irqchip/gic-v3: Use IRQD_FORWARDED_TO_VCPU flag

Get rid of the handler_data abuse.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Marc Zyngier <marc.zyngier@arm.com>

diff --git a/drivers/irqchip/irq-gic-v3.c b/drivers/irqchip/irq-gic-v3.c
index 7deed6ef54c2eaf048538e46ecbcb3ec6d5ff91c..b5418f57ddc296d0e0c4f5d89d7b8a2ad42c1eaf 100644 (file)
--- a/drivers/irqchip/irq-gic-v3.c
+++ b/drivers/irqchip/irq-gic-v3.c
@@ -70,11 +70,6 @@ static inline int gic_irq_in_rdist(struct irq_data *d)
        return gic_irq(d) < 32;
 }
 
-static inline bool forwarded_irq(struct irq_data *d)
-{
-       return d->handler_data != NULL;
-}
-
 static inline void __iomem *gic_dist_base(struct irq_data *d)
 {
        if (gic_irq_in_rdist(d))        /* SGI+PPI -> SGI_base for this CPU */
@@ -249,7 +244,7 @@ static void gic_eoimode1_mask_irq(struct irq_data *d)
         * disabled/masked will not get "stuck", because there is
         * noone to deactivate it (guest is being terminated).
         */
-       if (forwarded_irq(d))
+       if (irqd_is_forwarded_to_vcpu(d))
                gic_poke_irq(d, GICD_ICACTIVER);
 }
 
@@ -324,7 +319,7 @@ static void gic_eoimode1_eoi_irq(struct irq_data *d)
         * No need to deactivate an LPI, or an interrupt that
         * is is getting forwarded to a vcpu.
         */
-       if (gic_irq(d) >= 8192 || forwarded_irq(d))
+       if (gic_irq(d) >= 8192 || irqd_is_forwarded_to_vcpu(d))
                return;
        gic_write_dir(gic_irq(d));
 }
@@ -357,7 +352,10 @@ static int gic_set_type(struct irq_data *d, unsigned int type)
 
 static int gic_irq_set_vcpu_affinity(struct irq_data *d, void *vcpu)
 {
-       d->handler_data = vcpu;
+       if (vcpu)
+               irqd_set_forwarded_to_vcpu(d);
+       else
+               irqd_clr_forwarded_to_vcpu(d);
        return 0;
 }