1 /*
2 * Copyright (C) 2021 HiSilicon (Shanghai) Technologies CO., LIMITED.
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation; either version 2
7 * of the License, or (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
17 */
18
19 #include "hi_osal.h"
20 #include <linux/module.h>
21 #include <linux/kernel.h>
22 #include <linux/printk.h>
23 #include <linux/interrupt.h>
24
osal_request_irq(unsigned int irq,osal_irq_handler_t handler,osal_irq_handler_t thread_fn,const char * name,void * dev)25 int osal_request_irq(unsigned int irq, osal_irq_handler_t handler, osal_irq_handler_t thread_fn, const char *name,
26 void *dev)
27 {
28 unsigned long flags = IRQF_SHARED;
29
30 return request_threaded_irq(irq, (irq_handler_t)handler, (irq_handler_t)thread_fn, flags, name, dev);
31 }
32 EXPORT_SYMBOL(osal_request_irq);
osal_free_irq(unsigned int irq,void * dev)33 void osal_free_irq(unsigned int irq, void *dev)
34 {
35 free_irq(irq, dev);
36 }
37 EXPORT_SYMBOL(osal_free_irq);
38
osal_in_interrupt(void)39 int osal_in_interrupt(void)
40 {
41 return in_interrupt();
42 }
43 EXPORT_SYMBOL(osal_in_interrupt);
44