mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-11-25 09:00:54 +07:00
a3b73c96b4
Use module_platform_driver() to eliminate boilerplate code. Link: https://lore.kernel.org/r/20200914065403.3726462-1-liushixin2@huawei.com Signed-off-by: Liu Shixin <liushixin2@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
128 lines
2.9 KiB
C
128 lines
2.9 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
|
|
/* -*- mode: c; c-basic-offset: 8 -*- */
|
|
|
|
/* SNI RM driver
|
|
*
|
|
* Copyright (C) 2001 by James.Bottomley@HansenPartnership.com
|
|
**-----------------------------------------------------------------------------
|
|
**
|
|
**
|
|
**-----------------------------------------------------------------------------
|
|
*/
|
|
|
|
/*
|
|
* Based on lasi700.c
|
|
*/
|
|
|
|
#include <linux/kernel.h>
|
|
#include <linux/module.h>
|
|
#include <linux/init.h>
|
|
#include <linux/types.h>
|
|
#include <linux/slab.h>
|
|
#include <linux/stat.h>
|
|
#include <linux/mm.h>
|
|
#include <linux/blkdev.h>
|
|
#include <linux/sched.h>
|
|
#include <linux/ioport.h>
|
|
#include <linux/dma-mapping.h>
|
|
#include <linux/platform_device.h>
|
|
|
|
#include <asm/page.h>
|
|
#include <asm/irq.h>
|
|
#include <asm/delay.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("Thomas Bogendörfer");
|
|
MODULE_DESCRIPTION("SNI RM 53c710 SCSI Driver");
|
|
MODULE_LICENSE("GPL");
|
|
MODULE_ALIAS("platform:snirm_53c710");
|
|
|
|
#define SNIRM710_CLOCK 32
|
|
|
|
static struct scsi_host_template snirm710_template = {
|
|
.name = "SNI RM SCSI 53c710",
|
|
.proc_name = "snirm_53c710",
|
|
.this_id = 7,
|
|
.module = THIS_MODULE,
|
|
};
|
|
|
|
static int snirm710_probe(struct platform_device *dev)
|
|
{
|
|
unsigned long base;
|
|
struct NCR_700_Host_Parameters *hostdata;
|
|
struct Scsi_Host *host;
|
|
struct resource *res;
|
|
|
|
res = platform_get_resource(dev, IORESOURCE_MEM, 0);
|
|
if (!res)
|
|
return -ENODEV;
|
|
|
|
base = res->start;
|
|
hostdata = kzalloc(sizeof(*hostdata), GFP_KERNEL);
|
|
if (!hostdata)
|
|
return -ENOMEM;
|
|
|
|
hostdata->dev = &dev->dev;
|
|
dma_set_mask(&dev->dev, DMA_BIT_MASK(32));
|
|
hostdata->base = ioremap(base, 0x100);
|
|
hostdata->differential = 0;
|
|
|
|
hostdata->clock = SNIRM710_CLOCK;
|
|
hostdata->force_le_on_be = 1;
|
|
hostdata->chip710 = 1;
|
|
hostdata->burst_length = 4;
|
|
|
|
host = NCR_700_detect(&snirm710_template, hostdata, &dev->dev);
|
|
if (!host)
|
|
goto out_kfree;
|
|
host->this_id = 7;
|
|
host->base = base;
|
|
host->irq = platform_get_irq(dev, 0);
|
|
if(request_irq(host->irq, NCR_700_intr, IRQF_SHARED, "snirm710", host)) {
|
|
printk(KERN_ERR "snirm710: request_irq failed!\n");
|
|
goto out_put_host;
|
|
}
|
|
|
|
dev_set_drvdata(&dev->dev, host);
|
|
scsi_scan_host(host);
|
|
|
|
return 0;
|
|
|
|
out_put_host:
|
|
scsi_host_put(host);
|
|
out_kfree:
|
|
iounmap(hostdata->base);
|
|
kfree(hostdata);
|
|
return -ENODEV;
|
|
}
|
|
|
|
static int 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];
|
|
|
|
scsi_remove_host(host);
|
|
NCR_700_release(host);
|
|
free_irq(host->irq, host);
|
|
iounmap(hostdata->base);
|
|
kfree(hostdata);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct platform_driver snirm710_driver = {
|
|
.probe = snirm710_probe,
|
|
.remove = snirm710_driver_remove,
|
|
.driver = {
|
|
.name = "snirm_53c710",
|
|
},
|
|
};
|
|
module_platform_driver(snirm710_driver);
|