ERST_CLRIRQ;
@@ -624,9 +622,12 @@ static inline void setup_rx_ring(struct sgiseeq_rx_desc *buf, int nbufs) 


#define ALIGNED(x)  ((((unsigned long)(x)) + 0xf) & ~(0xf))



static int sgiseeq_init(struct hpc3_regs* hpcregs, int irq, int has_eeprom)

static int __init sgiseeq_probe(struct platform_device *pdev)

{

	struct sgiseeq_platform_data *pd = pdev->dev.platform_data;

	struct hpc3_regs *hpcregs = pd->hpc;

	struct sgiseeq_init_block *sr;

	unsigned int irq = pd->irq;

	struct sgiseeq_private *sp;

	struct net_device *dev;

	int err, i;
@@ -637,6 +638,8 @@ static int sgiseeq_init(struct hpc3_regs* hpcregs, int irq, int has_eeprom) 
		err = -ENOMEM;

		goto err_out;

	}



	platform_set_drvdata(pdev, dev);

	sp = netdev_priv(dev);



	/* Make private data page aligned */
@@ -648,15 +651,7 @@ static int sgiseeq_init(struct hpc3_regs* hpcregs, int irq, int has_eeprom) 
	}

	sp->srings = sr;



#define EADDR_NVOFS     250

	for (i = 0; i < 3; i++) {

		unsigned short tmp = has_eeprom ?

			ip22_eeprom_read(&hpcregs->eeprom, EADDR_NVOFS / 2+i) :

			ip22_nvram_read(EADDR_NVOFS / 2+i);



		dev->dev_addr[2 * i]     = tmp >> 8;

		dev->dev_addr[2 * i + 1] = tmp & 0xff;

	}

	memcpy(dev->dev_addr, pd->mac, ETH_ALEN);



#ifdef DEBUG

	gpriv = sp;
@@ -720,9 +715,6 @@ static int sgiseeq_init(struct hpc3_regs* hpcregs, int irq, int has_eeprom) 
	for (i = 0; i < 6; i++)

		printk("%2.2x%c", dev->dev_addr[i], i == 5 ? '\n' : ':');



	sp->next_module = root_sgiseeq_dev;

	root_sgiseeq_dev = dev;



	return 0;



err_out_free_page:
@@ -734,43 +726,42 @@ static int sgiseeq_init(struct hpc3_regs* hpcregs, int irq, int has_eeprom) 
	return err;

}



static int __init sgiseeq_probe(void)

static void __exit sgiseeq_remove(struct platform_device *pdev)

{

	unsigned int tmp, ret1, ret2 = 0;

	struct net_device *dev = platform_get_drvdata(pdev);

	struct sgiseeq_private *sp = netdev_priv(dev);



	/* On board adapter on 1st HPC is always present */

	ret1 = sgiseeq_init(hpc3c0, SGI_ENET_IRQ, 0);

	/* Let's see if second HPC is there */

	if (!(ip22_is_fullhouse()) &&

	    get_dbe(tmp, (unsigned int *)&hpc3c1->pbdma[1]) == 0) {

		sgimc->giopar |= SGIMC_GIOPAR_MASTEREXP1 |

				 SGIMC_GIOPAR_EXP164 |

				 SGIMC_GIOPAR_HPC264;

		hpc3c1->pbus_piocfg[0][0] = 0x3ffff;

		/* interrupt/config register on Challenge S Mezz board */

		hpc3c1->pbus_extregs[0][0] = 0x30;

		ret2 = sgiseeq_init(hpc3c1, SGI_GIO_0_IRQ, 1);

	unregister_netdev(dev);

	free_page((unsigned long) sp->srings);

	free_netdev(dev);

	platform_set_drvdata(pdev, NULL);

}



	return (ret1 & ret2) ? ret1 : 0;

static struct platform_driver sgiseeq_driver = {

	.probe	= sgiseeq_probe,

	.remove	= __devexit_p(sgiseeq_remove),

	.driver = {

		.name	= "sgiseeq"

