aboutsummaryrefslogtreecommitdiff
path: root/arch/mips/include/asm/irqflags.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/mips/include/asm/irqflags.h')
-rw-r--r--arch/mips/include/asm/irqflags.h32
1 files changed, 3 insertions, 29 deletions
diff --git a/arch/mips/include/asm/irqflags.h b/arch/mips/include/asm/irqflags.h
index 45c00951888..0fa5fdcd1f0 100644
--- a/arch/mips/include/asm/irqflags.h
+++ b/arch/mips/include/asm/irqflags.h
@@ -17,7 +17,7 @@
#include <linux/stringify.h>
#include <asm/hazards.h>
-#if defined(CONFIG_CPU_MIPSR2) && !defined(CONFIG_MIPS_MT_SMTC)
+#ifdef CONFIG_CPU_MIPSR2
static inline void arch_local_irq_disable(void)
{
@@ -118,30 +118,15 @@ void arch_local_irq_disable(void);
unsigned long arch_local_irq_save(void);
void arch_local_irq_restore(unsigned long flags);
void __arch_local_irq_restore(unsigned long flags);
-#endif /* if defined(CONFIG_CPU_MIPSR2) && !defined(CONFIG_MIPS_MT_SMTC) */
-
-
-extern void smtc_ipi_replay(void);
+#endif /* CONFIG_CPU_MIPSR2 */
static inline void arch_local_irq_enable(void)
{
-#ifdef CONFIG_MIPS_MT_SMTC
- /*
- * SMTC kernel needs to do a software replay of queued
- * IPIs, at the cost of call overhead on each local_irq_enable()
- */
- smtc_ipi_replay();
-#endif
__asm__ __volatile__(
" .set push \n"
" .set reorder \n"
" .set noat \n"
-#ifdef CONFIG_MIPS_MT_SMTC
- " mfc0 $1, $2, 1 # SMTC - clear TCStatus.IXMT \n"
- " ori $1, 0x400 \n"
- " xori $1, 0x400 \n"
- " mtc0 $1, $2, 1 \n"
-#elif defined(CONFIG_CPU_MIPSR2)
+#if defined(CONFIG_CPU_MIPSR2)
" ei \n"
#else
" mfc0 $1,$12 \n"
@@ -163,11 +148,7 @@ static inline unsigned long arch_local_save_flags(void)
asm __volatile__(
" .set push \n"
" .set reorder \n"
-#ifdef CONFIG_MIPS_MT_SMTC
- " mfc0 %[flags], $2, 1 \n"
-#else
" mfc0 %[flags], $12 \n"
-#endif
" .set pop \n"
: [flags] "=r" (flags));
@@ -177,14 +158,7 @@ static inline unsigned long arch_local_save_flags(void)
static inline int arch_irqs_disabled_flags(unsigned long flags)
{
-#ifdef CONFIG_MIPS_MT_SMTC
- /*
- * SMTC model uses TCStatus.IXMT to disable interrupts for a thread/CPU
- */
- return flags & 0x400;
-#else
return !(flags & 1);
-#endif
}
#endif /* #ifndef __ASSEMBLY__ */