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-rw-r--r--arch/sparc/kernel/leon_pmc.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/sparc/kernel/leon_pmc.c b/arch/sparc/kernel/leon_pmc.c
index bdf53d9a8d46..b0b3967a2dd2 100644
--- a/arch/sparc/kernel/leon_pmc.c
+++ b/arch/sparc/kernel/leon_pmc.c
@@ -47,6 +47,10 @@ void pmc_leon_idle_fixup(void)
47 * MMU does not get a TLB miss here by using the MMU BYPASS ASI. 47 * MMU does not get a TLB miss here by using the MMU BYPASS ASI.
48 */ 48 */
49 register unsigned int address = (unsigned int)leon3_irqctrl_regs; 49 register unsigned int address = (unsigned int)leon3_irqctrl_regs;
50
51 /* Interrupts need to be enabled to not hang the CPU */
52 local_irq_enable();
53
50 __asm__ __volatile__ ( 54 __asm__ __volatile__ (
51 "wr %%g0, %%asr19\n" 55 "wr %%g0, %%asr19\n"
52 "lda [%0] %1, %%g0\n" 56 "lda [%0] %1, %%g0\n"
@@ -60,6 +64,9 @@ void pmc_leon_idle_fixup(void)
60 */ 64 */
61void pmc_leon_idle(void) 65void pmc_leon_idle(void)
62{ 66{
67 /* Interrupts need to be enabled to not hang the CPU */
68 local_irq_enable();
69
63 /* For systems without power-down, this will be no-op */ 70 /* For systems without power-down, this will be no-op */
64 __asm__ __volatile__ ("wr %g0, %asr19\n\t"); 71 __asm__ __volatile__ ("wr %g0, %asr19\n\t");
65} 72}