diff options
Diffstat (limited to 'arch/metag/include/asm/cmpxchg_irq.h')
-rw-r--r-- | arch/metag/include/asm/cmpxchg_irq.h | 43 |
1 files changed, 0 insertions, 43 deletions
diff --git a/arch/metag/include/asm/cmpxchg_irq.h b/arch/metag/include/asm/cmpxchg_irq.h deleted file mode 100644 index 5255e37f8496..000000000000 --- a/arch/metag/include/asm/cmpxchg_irq.h +++ /dev/null @@ -1,43 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef __ASM_METAG_CMPXCHG_IRQ_H -#define __ASM_METAG_CMPXCHG_IRQ_H - -#include <linux/irqflags.h> - -static inline unsigned long xchg_u32(volatile u32 *m, unsigned long val) -{ - unsigned long flags, retval; - - local_irq_save(flags); - retval = *m; - *m = val; - local_irq_restore(flags); - return retval; -} - -static inline unsigned long xchg_u8(volatile u8 *m, unsigned long val) -{ - unsigned long flags, retval; - - local_irq_save(flags); - retval = *m; - *m = val & 0xff; - local_irq_restore(flags); - return retval; -} - -static inline unsigned long __cmpxchg_u32(volatile int *m, unsigned long old, - unsigned long new) -{ - __u32 retval; - unsigned long flags; - - local_irq_save(flags); - retval = *m; - if (retval == old) - *m = new; - local_irq_restore(flags); /* implies memory barrier */ - return retval; -} - -#endif /* __ASM_METAG_CMPXCHG_IRQ_H */ |