diff options
Diffstat (limited to 'arch/arc/include/asm/irqflags-compact.h')
| -rw-r--r-- | arch/arc/include/asm/irqflags-compact.h | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/arch/arc/include/asm/irqflags-compact.h b/arch/arc/include/asm/irqflags-compact.h index 4c6eed80cd8b..85c2f6bcde0c 100644 --- a/arch/arc/include/asm/irqflags-compact.h +++ b/arch/arc/include/asm/irqflags-compact.h @@ -1,10 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2014-15 Synopsys, Inc. (www.synopsys.com) * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef __ASM_IRQFLAGS_ARCOMPACT_H @@ -43,20 +40,22 @@ #define ISA_INIT_STATUS_BITS STATUS_IE_MASK -#define ISA_SLEEP_ARG 0x3 - -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ /****************************************************************** * IRQ Control Macros * * All of them have "memory" clobber (compiler barrier) which is needed to - * ensure that LD/ST requiring irq safetly (R-M-W when LLSC is not available) + * ensure that LD/ST requiring irq safety (R-M-W when LLSC is not available) * are redone after IRQs are re-enabled (and gcc doesn't reuse stale register) * * Noted at the time of Abilis Timer List corruption - * Orig Bug + Rejected solution : https://lkml.org/lkml/2013/3/29/67 - * Reasoning : https://lkml.org/lkml/2013/4/8/15 + * + * Orig Bug + Rejected solution: + * https://lore.kernel.org/lkml/1364553218-31255-1-git-send-email-vgupta@synopsys.com + * + * Reasoning: + * https://lore.kernel.org/lkml/CA+55aFyFWjpSVQM6M266tKrG_ZXJzZ-nYejpmXYQXbrr42mGPQ@mail.gmail.com * ******************************************************************/ @@ -95,6 +94,9 @@ static inline void arch_local_irq_restore(unsigned long flags) /* * Unconditionally Enable IRQs */ +#ifdef CONFIG_ARC_COMPACT_IRQ_LEVELS +extern void arch_local_irq_enable(void); +#else static inline void arch_local_irq_enable(void) { unsigned long temp; @@ -107,7 +109,7 @@ static inline void arch_local_irq_enable(void) : "n"((STATUS_E1_MASK | STATUS_E2_MASK)) : "cc", "memory"); } - +#endif /* * Unconditionally Disable IRQs @@ -194,6 +196,6 @@ static inline int arch_irqs_disabled(void) flag \scratch .endm -#endif /* __ASSEMBLY__ */ +#endif /* __ASSEMBLER__ */ #endif |