diff options
Diffstat (limited to 'arch/arc')
-rw-r--r-- | arch/arc/kernel/irq.c | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/arch/arc/kernel/irq.c b/arch/arc/kernel/irq.c index 835fa5e71b62..02ffc764c97a 100644 --- a/arch/arc/kernel/irq.c +++ b/arch/arc/kernel/irq.c | |||
@@ -19,21 +19,16 @@ | |||
19 | 19 | ||
20 | /* | 20 | /* |
21 | * Early Hardware specific Interrupt setup | 21 | * Early Hardware specific Interrupt setup |
22 | * -Platform independent, needed for each CPU (not foldable into init_IRQ) | ||
22 | * -Called very early (start_kernel -> setup_arch -> setup_processor) | 23 | * -Called very early (start_kernel -> setup_arch -> setup_processor) |
23 | * -Platform Independent (must for any ARC700) | ||
24 | * -Needed for each CPU (hence not foldable into init_IRQ) | ||
25 | * | 24 | * |
26 | * what it does ? | 25 | * what it does ? |
27 | * -Disable all IRQs (on CPU side) | ||
28 | * -Optionally, setup the High priority Interrupts as Level 2 IRQs | 26 | * -Optionally, setup the High priority Interrupts as Level 2 IRQs |
29 | */ | 27 | */ |
30 | void arc_init_IRQ(void) | 28 | void arc_init_IRQ(void) |
31 | { | 29 | { |
32 | int level_mask = 0; | 30 | int level_mask = 0; |
33 | 31 | ||
34 | /* Disable all IRQs: enable them as devices request */ | ||
35 | write_aux_reg(AUX_IENABLE, 0); | ||
36 | |||
37 | /* setup any high priority Interrupts (Level2 in ARCompact jargon) */ | 32 | /* setup any high priority Interrupts (Level2 in ARCompact jargon) */ |
38 | level_mask |= IS_ENABLED(CONFIG_ARC_IRQ3_LV2) << 3; | 33 | level_mask |= IS_ENABLED(CONFIG_ARC_IRQ3_LV2) << 3; |
39 | level_mask |= IS_ENABLED(CONFIG_ARC_IRQ5_LV2) << 5; | 34 | level_mask |= IS_ENABLED(CONFIG_ARC_IRQ5_LV2) << 5; |