	}

};



static void __exit sgiseeq_exit(void)

static int __init sgiseeq_module_init(void)

{

	struct net_device *next, *dev;

	struct sgiseeq_private *sp;

	if (platform_driver_register(&sgiseeq_driver)) {

		printk(KERN_ERR "Driver registration failed\n");

		return -ENODEV;

	}



	for (dev = root_sgiseeq_dev; dev; dev = next) {

		sp = (struct sgiseeq_private *) netdev_priv(dev);

		next = sp->next_module;

		unregister_netdev(dev);

		free_page((unsigned long) sp->srings);

		free_netdev(dev);

	return 0;

}



static void __exit sgiseeq_module_exit(void)

{

	platform_driver_unregister(&sgiseeq_driver);

}



module_init(sgiseeq_probe);

module_exit(sgiseeq_exit);

module_init(sgiseeq_module_init);

module_exit(sgiseeq_module_exit);



MODULE_DESCRIPTION("SGI Seeq 8003 driver");

MODULE_AUTHOR("Linux/MIPS Mailing List <linux-mips@linux-mips.org>");

drivers/scsi/sgiwd93.c

+120 −144
Original line number Diff line number Diff line
@@ -6,43 +6,31 @@ 
 * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)

 * Copyright (C) 1999 Andrew R. Baker (andrewb@uab.edu)

 * Copyright (C) 2001 Florian Lohoff (flo@rfc822.org)

 * Copyright (C) 2003 Ralf Baechle (ralf@linux-mips.org)

 * Copyright (C) 2003, 07 Ralf Baechle (ralf@linux-mips.org)

 * 

 * (In all truth, Jed Schimmel wrote all this code.)

 */

#include <linux/init.h>

#include <linux/interrupt.h>

#include <linux/types.h>

#include <linux/mm.h>

#include <linux/blkdev.h>



#undef DEBUG



#include <linux/delay.h>

#include <linux/dma-mapping.h>

#include <linux/gfp.h>

#include <linux/interrupt.h>

#include <linux/init.h>

#include <linux/kernel.h>

#include <linux/types.h>

#include <linux/module.h>

#include <linux/platform_device.h>

#include <linux/spinlock.h>



#include <asm/page.h>

#include <asm/pgtable.h>

#include <asm/sgialib.h>

#include <asm/sgi/sgi.h>

#include <asm/sgi/mc.h>

#include <asm/sgi/hpc3.h>

#include <asm/sgi/ip22.h>

#include <asm/irq.h>

#include <asm/io.h>

#include <asm/sgi/wd.h>



#include "scsi.h"

#include <scsi/scsi_host.h>

#include "wd33c93.h"



#include <linux/stat.h>



#if 0

#define DPRINTK(args...)	printk(args)

#else

#define DPRINTK(args...)

#endif



#define HDATA(ptr) ((struct ip22_hostdata *)((ptr)->hostdata))



struct ip22_hostdata {

	struct WD33C93_hostdata wh;

	struct hpc_data {
@@ -51,42 +39,16 @@ struct ip22_hostdata { 
	} hd;

};



#define host_to_hostdata(host) ((struct ip22_hostdata *)((host)->hostdata))



struct hpc_chunk {

	struct hpc_dma_desc desc;

	u32 _padding;	/* align to quadword boundary */

};



struct Scsi_Host *sgiwd93_host;

struct Scsi_Host *sgiwd93_host1;



/* Wuff wuff, wuff, wd33c93.c, wuff wuff, object oriented, bow wow. */

static inline void write_wd33c93_count(const wd33c93_regs regs,

                                      unsigned long value)

{

	*regs.SASR = WD_TRANSFER_COUNT_MSB;

	mb();

	*regs.SCMD = ((value >> 16) & 0xff);

	*regs.SCMD = ((value >>  8) & 0xff);

	*regs.SCMD = ((value >>  0) & 0xff);

	mb();

}



static inline unsigned long read_wd33c93_count(const wd33c93_regs regs)

