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File: [Development] / linux-2.6-xfs / drivers / scsi / mvme16x_scsi.c (download)

Revision 1.1, Wed Sep 12 17:09:56 2007 UTC (10 years, 1 month ago) by tes.longdrop.melbourne.sgi.com
Branch: MAIN

Update 2.6.x-xfs to 2.6.23-rc4.

Also update fs/xfs with external mainline changes.
There were 12 such missing commits that I detected:

--------
commit ad690ef9e690f6c31f7d310b09ef1314bcec9033
Author: Al Viro <viro@ftp.linux.org.uk>
    xfs ioctl __user annotations

commit 20c2df83d25c6a95affe6157a4c9cac4cf5ffaac
Author: Paul Mundt <lethal@linux-sh.org>
    mm: Remove slab destructors from kmem_cache_create().

commit d0217ac04ca6591841e5665f518e38064f4e65bd
Author: Nick Piggin <npiggin@suse.de>
    mm: fault feedback #1

commit 54cb8821de07f2ffcd28c380ce9b93d5784b40d7
Author: Nick Piggin <npiggin@suse.de>
    mm: merge populate and nopage into fault (fixes nonlinear)

commit d00806b183152af6d24f46f0c33f14162ca1262a
Author: Nick Piggin <npiggin@suse.de>
    mm: fix fault vs invalidate race for linear mappings

commit a569425512253992cc64ebf8b6d00a62f986db3e
Author: Christoph Hellwig <hch@infradead.org>
    knfsd: exportfs: add exportfs.h header

commit 831441862956fffa17b9801db37e6ea1650b0f69
Author: Rafael J. Wysocki <rjw@sisk.pl>
    Freezer: make kernel threads nonfreezable by default

commit 8e1f936b73150f5095448a0fee6d4f30a1f9001d
Author: Rusty Russell <rusty@rustcorp.com.au>
    mm: clean up and kernelify shrinker registration

commit 5ffc4ef45b3b0a57872f631b4e4ceb8ace0d7496
Author: Jens Axboe <jens.axboe@oracle.com>
    sendfile: remove .sendfile from filesystems that use generic_file_sendfile()

commit 8bb7844286fb8c9fce6f65d8288aeb09d03a5e0d
Author: Rafael J. Wysocki <rjw@sisk.pl>
    Add suspend-related notifications for CPU hotplug

commit 59c51591a0ac7568824f541f57de967e88adaa07
Author: Michael Opdenacker <michael@free-electrons.com>
    Fix occurrences of "the the "

commit 0ceb331433e8aad9c5f441a965d7c681f8b9046f
Author: Dmitriy Monakhov <dmonakhov@openvz.org>
    mm: move common segment checks to separate helper function
--------
Merge of 2.6.x-xfs-melb:linux:29656b by kenmcd.

/*
 * Detection routine for the NCR53c710 based MVME16x SCSI Controllers for Linux.
 *
 * Based on work by Alan Hourihane
 *
 * Rewritten to use 53c700.c by Kars de Jong <jongk@linux-m68k.org>
 */

#include <linux/module.h>
#include <linux/blkdev.h>
#include <linux/device.h>
#include <linux/platform_device.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <asm/mvme16xhw.h>
#include <scsi/scsi_host.h>
#include <scsi/scsi_device.h>
#include <scsi/scsi_transport.h>
#include <scsi/scsi_transport_spi.h>

#include "53c700.h"

MODULE_AUTHOR("Kars de Jong <jongk@linux-m68k.org>");
MODULE_DESCRIPTION("MVME16x NCR53C710 driver");
MODULE_LICENSE("GPL");

static struct scsi_host_template mvme16x_scsi_driver_template = {
	.name			= "MVME16x NCR53c710 SCSI",
	.proc_name		= "MVME16x",
	.this_id		= 7,
	.module			= THIS_MODULE,
};

static struct platform_device *mvme16x_scsi_device;

static __devinit int
mvme16x_probe(struct device *dev)
{
	struct Scsi_Host * host = NULL;
	struct NCR_700_Host_Parameters *hostdata;

	if (!MACH_IS_MVME16x)
		goto out;

	if (mvme16x_config & MVME16x_CONFIG_NO_SCSICHIP) {
		printk(KERN_INFO "mvme16x-scsi: detection disabled, "
				 "SCSI chip not present\n");
		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");
		goto out;
	}
	memset(hostdata, 0, sizeof(struct NCR_700_Host_Parameters));

	/* Fill in the required pieces of hostdata */
	hostdata->base = (void __iomem *)0xfff47000UL;
	hostdata->clock = 50;	/* XXX - depends on the CPU clock! */
	hostdata->chip710 = 1;
	hostdata->dmode_extra = DMODE_FC2;
	hostdata->dcntl_extra = EA_710;
	hostdata->ctest7_extra = CTEST7_TT1;

	/* and register the chip */
	host = NCR_700_detect(&mvme16x_scsi_driver_template, hostdata, dev);
	if (!host) {
		printk(KERN_ERR "mvme16x-scsi: No host detected; "
				"board configuration problem?\n");
		goto out_free;
	}
	host->this_id = 7;
	host->base = 0xfff47000UL;
	host->irq = MVME16x_IRQ_SCSI;
	if (request_irq(host->irq, NCR_700_intr, 0, "mvme16x-scsi", host)) {
		printk(KERN_ERR "mvme16x-scsi: request_irq failed\n");
		goto out_put_host;
	}

	/* Enable scsi chip ints */
	{
		volatile unsigned long v;

		/* Enable scsi interrupts at level 4 in PCCchip2 */
		v = in_be32(0xfff4202c);
		v = (v & ~0xff) | 0x10 | 4;
		out_be32(0xfff4202c, v);
	}

	dev_set_drvdata(dev, host);
	scsi_scan_host(host);

	return 0;

 out_put_host:
	scsi_host_put(host);
 out_free:
	kfree(hostdata);
 out:
	return -ENODEV;
}

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);

	/* Disable scsi chip ints */
	{
		volatile unsigned long v;

		v = in_be32(0xfff4202c);
		v &= ~0x10;
		out_be32(0xfff4202c, v);
	}
	scsi_remove_host(host);
	NCR_700_release(host);
	kfree(hostdata);
	free_irq(host->irq, host);

	return 0;
}

static struct device_driver mvme16x_scsi_driver = {
	.name	= "mvme16x-scsi",
	.bus	= &platform_bus_type,
	.probe	= mvme16x_probe,
	.remove	= __devexit_p(mvme16x_device_remove),
};

static int __init mvme16x_scsi_init(void)
{
	int err;

	err = driver_register(&mvme16x_scsi_driver);
	if (err)
		return err;

	mvme16x_scsi_device = platform_device_register_simple("mvme16x-scsi",
							      -1, NULL, 0);
	if (IS_ERR(mvme16x_scsi_device)) {
		driver_unregister(&mvme16x_scsi_driver);
		return PTR_ERR(mvme16x_scsi_device);
	}

	return 0;
}

static void __exit mvme16x_scsi_exit(void)
{
	platform_device_unregister(mvme16x_scsi_device);
	driver_unregister(&mvme16x_scsi_driver);
}

module_init(mvme16x_scsi_init);
module_exit(mvme16x_scsi_exit);