cregit-Linux how code gets into the kernel

Release 4.11 drivers/scsi/bvme6000_scsi.c

Directory: drivers/scsi
/*
 * Detection routine for the NCR53c710 based BVME6000 SCSI Controllers for Linux.
 *
 * Based on work by Alan Hourihane and Kars de Jong
 *
 * Rewritten to use 53c700.c by Richard Hirst <richard@sleepie.demon.co.uk>
 */

#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 <linux/slab.h>
#include <asm/bvme6000hw.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("Richard Hirst <richard@sleepie.demon.co.uk>");
MODULE_DESCRIPTION("BVME6000 NCR53C710 driver");
MODULE_LICENSE("GPL");


static struct scsi_host_template bvme6000_scsi_driver_template = {
	.name			= "BVME6000 NCR53c710 SCSI",
	.proc_name		= "BVME6000",
	.this_id		= 7,
	.module			= THIS_MODULE,
};


static struct platform_device *bvme6000_scsi_device;


static int bvme6000_probe(struct platform_device *dev) { struct Scsi_Host *host; struct NCR_700_Host_Parameters *hostdata; if (!MACH_IS_BVME6000) goto out; hostdata = kzalloc(sizeof(struct NCR_700_Host_Parameters), GFP_KERNEL); if (!hostdata) { printk(KERN_ERR "bvme6000-scsi: " "Failed to allocate host data\n"); goto out; } /* Fill in the required pieces of hostdata */ hostdata->base = (void __iomem *)BVME_NCR53C710_BASE; hostdata->clock = 40; /* 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(&bvme6000_scsi_driver_template, hostdata, &dev->dev); if (!host) { printk(KERN_ERR "bvme6000-scsi: No host detected; " "board configuration problem?\n"); goto out_free; } 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"); goto out_put_host; } platform_set_drvdata(dev, host); scsi_scan_host(host); return 0; out_put_host: scsi_host_put(host); out_free: kfree(hostdata); out: return -ENODEV; }

Contributors

PersonTokensPropCommitsCommitProp
Kars de Jong20193.93%120.00%
Matthew Wilcox62.80%120.00%
Geert Uytterhoeven31.40%120.00%
Mariusz Kozlowski20.93%120.00%
Lei Ming20.93%120.00%
Total214100.00%5100.00%


static int bvme6000_device_remove(struct platform_device *dev) { struct Scsi_Host *host = platform_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); return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Kars de Jong5696.55%150.00%
Lei Ming23.45%150.00%
Total58100.00%2100.00%

static struct platform_driver bvme6000_scsi_driver = { .driver = { .name = "bvme6000-scsi", }, .probe = bvme6000_probe, .remove = bvme6000_device_remove, };
static int __init bvme6000_scsi_init(void) { int err; err = platform_driver_register(&bvme6000_scsi_driver); if (err) return err; bvme6000_scsi_device = platform_device_register_simple("bvme6000-scsi", -1, NULL, 0); if (IS_ERR(bvme6000_scsi_device)) { platform_driver_unregister(&bvme6000_scsi_driver); return PTR_ERR(bvme6000_scsi_device); } return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Kars de Jong6396.92%150.00%
Lei Ming23.08%150.00%
Total65100.00%2100.00%


static void __exit bvme6000_scsi_exit(void) { platform_device_unregister(bvme6000_scsi_device); platform_driver_unregister(&bvme6000_scsi_driver); }

Contributors

PersonTokensPropCommitsCommitProp
Kars de Jong1995.00%150.00%
Lei Ming15.00%150.00%
Total20100.00%2100.00%

module_init(bvme6000_scsi_init); module_exit(bvme6000_scsi_exit);

Overall Contributors

PersonTokensPropCommitsCommitProp
Kars de Jong45594.40%116.67%
Lei Ming132.70%116.67%
Matthew Wilcox61.24%116.67%
Tejun Heo30.62%116.67%
Geert Uytterhoeven30.62%116.67%
Mariusz Kozlowski20.41%116.67%
Total482100.00%6100.00%
Directory: drivers/scsi
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