| Vineet Gupta | ac4c244 | 2013-01-18 15:12:16 +0530 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2011-12 Synopsys, Inc. (www.synopsys.com) |
| 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 | */ |
| 9 | |
| 10 | #include <linux/interrupt.h> |
| 11 | #include <linux/module.h> |
| 12 | #include <asm/irqflags.h> |
| 13 | #include <asm/arcregs.h> |
| 14 | |
| 15 | void arch_local_irq_enable(void) |
| 16 | { |
| 17 | unsigned long flags; |
| 18 | |
| 19 | /* |
| 20 | * ARC IDE Drivers tries to re-enable interrupts from hard-isr |
| 21 | * context which is simply wrong |
| 22 | */ |
| 23 | if (in_irq()) { |
| 24 | WARN_ONCE(1, "IRQ enabled from hard-isr"); |
| 25 | return; |
| 26 | } |
| 27 | |
| 28 | flags = arch_local_save_flags(); |
| 29 | flags |= (STATUS_E1_MASK | STATUS_E2_MASK); |
| 30 | arch_local_irq_restore(flags); |
| 31 | } |
| 32 | EXPORT_SYMBOL(arch_local_irq_enable); |