MIPS: i8259: Convert to new irq_chip functions

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
To: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/2185/Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/include/asm/irq.h

@@ -55,8 +55,8 @@ static inline void smtc_im_ack_irq(unsigned int irq)
 #ifdef CONFIG_MIPS_MT_SMTC_IRQAFF
 #include <linux/cpumask.h>
 
-extern int plat_set_irq_affinity(unsigned int irq,
-				  const struct cpumask *affinity);
+extern int plat_set_irq_affinity(struct irq_data *d,
+				 const struct cpumask *affinity, bool force);
 extern void smtc_forward_irq(unsigned int irq);
 
 /*

arch/mips/kernel/i8259.c

@@ -31,19 +31,19 @@
 
 static int i8259A_auto_eoi = -1;
 DEFINE_RAW_SPINLOCK(i8259A_lock);
-static void disable_8259A_irq(unsigned int irq);
-static void enable_8259A_irq(unsigned int irq);
-static void mask_and_ack_8259A(unsigned int irq);
+static void disable_8259A_irq(struct irq_data *d);
+static void enable_8259A_irq(struct irq_data *d);
+static void mask_and_ack_8259A(struct irq_data *d);
 static void init_8259A(int auto_eoi);
 
 static struct irq_chip i8259A_chip = {
 	.name			= "XT-PIC",
-	.mask		= disable_8259A_irq,
-	.disable	= disable_8259A_irq,
-	.unmask		= enable_8259A_irq,
-	.mask_ack	= mask_and_ack_8259A,
+	.irq_mask		= disable_8259A_irq,
+	.irq_disable		= disable_8259A_irq,
+	.irq_unmask		= enable_8259A_irq,
+	.irq_mask_ack		= mask_and_ack_8259A,
 #ifdef CONFIG_MIPS_MT_SMTC_IRQAFF
-	.set_affinity	= plat_set_irq_affinity,
+	.irq_set_affinity	= plat_set_irq_affinity,
 #endif /* CONFIG_MIPS_MT_SMTC_IRQAFF */
 };
 
@@ -59,12 +59,11 @@ static unsigned int cached_irq_mask = 0xffff;
 #define cached_master_mask	(cached_irq_mask)
 #define cached_slave_mask	(cached_irq_mask >> 8)
 
-static void disable_8259A_irq(unsigned int irq)
+static void disable_8259A_irq(struct irq_data *d)
 {
-	unsigned int mask;
+	unsigned int mask, irq = d->irq - I8259A_IRQ_BASE;
 	unsigned long flags;
 
-	irq -= I8259A_IRQ_BASE;
 	mask = 1 << irq;
 	raw_spin_lock_irqsave(&i8259A_lock, flags);
 	cached_irq_mask |= mask;
@@ -75,12 +74,11 @@ static void disable_8259A_irq(unsigned int irq)
 	raw_spin_unlock_irqrestore(&i8259A_lock, flags);
 }
 
-static void enable_8259A_irq(unsigned int irq)
+static void enable_8259A_irq(struct irq_data *d)
 {
-	unsigned int mask;
+	unsigned int mask, irq = d->irq - I8259A_IRQ_BASE;
 	unsigned long flags;
 
-	irq -= I8259A_IRQ_BASE;
 	mask = ~(1 << irq);
 	raw_spin_lock_irqsave(&i8259A_lock, flags);
 	cached_irq_mask &= mask;
@@ -145,12 +143,11 @@ static inline int i8259A_irq_real(unsigned int irq)
  * first, _then_ send the EOI, and the order of EOI
  * to the two 8259s is important!
  */
-static void mask_and_ack_8259A(unsigned int irq)
+static void mask_and_ack_8259A(struct irq_data *d)
 {
-	unsigned int irqmask;
+	unsigned int irqmask, irq = d->irq - I8259A_IRQ_BASE;
 	unsigned long flags;
 
-	irq -= I8259A_IRQ_BASE;
 	irqmask = 1 << irq;
 	raw_spin_lock_irqsave(&i8259A_lock, flags);
 	/*
@@ -290,9 +287,9 @@ static void init_8259A(int auto_eoi)
 		 * In AEOI mode we just have to mask the interrupt
 		 * when acking.
 		 */
-		i8259A_chip.mask_ack = disable_8259A_irq;
+		i8259A_chip.irq_mask_ack = disable_8259A_irq;
 	else
-		i8259A_chip.mask_ack = mask_and_ack_8259A;
+		i8259A_chip.irq_mask_ack = mask_and_ack_8259A;
 
 	udelay(100);		/* wait for 8259A to initialize */
 

arch/mips/mti-malta/malta-smtc.c

@@ -113,7 +113,8 @@ struct plat_smp_ops msmtc_smp_ops = {
  */
 
 
-int plat_set_irq_affinity(unsigned int irq, const struct cpumask *affinity)
+int plat_set_irq_affinity(struct irq_data *d, const struct cpumask *affinity,
+			  bool force)
 {
 	cpumask_t tmask;
 	int cpu = 0;
@@ -143,7 +144,7 @@ int plat_set_irq_affinity(unsigned int irq, const struct cpumask *affinity)
 		if ((cpu_data[cpu].vpe_id != 0) || !cpu_online(cpu))
 			cpu_clear(cpu, tmask);
 	}
-	cpumask_copy(irq_desc[irq].affinity, &tmask);
+	cpumask_copy(d->affinity, &tmask);
 
 	if (cpus_empty(tmask))
 		/*
@@ -154,8 +155,8 @@ int plat_set_irq_affinity(unsigned int irq, const struct cpumask *affinity)
 			"IRQ affinity leaves no legal CPU for IRQ %d\n", irq);
 
 	/* Do any generic SMTC IRQ affinity setup */
-	smtc_set_irq_affinity(irq, tmask);
+	smtc_set_irq_affinity(d->irq, tmask);
 
-	return 0;
+	return IRQ_SET_MASK_OK_NOCOPY;
 }
 #endif /* CONFIG_MIPS_MT_SMTC_IRQAFF */