{

	unsigned long value;



	*regs.SASR = WD_TRANSFER_COUNT_MSB;

	mb();

	value =  ((*regs.SCMD & 0xff) << 16);

	value |= ((*regs.SCMD & 0xff) <<  8);

	value |= ((*regs.SCMD & 0xff) <<  0);

	mb();

	return value;

}



static irqreturn_t sgiwd93_intr(int irq, void *dev_id)

{

	struct Scsi_Host * host = (struct Scsi_Host *) dev_id;

	struct Scsi_Host * host = dev_id;

	unsigned long flags;



	spin_lock_irqsave(host->host_lock, flags);
@@ -131,12 +93,12 @@ void fill_hpc_entries(struct hpc_chunk *hcp, struct scsi_cmnd *cmd, int datainp) 


static int dma_setup(struct scsi_cmnd *cmd, int datainp)

{

	struct ip22_hostdata *hdata = HDATA(cmd->device->host);

	struct ip22_hostdata *hdata = host_to_hostdata(cmd->device->host);

	struct hpc3_scsiregs *hregs =

		(struct hpc3_scsiregs *) cmd->device->host->base;

	struct hpc_chunk *hcp = (struct hpc_chunk *) hdata->hd.cpu;



	DPRINTK("dma_setup: datainp<%d> hcp<%p> ", datainp, hcp);

	pr_debug("dma_setup: datainp<%d> hcp<%p> ", datainp, hcp);



	hdata->wh.dma_dir = datainp;
@@ -151,7 +113,7 @@ static int dma_setup(struct scsi_cmnd *cmd, int datainp) 


	fill_hpc_entries(hcp, cmd, datainp);



	DPRINTK(" HPCGO\n");

	pr_debug(" HPCGO\n");



	/* Start up the HPC. */

	hregs->ndptr = hdata->hd.dma;
@@ -166,7 +128,7 @@ static int dma_setup(struct scsi_cmnd *cmd, int datainp) 
static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt,

		     int status)

{

	struct ip22_hostdata *hdata = HDATA(instance);

	struct ip22_hostdata *hdata = host_to_hostdata(instance);

	struct hpc3_scsiregs *hregs;



	if (!SCpnt)
@@ -174,7 +136,7 @@ static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt, 


	hregs = (struct hpc3_scsiregs *) SCpnt->device->host->base;



	DPRINTK("dma_stop: status<%d> ", status);

	pr_debug("dma_stop: status<%d> ", status);



	/* First stop the HPC and flush it's FIFO. */

	if (hdata->wh.dma_dir) {
@@ -186,7 +148,7 @@ static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt, 
	dma_unmap_single(NULL, SCpnt->SCp.dma_handle, SCpnt->SCp.this_residual,

	                 SCpnt->sc_data_direction);



	DPRINTK("\n");

	pr_debug("\n");

}



void sgiwd93_reset(unsigned long base)
@@ -216,29 +178,71 @@ static inline void init_hpc_chain(struct hpc_data *hd) 
	hcp->desc.pnext = hd->dma;

}



static struct Scsi_Host * __init sgiwd93_setup_scsi(

	struct scsi_host_template *SGIblows, int unit, int irq,

	struct hpc3_scsiregs *hregs, unsigned char *wdregs)

static int sgiwd93_bus_reset(struct scsi_cmnd *cmd)

{

	/* FIXME perform bus-specific reset */



	/* FIXME 2: kill this function, and let midlayer fallback

	   to the same result, calling wd33c93_host_reset() */



	spin_lock_irq(cmd->device->host->host_lock);

	wd33c93_host_reset(cmd);

	spin_unlock_irq(cmd->device->host->host_lock);



	return SUCCESS;

}



/*

 * Kludge alert - the SCSI code calls the abort and reset method with int

 * arguments not with pointers.  So this is going to blow up beautyfully

 * on 64-bit systems with memory outside the compat address spaces.

