On 13/02/17 23:07, Shanker Donthineni wrote:
>
>
> On 01/17/2017 04:20 AM, Marc Zyngier wrote:
>> Add the skeleton irq_set_vcpu_affinity method that will be used
>> to configure VLPIs.
>>
>> Signed-off-by: Marc Zyngier <marc.zyngier@xxxxxxx>
>> ---
>> drivers/irqchip/irq-gic-v3-its.c | 33 +++++++++++++++++++++++++++++++++
>> 1 file changed, 33 insertions(+)
>>
>> diff --git a/drivers/irqchip/irq-gic-v3-its.c
>> b/drivers/irqchip/irq-gic-v3-its.c
>> index 0dbc8b0..1bd78ca 100644
>> --- a/drivers/irqchip/irq-gic-v3-its.c
>> +++ b/drivers/irqchip/irq-gic-v3-its.c
>> @@ -36,6 +36,7 @@
>>
>> #include <linux/irqchip.h>
>> #include <linux/irqchip/arm-gic-v3.h>
>> +#include <linux/irqchip/arm-gic-v4.h>
>>
>> #include <asm/cputype.h>
>> #include <asm/exception.h>
>> @@ -771,6 +772,37 @@ static int its_irq_set_irqchip_state(struct irq_data
>> *d,
>> return 0;
>> }
>>
>> +static int its_irq_set_vcpu_affinity(struct irq_data *d, void *vcpu_info)
>> +{
>> + struct its_device *its_dev = irq_data_get_irq_chip_data(d);
>> + struct its_cmd_info *info = vcpu_info;
>> + u32 event = its_get_event_id(d);
>> +
>> + /* Need a v4 ITS */
>> + if (!its_dev->its->is_v4 || !info)
>> + return -EINVAL;
>> +
>> + switch (info->cmd_type) {
>> + case MAP_VLPI:
>> + {
>> + return 0;
>> + }
>> +
>> + case UNMAP_VLPI:
>> + {
>> + return 0;
>> + }
>> +
>> + case PROP_UPDATE_VLPI:
>> + {
>> + return 0;
>> + }
>> +
>> + default:
>> + return -EINVAL;
>> + }
> Missing a return statement.
What's wrong with this default: statement?
M.
--
Jazz is not dead. It just smells funny...
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