[PATCH RFC 08/14] drivers: irqchip: pdc: Add irqchip set/get state calls

[Lina Iyer]

From: Maulik Shah <mks...@codeaurora.org>

Add irqchip calls to set/get interrupt status from the parent interrupt
controller.

Signed-off-by: Maulik Shah <mks...@codeaurora.org>
---
 drivers/irqchip/qcom-pdc.c | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/drivers/irqchip/qcom-pdc.c b/drivers/irqchip/qcom-pdc.c
index bf5f98bb4d2b..ffd5f83d1023 100644
--- a/drivers/irqchip/qcom-pdc.c
+++ b/drivers/irqchip/qcom-pdc.c
@@ -5,6 +5,7 @@
 
 #include <linux/err.h>
 #include <linux/init.h>
+#include <linux/interrupt.h>
 #include <linux/irq.h>
 #include <linux/irqchip.h>
 #include <linux/irqdomain.h>
@@ -87,6 +88,24 @@ static void qcom_pdc_gic_disable(struct irq_data *d)
        irq_chip_disable_parent(d);
 }
 
+static int qcom_pdc_gic_get_irqchip_state(struct irq_data *d,
+               enum irqchip_irq_state which, bool *state)
+{
+       if (d->hwirq == GPIO_NO_WAKE_IRQ)
+               return 0;
+
+       return irq_chip_get_parent_state(d, which, state);
+}
+
+static int qcom_pdc_gic_set_irqchip_state(struct irq_data *d,
+               enum irqchip_irq_state which, bool value)
+{
+       if (d->hwirq == GPIO_NO_WAKE_IRQ)
+               return 0;
+
+       return irq_chip_set_parent_state(d, which, value);
+}
+
 static void qcom_pdc_gic_enable(struct irq_data *d)
 {
        if (d->hwirq == GPIO_NO_WAKE_IRQ)
@@ -248,6 +267,8 @@ static struct irq_chip qcom_pdc_gic_chip = {
        .irq_unmask             = qcom_pdc_gic_unmask,
        .irq_disable            = qcom_pdc_gic_disable,
        .irq_enable             = qcom_pdc_gic_enable,
+       .irq_get_irqchip_state  = qcom_pdc_gic_get_irqchip_state,
+       .irq_set_irqchip_state  = qcom_pdc_gic_set_irqchip_state,
        .irq_retrigger          = irq_chip_retrigger_hierarchy,
        .irq_set_type           = qcom_pdc_gic_set_type,
        .flags                  = IRQCHIP_MASK_ON_SUSPEND |
-- 
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