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1// SPDX-License-Identifier: GPL-2.0-only2/*3 * linux/drivers/misc/xillybus_of.c4 *5 * Copyright 2011 Xillybus Ltd, http://xillybus.com6 *7 * Driver for the Xillybus FPGA/host framework using Open Firmware.8 */9 10#include <linux/module.h>11#include <linux/device.h>12#include <linux/slab.h>13#include <linux/platform_device.h>14#include <linux/of.h>15#include <linux/err.h>16#include "xillybus.h"17 18MODULE_DESCRIPTION("Xillybus driver for Open Firmware");19MODULE_AUTHOR("Eli Billauer, Xillybus Ltd.");20MODULE_ALIAS("xillybus_of");21MODULE_LICENSE("GPL v2");22 23static const char xillyname[] = "xillybus_of";24 25/* Match table for of_platform binding */26static const struct of_device_id xillybus_of_match[] = {27 { .compatible = "xillybus,xillybus-1.00.a", },28 { .compatible = "xlnx,xillybus-1.00.a", }, /* Deprecated */29 {}30};31 32MODULE_DEVICE_TABLE(of, xillybus_of_match);33 34static int xilly_drv_probe(struct platform_device *op)35{36 struct device *dev = &op->dev;37 struct xilly_endpoint *endpoint;38 int rc;39 int irq;40 41 endpoint = xillybus_init_endpoint(dev);42 43 if (!endpoint)44 return -ENOMEM;45 46 dev_set_drvdata(dev, endpoint);47 48 endpoint->owner = THIS_MODULE;49 50 endpoint->registers = devm_platform_ioremap_resource(op, 0);51 if (IS_ERR(endpoint->registers))52 return PTR_ERR(endpoint->registers);53 54 irq = platform_get_irq(op, 0);55 56 rc = devm_request_irq(dev, irq, xillybus_isr, 0, xillyname, endpoint);57 58 if (rc) {59 dev_err(endpoint->dev,60 "Failed to register IRQ handler. Aborting.\n");61 return -ENODEV;62 }63 64 return xillybus_endpoint_discovery(endpoint);65}66 67static void xilly_drv_remove(struct platform_device *op)68{69 struct device *dev = &op->dev;70 struct xilly_endpoint *endpoint = dev_get_drvdata(dev);71 72 xillybus_endpoint_remove(endpoint);73}74 75static struct platform_driver xillybus_platform_driver = {76 .probe = xilly_drv_probe,77 .remove_new = xilly_drv_remove,78 .driver = {79 .name = xillyname,80 .of_match_table = xillybus_of_match,81 },82};83 84module_platform_driver(xillybus_platform_driver);85