 */

static struct scsi_host_template sgiwd93_template = {

	.module			= THIS_MODULE,

	.proc_name		= "SGIWD93",

	.name			= "SGI WD93",

	.queuecommand		= wd33c93_queuecommand,

	.eh_abort_handler	= wd33c93_abort,

	.eh_bus_reset_handler	= sgiwd93_bus_reset,

	.eh_host_reset_handler	= wd33c93_host_reset,

	.can_queue		= 16,

	.this_id		= 7,

	.sg_tablesize		= SG_ALL,

	.cmd_per_lun		= 8,

	.use_clustering		= DISABLE_CLUSTERING,

};



static int __init sgiwd93_probe(struct platform_device *pdev)

{

	struct sgiwd93_platform_data *pd = pdev->dev.platform_data;

	unsigned char *wdregs = pd->wdregs;

	struct hpc3_scsiregs *hregs = pd->hregs;

	struct ip22_hostdata *hdata;

	struct Scsi_Host *host;

	wd33c93_regs regs;



	host = scsi_register(SGIblows, sizeof(struct ip22_hostdata));

	if (!host)

		return NULL;

	unsigned int unit = pd->unit;

	unsigned int irq = pd->irq;

	int err;



	host = scsi_host_alloc(&sgiwd93_template, sizeof(struct ip22_hostdata));

	if (!host) {

		err = -ENOMEM;

		goto out;

	}



	host->base = (unsigned long) hregs;

	host->irq = irq;



	hdata = HDATA(host);

	hdata->hd.cpu = dma_alloc_coherent(NULL, PAGE_SIZE, &hdata->hd.dma,

	                                   GFP_KERNEL);

	hdata = host_to_hostdata(host);

	hdata->hd.cpu = dma_alloc_coherent(&pdev->dev, PAGE_SIZE,

	                                   &hdata->hd.dma, GFP_KERNEL);

	if (!hdata->hd.cpu) {

		printk(KERN_WARNING "sgiwd93: Could not allocate memory for "

		       "host %d buffer.\n", unit);

		goto out_unregister;

		err = -ENOMEM;

		goto out_put;

	}



	init_hpc_chain(&hdata->hd);



	regs.SASR = wdregs + 3;
@@ -249,95 +253,67 @@ static struct Scsi_Host * __init sgiwd93_setup_scsi( 
	if (hdata->wh.no_sync == 0xff)

		hdata->wh.no_sync = 0;



	if (request_irq(irq, sgiwd93_intr, 0, "SGI WD93", (void *) host)) {

	err = request_irq(irq, sgiwd93_intr, 0, "SGI WD93", host);

	if (err) {

		printk(KERN_WARNING "sgiwd93: Could not register irq %d "

		       "for host %d.\n", irq, unit);

		goto out_free;

	}

	return host;



	platform_set_drvdata(pdev, host);



	err = scsi_add_host(host, NULL);

	if (err)

		goto out_irq;



	scsi_scan_host(host);



	return 0;



out_irq:

	free_irq(irq, host);

out_free:

	dma_free_coherent(NULL, PAGE_SIZE, hdata->hd.cpu, hdata->hd.dma);

	wd33c93_release();



out_unregister:

	scsi_unregister(host);

out_put:

	scsi_host_put(host);

out:



	return NULL;

	return err;

}



static int __init sgiwd93_detect(struct scsi_host_template *SGIblows)

static void __exit sgiwd93_remove(struct platform_device *pdev)

{

	int found = 0;



	SGIblows->proc_name = "SGIWD93";

	sgiwd93_host = sgiwd93_setup_scsi(SGIblows, 0, SGI_WD93_0_IRQ,

	                                  &hpc3c0->scsi_chan0,

	                                  (unsigned char *)hpc3c0->scsi0_ext);

	if (sgiwd93_host)

		found++;



