OpenE2K
/
linux
6
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

MIPS: Idle: Re-enable irqs at the end of r3081, au1k and loongson2 cpu_wait. 

Without this, the

    WARN_ON_ONCE(irqs_disabled());

in the idle loop will be triggered.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Ralf Baechle 2013-05-21 14:05:27 +02:00
parent c9b6869dbb
commit fb40bc3e94
2 changed files with 3 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/mips/kernel/idle.c
View File

@ -34,6 +34,7 @@ static void r3081_wait(void)
{
unsigned long cfg = read_c0_conf();
write_c0_conf(cfg | R30XX_CONF_HALT);
local_irq_enable();
}
static void r39xx_wait(void)
@ -109,6 +110,7 @@ static void au1k_wait(void)
" nop \n"
" .set mips0 \n"
: : "r" (au1k_wait));
local_irq_enable();
}
static int __initdata nowait;

1
drivers/cpufreq/loongson2_cpufreq.c
View File

@ -200,6 +200,7 @@ static void loongson2_cpu_wait(void)
LOONGSON_CHIPCFG0 &= ~0x7; /* Put CPU into wait mode */
LOONGSON_CHIPCFG0 = cpu_freq; /* Restore CPU state */
spin_unlock_irqrestore(&loongson2_wait_lock, flags);
local_irq_enable();
}
static int __init cpufreq_init(void)