usb: gadget: f_mtp: Avoid race between mtp_read and mtp_function_disable
[GitHub/exynos8895/android_kernel_samsung_universal8895.git] / arch / arm64 / include / asm / hardirq.h
1 /*
2 * Copyright (C) 2012 ARM Ltd.
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 as
6 * published by the Free Software Foundation.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License
14 * along with this program. If not, see <http://www.gnu.org/licenses/>.
15 */
16 #ifndef __ASM_HARDIRQ_H
17 #define __ASM_HARDIRQ_H
18
19 #include <linux/cache.h>
20 #include <linux/threads.h>
21 #include <asm/irq.h>
22
23 #define NR_IPI 7
24
25 typedef struct {
26 unsigned int __softirq_pending;
27 unsigned int ipi_irqs[NR_IPI];
28 } ____cacheline_aligned irq_cpustat_t;
29
30 #include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */
31
32 #define __inc_irq_stat(cpu, member) __IRQ_STAT(cpu, member)++
33 #define __get_irq_stat(cpu, member) __IRQ_STAT(cpu, member)
34
35 u64 smp_irq_stat_cpu(unsigned int cpu);
36 #define arch_irq_stat_cpu smp_irq_stat_cpu
37
38 #define __ARCH_IRQ_EXIT_IRQS_DISABLED 1
39
40 static inline void ack_bad_irq(unsigned int irq)
41 {
42 extern unsigned long irq_err_count;
43 irq_err_count++;
44 }
45
46 #endif /* __ASM_HARDIRQ_H */