	/* Set up second controller on the Indigo2 */

	if (ip22_is_fullhouse()) {

		sgiwd93_host1 = sgiwd93_setup_scsi(SGIblows, 1, SGI_WD93_1_IRQ,

		                          &hpc3c0->scsi_chan1,

		                          (unsigned char *)hpc3c0->scsi1_ext);

		if (sgiwd93_host1)

			found++;

	struct Scsi_Host *host = platform_get_drvdata(pdev);

	struct ip22_hostdata *hdata = (struct ip22_hostdata *) host->hostdata;

	struct sgiwd93_platform_data *pd = pdev->dev.platform_data;



	scsi_remove_host(host);

	free_irq(pd->irq, host);

	dma_free_coherent(&pdev->dev, PAGE_SIZE, hdata->hd.cpu, hdata->hd.dma);

	scsi_host_put(host);

}



	return found;

static struct platform_driver sgiwd93_driver = {

	.probe  = sgiwd93_probe,

	.remove = __devexit_p(sgiwd93_remove),

	.driver = {

		.name   = "sgiwd93"

	}

};



static int sgiwd93_release(struct Scsi_Host *instance)

static int __init sgiwd93_module_init(void)

{

	struct ip22_hostdata *hdata = HDATA(instance);

	int irq = 0;



	if (sgiwd93_host && sgiwd93_host == instance)

		irq = SGI_WD93_0_IRQ;

	else if (sgiwd93_host1 && sgiwd93_host1 == instance)

		irq = SGI_WD93_1_IRQ;



	free_irq(irq, sgiwd93_intr);

	dma_free_coherent(NULL, PAGE_SIZE, hdata->hd.cpu, hdata->hd.dma);

	wd33c93_release();



	return 1;

	return platform_driver_register(&sgiwd93_driver);

}



static int sgiwd93_bus_reset(struct scsi_cmnd *cmd)

static void __exit sgiwd93_module_exit(void)

{

	/* FIXME perform bus-specific reset */



	/* FIXME 2: kill this function, and let midlayer fallback

	   to the same result, calling wd33c93_host_reset() */



	spin_lock_irq(cmd->device->host->host_lock);

	wd33c93_host_reset(cmd);

	spin_unlock_irq(cmd->device->host->host_lock);



	return SUCCESS;

	return platform_driver_unregister(&sgiwd93_driver);

}



/*

 * Kludge alert - the SCSI code calls the abort and reset method with int

 * arguments not with pointers.  So this is going to blow up beautyfully

 * on 64-bit systems with memory outside the compat address spaces.

 */

static struct scsi_host_template driver_template = {

	.proc_name		= "SGIWD93",

	.name			= "SGI WD93",

	.detect			= sgiwd93_detect,

	.release		= sgiwd93_release,

	.queuecommand		= wd33c93_queuecommand,

	.eh_abort_handler	= wd33c93_abort,

	.eh_bus_reset_handler	= sgiwd93_bus_reset,

	.eh_host_reset_handler	= wd33c93_host_reset,

	.can_queue		= 16,

	.this_id		= 7,

	.sg_tablesize		= SG_ALL,

	.cmd_per_lun		= 8,

	.use_clustering		= DISABLE_CLUSTERING,

};

#include "scsi_module.c"
 
module_init(sgiwd93_module_init);

module_exit(sgiwd93_module_exit);



MODULE_DESCRIPTION("SGI WD33C93 driver");

MODULE_AUTHOR("Ralf Baechle <ralf@linux-mips.org>");

MODULE_LICENSE("GPL");

include/asm-mips/sgi/seeq.h

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/*

 * This file is subject to the terms and conditions of the GNU General Public

 * License.  See the file "COPYING" in the main directory of this archive

 * for more details.

 *

 * Copyright (C) 2007 by Ralf Baechle

 */

#ifndef __ASM_SGI_SEEQ_H

#define __ASM_SGI_SEEQ_H



#include <linux/if_ether.h>



#include <asm/sgi/hpc3.h>



struct sgiseeq_platform_data {

	struct hpc3_regs *hpc;

	unsigned int irq;

	unsigned char mac[ETH_ALEN];

};



#endif /* __ASM_SGI_SEEQ_H */