[PATCH V5 3/4] ARM: OMAP4+: Correct Wakeup-gen code to use physical irq number

[Sricharan R]

The wakeup gen mask/unmask callback uses the irq element of the
irq_data to setup. The irq is the linux virtual irq number and
is same as the hardware irq number only when the parent irqchip
is setup as a legacy domain. When it is used as a linear domain,
the virtual irqs are allocated dynamically and wakeup gen code
cannot rely on these numbers to access the irq registers. Instead
use the hwirq element of the irq_data which represent the physical
irq number.

Cc: Santosh Shilimkar <santosh.shilimkar@xxxxxx>
Cc: Rajendra Nayak <rnayak@xxxxxx>
Cc: Tony Lindgren <tony@xxxxxxxxxxx>
Signed-off-by: Sricharan R <r.sricharan@xxxxxx>
Acked-by: Santosh Shilimkar <santosh.shilimkar@xxxxxx>
Acked-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
---
 arch/arm/mach-omap2/omap-wakeupgen.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/mach-omap2/omap-wakeupgen.c b/arch/arm/mach-omap2/omap-wakeupgen.c
index 3664562..693fe48 100644
--- a/arch/arm/mach-omap2/omap-wakeupgen.c
+++ b/arch/arm/mach-omap2/omap-wakeupgen.c
@@ -138,7 +138,7 @@ static void wakeupgen_mask(struct irq_data *d)
 	unsigned long flags;
 
 	raw_spin_lock_irqsave(&wakeupgen_lock, flags);
-	_wakeupgen_clear(d->irq, irq_target_cpu[d->irq]);
+	_wakeupgen_clear(d->hwirq, irq_target_cpu[d->hwirq]);
 	raw_spin_unlock_irqrestore(&wakeupgen_lock, flags);
 }
 
@@ -150,7 +150,7 @@ static void wakeupgen_unmask(struct irq_data *d)
 	unsigned long flags;
 
 	raw_spin_lock_irqsave(&wakeupgen_lock, flags);
-	_wakeupgen_set(d->irq, irq_target_cpu[d->irq]);
+	_wakeupgen_set(d->hwirq, irq_target_cpu[d->hwirq]);
 	raw_spin_unlock_irqrestore(&wakeupgen_lock, flags);
 }
 
-- 
1.7.9.5

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